分析済みURL
https://resend.com
AI-Readyスコア
71
/ C
普通
/ 100
トークン削減量
HTMLトークン
174.629
Markdownトークン
1876
削減率
99%
スコア内訳
セマンティックHTML
52/100
コンテンツ効率
48/100
AI発見可能性
77/100
構造化データ
100/100
アクセシビリティ
94/100
新興プロトコル
3件中1件検出AIエージェントが探すwell-knownエンドポイント。検出されればエージェントが自動的にあなたのサービスを発見・接続できます。
-
OAuth Discovery RFC 8414
/.well-known/oauth-authorization-server -
MCP Server Card Anthropic
/.well-known/mcp.json- name: Resend
- 12 tool(s)
-
A2A Agent Card Google
/.well-known/agent.json
ページに<article>または<main>要素がありません。これらのセマンティックコンテナはAIエージェントがメインコンテンツ領域を特定し、ナビゲーション、サイドバー、フッターを無視するのに役立ちます。
実装方法
ページのメインコンテンツの周りに<main>要素を追加し、ブログ投稿や製品説明などの独立したコンテンツブロックには<article>を使用してください。
ページの実際のコンテンツとHTML全体の比率が低いです。ページ重量の多くがコンテンツではなくマークアップ、スクリプト、スタイルです。
実装方法
CSSを外部スタイルシートに移動し、インラインスタイルを削除し、JavaScriptを最小化し、HTMLがコンテンツ構造に集中するようにしてください。
多くの要素にインラインスタイル属性があります。これらはAIエージェントがコンテンツを抽出する際のノイズになります。
実装方法
すべてのインラインスタイルをスタイルシートのCSSクラスに移動してください。多くの固有スタイルが必要な場合はTailwindなどのユーティリティCSSフレームワークを使用してください。
サイトがMarkdown for Agentsに対応していません。このCloudflare標準により、AIエージェントがmarkdown形式でコンテンツをリクエストでき、トークン使用量を約80%削減できます。
実装方法
以下の1つ以上を実装してください：(1) Accept: text/markdownにmarkdownコンテンツで応答。(2) .md URL（例：/page.md）を提供。(3) <link rel="alternate" type="text/markdown">タグを追加。(4) markdown検出用のLink HTTPヘッダーを追加。
{\n res.setHeader('Vary', 'Accept');\n res.setHeader('Link', '; rel=\"alternate\"; type=\"text/markdown\"');\n if ((req.headers.accept || '').includes('text/markdown')) {\n res.type('text/markdown; charset=utf-8');\n return res.send(renderMarkdown('page'));\n }\n res.render('page');\n});"},{"id":"fastify","label":"Fastify","language":"javascript","filename":"server.js","code":"// Mechanisms 1 + 4: content negotiation + Link header\nfastify.get('/page', async (req, reply) => {\n reply.header('Vary', 'Accept');\n reply.header('Link', '; rel=\"alternate\"; type=\"text/markdown\"');\n if ((req.headers.accept || '').includes('text/markdown')) {\n return reply.type('text/markdown; charset=utf-8').send(renderMarkdown('page'));\n }\n return reply.view('/page.ejs');\n});"},{"id":"nextjs","label":"Next.js","language":"typescript","filename":"app/page/route.ts","code":"// Next.js App Router — Route Handler returning Markdown\nimport { NextRequest } from 'next/server';\nimport { renderMarkdown } from '@/lib/md';\nexport async function GET(req: NextRequest) {\n const accept = req.headers.get('accept') || '';\n if (accept.includes('text/markdown')) {\n return new Response(await renderMarkdown('page'), {\n headers: {\n 'Content-Type': 'text/markdown; charset=utf-8',\n 'Vary': 'Accept',\n },\n });\n }\n // Fall through to the page component\n return new Response(null, { status: 404 });\n}"},{"id":"wordpress","label":"WordPress","language":"php","filename":"functions.php","code":"post_content));\n exit;\n});"},{"id":"static","label":"Hugo / Jekyll / Astro","language":"txt","filename":"static/page.md","code":"# Mechanism 2: serve .md alongside .html\n# Hugo: place page.md in /static/ — built unchanged\n# Jekyll: drop page.md in /assets/ — copied as-is\n# Astro: src/pages/page.md.ts that exports a GET returning markdown\n\n# Then advertise with mechanism 3 in :\n# "}] }'>
ページが<div>要素に大きく依存しています。<section>、<nav>、<header>、<footer>、<aside>などのセマンティック要素はAIエージェントに意味のある構造を提供します。
実装方法
汎用的な<div>コンテナを適切なセマンティック要素に置き換えてください。テーマ別グループには<section>、ナビゲーションには<nav>、ページ/セクションのヘッダーとフッターには<header>/<footer>を使用してください。
見出し構造に問題があります（レベルの飛ばしや複数のh1タグ）。クリーンな階層はAIエージェントがコンテンツ構成を理解するのに役立ちます。
実装方法
ページごとに正確に1つの<h1>を持ち、見出しが順番に従うようにしてください：h1 > h2 > h3。レベルを飛ばさないでください（例：h1から直接h3）。
 ## Email for developers The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.  Companies of all sizes trust Resend to deliver their most important emails. ## Integrate A simple, elegant interface so you can start sending emails in minutes. It fits right into your code with SDKs for your favorite programming languages. ## First-class developer experience We are a team of engineers who love building tools for other engineers. Our goal is to create the email platform we've always wished we had — one that *just works*. ## Test mode Simulate events and experiment with our API without the risk of accidentally sending real emails to real people. [Learn more](https://resend.com/docs/dashboard/emails/send-test-emails) ## Modular webhooks Receive real-time notifications directly to your server. Every time an email is delivered, opened, bounces, or a link is clicked. [Learn more](https://resend.com/docs/dashboard/webhooks/introduction) ## Write using a delightful editor A modern editor that makes it easy for anyone to write, format, and send emails. Visually build your email and change the design by adding custom styles. Styles Weekly Acme Newsletter a day ago Test Send [email protected] To Newsletter Subscribers SubjectWeekly Newsletter  ## Go beyond editing Group and control your contacts in a simple and intuitive way. Straightforward analytics and reporting tools that will help you send better emails. ## Contact management Import your list in minutes, regardless the size of your audience. Get full visibility of each contact and their personal attributes. [Learn more](https://resend.com/features/audiences) ## Broadcast analytics Unlock powerful insights and understand exactly how your audience is interacting with your broadcast emails. [Learn more](https://resend.com/features/broadcasts) ## Develop emails using React Create beautiful templates without having to deal with <table> layouts and HTML. Powered by react-email, our open source component library. 1import { Body, Button, Column, Container, Head, Heading, Hr, Html, Img, Link, Preview, Row, Section, Text, Tailwind } from 'react-email'; 2import \* as React from 'react'; 3 4const WelcomeEmail \= ({ 5 username \= 'Steve', 6 company \= 'ACME', 7}: WelcomeEmailProps) \=> { 8 const previewText \= \`Welcome to ${company}, ${username}!\`; 9 10 return ( 11 <Html\> 12 <Head /> 13 <Preview\>{previewText}</Preview\> 14 <Tailwind\> 15 <Body className\="bg-white my-auto mx-auto font-sans"\> 16 <Container className\="my-10 mx-auto p-5 w-\[465px\]"\> 17 <Section className\="mt-8"\> 18 <Img 19 src\={\`${baseUrl}/static/example-logo.png\`} 20 width\="80" 21 height\="80" 22 alt\="Logo Example" 23 className\="my-0 mx-auto" 24 /> 25 </Section\> 26 <Heading className\="text-2xl font-normal text-center p-0 my-8 mx-0"\> 27 Welcome to <strong\>{company}</strong\>, {username}! 28 </Heading\> 29 <Text className\="text-sm"\> 30 Hello {username}, 31 </Text\> 32 <Text className\="text-sm"\> 33 We're excited to have you onboard at <strong\>{company}</strong\>. We hope you enjoy your journey with us. If you have any questions or need assistance, feel free to reach out. 34 </Text\> 35 <Section className\="text-center mt-\[32px\] mb-\[32px\]"\> 36 <Button 37 pX\={20} 38 pY\={12} 39 className\="bg-\[#00A3FF\] rounded-sm text-white text-xs font-semibold no-underline text-center" 40 href\={\`${baseUrl}/get-started\`} 41 \> 42 Get Started 43 </Button\> 44 </Section\> 45 <Text className\="text-sm"\> 46 Cheers, 47 <br/> 48 The {company} Team 49 </Text\> 50 </Container\> 51 </Body\> 52 </Tailwind\> 53 </Html\> 54 ); 55}; 56 57interface WelcomeEmailProps { 58 username?: string; 59 company?: string; 60} 61 62const baseUrl \= process.env.URL 63 ? \`https://${process.env.URL}\` 64 : ''; 65 66export default WelcomeEmail;  ## Welcome to **ACME**, user! Hello Steve, We're excited to have you onboard at **ACME**. We hope you enjoy your journey with us. If you have any questions or need assistance, feel free to reach out. Cheers, The ACME Team ## Reach humans, not spam folders #### Proactive blocklist tracking Be the first to know if your domain is added to a such as those offered by with removal requests generated by Resend. #### Faster time to inbox Send emails from the region closest to your users. Reduce delivery latency with North American, South American, European, and Asian regions. #### Build confidence with BIMI Showcase your logo and company branding with . Receive guidance to obtain a \- the email equivalent of a checkmark on social media. #### Managed dedicated IPs Get a fully managed dedicated IP that automatically warms up and autoscales based on your sending volume, no waiting period. #### Dynamic suppression list Prevent repeated sending to recipients who no longer want your email and comply with standards like the and others. #### IP and domain monitoring Monitor your DNS configuration for any errors or regressions. Be notified of any changes that could hinder your deliverability. #### Verify DNS records Protect your reputation by verifying your identity as a legitimate sender. Secure your email communication using and . #### Battle-tested infrastructure Rely on a platform of reputable IP's used by trustworthy senders with distributed workloads across different IP pools. #### Prevent spoofing with DMARC Avoid impersonation by creating policies and instructing inbox providers on how to treat unauthenticated email.  > Resend is transforming email for developers. Simple interface, easy integrations, handy templates. What else could we ask for. Guillermo Rauch CEO at Vercel [Send with Next.js](https://resend.com/docs/send-with-nextjs) ## Everything in your control All the features you need to manage your email sending, troubleshoot with detailed logs, and protect your domain reputation – without the friction.  ## Beyond expectations Resend is driving remarkable developer experiences that enable success stories, empower businesses, and fuel growth across industries and individuals. ## Email reimagined. Available today.
Resend · Email for developers
[](https://resend.com/home)
Open main menu
[](https://resend.com/home)
- Features
- Company
- Resources
- Help
- Docs
- AI
- [Pricing](https://resend.com/pricing)
[Log in](https://resend.com/login)[Get started](https://resend.com/signup)
[Announcing Resend Forward](https://resend.com/forward)
# Email for
developers
The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.
[Get started](https://resend.com/signup)[Documentation](https://resend.com/docs)
Companies of all sizes trust Resend to deliver their most important emails.
## Integrate
A simple, elegant interface so you can start sending emails in minutes. It fits right into your code with SDKs for your favorite programming languages.
Node.js
Serverless
Ruby
Python
PHP
CLI
Go
Rust
Java
Elixir
.NET
REST
SMTP
Node.js
Next.jsRemixNuxtExpressHonoRedwoodBunAstro
1import { Resend } from 'resend';
2
3const resend \= new Resend('re\_xxxxxxxxx');
4
5(async function() {
6 const { data, error } \= await resend.emails.send({
7 from: '[email protected]',
8 to: '[email protected]',
9 subject: 'Hello World',
10 html: '<strong>it works!</strong>'
11 });
12
13 if (error) {
14 return console.log(error);
15 }
16
17 console.log(data);
18})();
## First-class
developer experience
We are a team of engineers who love building tools for other engineers.
Our goal is to create the email platform we've always wished we had — one that *just works*.
Send
HTTP 200:
{ "id": "26abdd24-36a9-475d-83bf-4d27a31c7def" }
HTTP 200:
{ "id": "cc3817db-d398-4892-8bc0-8bc589a2cfb3" }
HTTP 200:
{ "id": "4ea2f827-c3a2-471e-b0a1-8bb0bcb5c67c" }
HTTP 200:
{ "id": "8e1d73b4-ebe1-485d-bce8-0d7044f1d879" }
HTTP 200:
{ "id": "a08045a6-122a-4e16-ace1-aa81df4278ac" }
HTTP 200:
{ "id": "c3be1838-b80e-457a-9fc5-3abf49c3b33e" }
HTTP 200:
{ "id": "13359f77-466e-436d-9cb2-ff0b0c9a8af4" }
## Test mode
Simulate events and experiment with our API without the risk of accidentally sending real emails to real people.
[Learn more](https://resend.com/docs/dashboard/emails/send-test-emails)
delivered
to with subject
on agent running on
clicked
from on
on agent running on
opened
from with subject
on agent running on
complained
to with feedback
on agent running on
bounced
to with type
on agent running on
## Modular webhooks
Receive real-time notifications directly to your server. Every time an email is delivered, opened, bounces, or a link is clicked.
[Learn more](https://resend.com/docs/dashboard/webhooks/introduction)
## Write using a delightful editor
A modern editor that makes it easy for anyone to write, format, and send emails.
Visually build your email and change the design by adding custom styles.
Styles
Weekly Acme Newsletter
a day ago
Test
Send
[email protected]
To Newsletter Subscribers
SubjectWeekly Newsletter
## Go beyond editing
Group and control your contacts in a simple and intuitive way.
Straightforward analytics and reporting tools that will help you send better emails.
## Contact management
Import your list in minutes, regardless the size of your audience. Get full visibility of each contact and their personal attributes.
[Learn more](https://resend.com/features/audiences)
## Broadcast analytics
Unlock powerful insights and understand exactly how your audience is interacting with your broadcast emails.
[Learn more](https://resend.com/features/broadcasts)
## Develop emails using React
Create beautiful templates without having to deal with <table> layouts and HTML.
Powered by react-email, our open source component library.
[Get started](https://resend.com/signup)[Check the docs](https://react.email/docs)
user-welcome.tsxreset-password.tsxuser-invite.tsxweekly-digest.tsx
1import { Body, Button, Column, Container, Head, Heading, Hr, Html, Img, Link, Preview, Row, Section, Text, Tailwind } from 'react-email';
2import \* as React from 'react';
3
4const WelcomeEmail \= ({
5 username \= 'Steve',
6 company \= 'ACME',
7}: WelcomeEmailProps) \=> {
8 const previewText \= \`Welcome to ${company}, ${username}!\`;
9
10 return (
11 <Html\>
12 <Head />
13 <Preview\>{previewText}</Preview\>
14 <Tailwind\>
15 <Body className\="bg-white my-auto mx-auto font-sans"\>
16 <Container className\="my-10 mx-auto p-5 w-\[465px\]"\>
17 <Section className\="mt-8"\>
18 <Img
19 src\={\`${baseUrl}/static/example-logo.png\`}
20 width\="80"
21 height\="80"
22 alt\="Logo Example"
23 className\="my-0 mx-auto"
24 />
25 </Section\>
26 <Heading className\="text-2xl font-normal text-center p-0 my-8 mx-0"\>
27 Welcome to <strong\>{company}</strong\>, {username}!
28 </Heading\>
29 <Text className\="text-sm"\>
30 Hello {username},
31 </Text\>
32 <Text className\="text-sm"\>
33 We're excited to have you onboard at <strong\>{company}</strong\>. We hope you enjoy your journey with us. If you have any questions or need assistance, feel free to reach out.
34 </Text\>
35 <Section className\="text-center mt-\[32px\] mb-\[32px\]"\>
36 <Button
37 pX\={20}
38 pY\={12}
39 className\="bg-\[#00A3FF\] rounded-sm text-white text-xs font-semibold no-underline text-center"
40 href\={\`${baseUrl}/get-started\`}
41 \>
42 Get Started
43 </Button\>
44 </Section\>
45 <Text className\="text-sm"\>
46 Cheers,
47 <br/>
48 The {company} Team
49 </Text\>
50 </Container\>
51 </Body\>
52 </Tailwind\>
53 </Html\>
54 );
55};
56
57interface WelcomeEmailProps {
58 username?: string;
59 company?: string;
60}
61
62const baseUrl \= process.env.URL
63 ? \`https://${process.env.URL}\`
64 : '';
65
66export default WelcomeEmail;
|
|  |
## Welcome to **ACME**, user!
Hello Steve,
We're excited to have you onboard at **ACME**. We hope you enjoy your journey with us. If you have any questions or need assistance, feel free to reach out.
| [Get Started](https://resend.com/get-started) |
Cheers,
The ACME Team
|
## Reach humans, not spam folders
#### Proactive blocklist tracking
Be the first to know if your domain is added to a DNSBLs such as those offered by Spamhaus with removal requests generated by Resend.
#### Faster time to inbox
Send emails from the region closest to your users. Reduce delivery latency with North American, South American, European, and Asian regions.
#### Build confidence with BIMI
Showcase your logo and company branding with BIMI. Receive guidance to obtain a VMC \- the email equivalent of a checkmark on social media.
#### Managed dedicated IPs
Get a fully managed dedicated IP that automatically warms up and autoscales based on your sending volume, no waiting period.
#### Dynamic suppression list
Prevent repeated sending to recipients who no longer want your email and comply with standards like the CAN-SPAM Act and others.
#### IP and domain monitoring
Monitor your DNS configuration for any errors or regressions. Be notified of any changes that could hinder your deliverability.
#### Verify DNS records
Protect your reputation by verifying your identity as a legitimate sender. Secure your email communication using DKIM and SPF.
#### Battle-tested infrastructure
Rely on a platform of reputable IP's used by trustworthy senders with distributed workloads across different IP pools.
#### Prevent spoofing with DMARC
Avoid impersonation by creating DMARC policies and instructing inbox providers on how to treat unauthenticated email.
> Resend is transforming email for developers. Simple interface, easy integrations, handy templates. What else could we ask for.
Guillermo Rauch
CEO at Vercel
[
Send with Next.js](https://resend.com/docs/send-with-nextjs)
## Everything in your control
All the features you need to manage your email sending, troubleshoot with
detailed logs, and protect your domain reputation – without the friction.
#### Intuitive analytics
#### Full visibility
#### Domain authentication
## Beyond expectations
Resend is driving remarkable developer experiences that enable success
stories, empower businesses, and fuel growth across industries and individuals.
- > "Our team loves Resend. It makes email sending so easy and reliable. After we switched to Dedicated IPs, our deliverability improved tremendously and we don't hear complaints about emails landing on spam anymore."
>
> Vlad MatsiiakoCo-founder of Infisical
- > "I've used Mailgun, Sendgrid, and Mandrill and they don't come close to providing the quality of developer experience you get with Resend."
>
> Brandon StrittmatterCo-founder of Outerbase
- > "Resend is an amazing product. It was so easy to switch over. I feel confident knowing that our important emails are in good hands with Resend. Everyone should be using this."
>
> Shariar KabirFounder at Ruby Card
- > "All of our customers are located in South America, so having a solution that could send emails from the region closest to our users is very important. Resend's multi-region feature is a game-changer for us."
>
> Giovanni KeppelenCTO & Partner at VOA Hoteis
- > "The speed and ease of integrating with the product was incredible, but what really stood out was their intricate knowledge of email and relentless support day or night. Oh and we also ended up winning Product of the week."
>
> Sam DuckerCo-founder of Anyone
- > "As a developer I love the approach that the Resend team is taking. Its so refreshing. They are also extremely user-centric and helpful in terms of getting you up and running, sending beautiful emails that deliver."
>
> Hahnbee LeeCo-Founder at Mintlify
- > "The Resend team have built a great product in a space that hasn't seen 10x innovation for years. Engineering peers are raving about Resend - it's such a smoother dev experience."
>
> Roberto RiccioHead of Product at Alliance
- > "If you're a developer or working on a startup, you're going to love Resend's approach to emailing."
>
> Joe DeMariaCo-founder & CEO of SpecCheck
- > "We were up and running with Resend in no time. It was seamless to integrate into our existing automation and gave us a tremendous amount of visibility into our email capabilities. Simple to say, it was a no-brainer."
>
> Ty SharpCo-founder & CEO of InBuild
- > "Resend not only streamlines our emails to accommodate our expanding customer base, but their team also offered valuable hands-on support during the transition from our old API. Their product is visually stunning and seamlessly integrates with React Email."
>
> Thiago CostaCo-founder of Fey and Narative
- > "As of our last deployment all of our emails are using Resend. We are loving the development experience of React Email - not having to leave my dev environment to develop new emails is a game-changer."
>
> Adam RankinFounding Engineer at Warp
- > "Working with Resend has been amazing. By using Webhooks, I'm able to track email opened/clicked events via Segment and log those events in LogSnag for visibility. I highly believe in the people behind Resend."
>
> Taylor FacenFounder of Finta
- > "Resend is super easy to set up. Loving the modern approach the team is taking with supercharging email. Never been a fan of other clunky tools."
>
> Brek GoinFounder of Hammr
- > "Our team loves Resend. It makes email sending so easy and reliable. After we switched to Dedicated IPs, our deliverability improved tremendously and we don't hear complaints about emails landing on spam anymore."
>
> Vlad MatsiiakoCo-founder of Infisical
- > "I've used Mailgun, Sendgrid, and Mandrill and they don't come close to providing the quality of developer experience you get with Resend."
>
> Brandon StrittmatterCo-founder of Outerbase
- > "Resend is an amazing product. It was so easy to switch over. I feel confident knowing that our important emails are in good hands with Resend. Everyone should be using this."
>
> Shariar KabirFounder at Ruby Card
- > "All of our customers are located in South America, so having a solution that could send emails from the region closest to our users is very important. Resend's multi-region feature is a game-changer for us."
>
> Giovanni KeppelenCTO & Partner at VOA Hoteis
- > "The speed and ease of integrating with the product was incredible, but what really stood out was their intricate knowledge of email and relentless support day or night. Oh and we also ended up winning Product of the week."
>
> Sam DuckerCo-founder of Anyone
- > "As a developer I love the approach that the Resend team is taking. Its so refreshing. They are also extremely user-centric and helpful in terms of getting you up and running, sending beautiful emails that deliver."
>
> Hahnbee LeeCo-Founder at Mintlify
- > "The Resend team have built a great product in a space that hasn't seen 10x innovation for years. Engineering peers are raving about Resend - it's such a smoother dev experience."
>
> Roberto RiccioHead of Product at Alliance
- > "If you're a developer or working on a startup, you're going to love Resend's approach to emailing."
>
> Joe DeMariaCo-founder & CEO of SpecCheck
- > "We were up and running with Resend in no time. It was seamless to integrate into our existing automation and gave us a tremendous amount of visibility into our email capabilities. Simple to say, it was a no-brainer."
>
> Ty SharpCo-founder & CEO of InBuild
- > "Resend not only streamlines our emails to accommodate our expanding customer base, but their team also offered valuable hands-on support during the transition from our old API. Their product is visually stunning and seamlessly integrates with React Email."
>
> Thiago CostaCo-founder of Fey and Narative
- > "As of our last deployment all of our emails are using Resend. We are loving the development experience of React Email - not having to leave my dev environment to develop new emails is a game-changer."
>
> Adam RankinFounding Engineer at Warp
- > "Working with Resend has been amazing. By using Webhooks, I'm able to track email opened/clicked events via Segment and log those events in LogSnag for visibility. I highly believe in the people behind Resend."
>
> Taylor FacenFounder of Finta
- > "Resend is super easy to set up. Loving the modern approach the team is taking with supercharging email. Never been a fan of other clunky tools."
>
> Brek GoinFounder of Hammr
- > "Our team loves Resend. It makes email sending so easy and reliable. After we switched to Dedicated IPs, our deliverability improved tremendously and we don't hear complaints about emails landing on spam anymore."
>
> Vlad MatsiiakoCo-founder of Infisical
- > "I've used Mailgun, Sendgrid, and Mandrill and they don't come close to providing the quality of developer experience you get with Resend."
>
> Brandon StrittmatterCo-founder of Outerbase
- > "Resend is an amazing product. It was so easy to switch over. I feel confident knowing that our important emails are in good hands with Resend. Everyone should be using this."
>
> Shariar KabirFounder at Ruby Card
- > "All of our customers are located in South America, so having a solution that could send emails from the region closest to our users is very important. Resend's multi-region feature is a game-changer for us."
>
> Giovanni KeppelenCTO & Partner at VOA Hoteis
- > "The speed and ease of integrating with the product was incredible, but what really stood out was their intricate knowledge of email and relentless support day or night. Oh and we also ended up winning Product of the week."
>
> Sam DuckerCo-founder of Anyone
- > "As a developer I love the approach that the Resend team is taking. Its so refreshing. They are also extremely user-centric and helpful in terms of getting you up and running, sending beautiful emails that deliver."
>
> Hahnbee LeeCo-Founder at Mintlify
- > "The Resend team have built a great product in a space that hasn't seen 10x innovation for years. Engineering peers are raving about Resend - it's such a smoother dev experience."
>
> Roberto RiccioHead of Product at Alliance
- > "If you're a developer or working on a startup, you're going to love Resend's approach to emailing."
>
> Joe DeMariaCo-founder & CEO of SpecCheck
- > "We were up and running with Resend in no time. It was seamless to integrate into our existing automation and gave us a tremendous amount of visibility into our email capabilities. Simple to say, it was a no-brainer."
>
> Ty SharpCo-founder & CEO of InBuild
- > "Resend not only streamlines our emails to accommodate our expanding customer base, but their team also offered valuable hands-on support during the transition from our old API. Their product is visually stunning and seamlessly integrates with React Email."
>
> Thiago CostaCo-founder of Fey and Narative
- > "As of our last deployment all of our emails are using Resend. We are loving the development experience of React Email - not having to leave my dev environment to develop new emails is a game-changer."
>
> Adam RankinFounding Engineer at Warp
- > "Working with Resend has been amazing. By using Webhooks, I'm able to track email opened/clicked events via Segment and log those events in LogSnag for visibility. I highly believe in the people behind Resend."
>
> Taylor FacenFounder of Finta
- > "Resend is super easy to set up. Loving the modern approach the team is taking with supercharging email. Never been a fan of other clunky tools."
>
> Brek GoinFounder of Hammr
## Email reimagined.
Available today.
[Get started](https://resend.com/signup)[Contact us](https://resend.com/contact)
このファイルをサーバーの/index.mdとしてアップロードし、AIエージェントがページのクリーンなバージョンにアクセスできるようにしましょう。Accept: text/markdownコンテンツネゴシエーションを設定して自動的に配信することもできます。
推奨内容
# resend.com > The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale. ## Documentation - [Documentation](https://resend.com/docs) - [Learn more](https://resend.com/docs/dashboard/emails/send-test-emails) - [Learn more](https://resend.com/docs/dashboard/webhooks/introduction) - [Send with Next.js](https://resend.com/docs/send-with-nextjs) - [Knowledge base](https://resend.com/docs/knowledge-base/introduction) ## Main - [Resend · Email for developers](https://resend.com): The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale. - [Pricing](https://resend.com/pricing) - [Email API](https://resend.com/features/email-api) - [SMTP](https://resend.com/features/smtp-service) - [Inbound](https://resend.com/features/inbound) - [Audiences](https://resend.com/features/audiences) - [Broadcasts](https://resend.com/features/broadcasts) - [Templates](https://resend.com/features/templates) - [Webhooks](https://resend.com/features/webhooks) - [About](https://resend.com/about) - [Log in](https://resend.com/login) - [Get started](https://resend.com/signup) - [Status unknown](https://resend.com/status) - [Changelog](https://resend.com/changelog) - [Security](https://resend.com/security) - [SOC 2](https://resend.com/security/soc-2) - [GDPR](https://resend.com/security/gdpr) - [Brand](https://resend.com/brand) ## Blog - [Blog](https://resend.com/blog) ## Legal - [Legal policies](https://resend.com/legal) ## Support - [Contact](https://resend.com/contact) - [Support](https://resend.com/support)
完全なllms.txtにはドメイン全体の分析が必要です（近日公開）
このファイルをドメインのルートにhttps://resend.com/llms.txtとしてアップロードしてください。ChatGPT、Claude、PerplexityなどのAIエージェントはこのファイルを確認してサイト構造を理解します。
このサイトにはすでにllms.txtファイルがあります。
有効な形式# Resend > Resend is the email API for developers. Send transactional and marketing emails at scale with a simple, modern API. For AI agents and automation, use the tools below. ## Command line tool Install and use the Resend CLI from the terminal. - [Install](https://resend.com/install.sh) - [Repository](https://github.com/resend/resend-cli) ## MCP Server Add Resend to Cursor, Claude, and other MCP clients. - [MCP Server](https://github.com/resend/resend-mcp) - [MCP Discovery](https://resend.com/.well-known/mcp.json) ## Skills Best practices for building and sending emails with agents. - [Skills Discovery](https://resend.com/.well-known/agent-skills/index.json) - [Resend](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/resend/SKILL.md) - [React Email](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/react-email/SKILL.md) - [Email Best Practices](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/email-best-practices/SKILL.md) - [Resend CLI](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/resend-cli/SKILL.md) - [Agent Email Inbox](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/agent-email-inbox/SKILL.md) ## Documentation The llms.txt file containing all Resend documentation. - [Full documentation](https://resend.com/docs/llms.txt) ## OpenAPI spec The full OpenAPI 3.0 specification for the Resend API. - [OpenAPI spec (YAML)](https://resend.com/openapi.yaml) - [OpenAPI spec (JSON)](https://resend.com/openapi.json) ## Pricing Plans, features, and cost-per-email for transactional and marketing emails. - [Pricing (Markdown)](https://resend.com/pricing.md) - [Pricing (HTML)](https://resend.com/pricing) ## SDKs The official libraries maintained by the Resend team for each platform. - [Node.js](https://github.com/resend/resend-node) - [Python](https://github.com/resend/resend-python) - [PHP](https://github.com/resend/resend-php) - [Ruby](https://github.com/resend/resend-ruby) - [Go](https://github.com/resend/resend-go) - [Java](https://github.com/resend/resend-java) - [Laravel](https://github.com/resend/resend-laravel) - [Rust](https://github.com/resend/resend-rust) - [.NET](https://github.com/resend/resend-dotnet)
セマンティックHTML
articleまたはmain要素を使用
(0/100)
Missing <article> and <main> elements
適切な見出し階層
(70/100)
2 heading level skip(s)
セマンティックHTML要素を使用
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18 semantic elements, 592 divs (ratio: 3%)
意味のある画像alt属性
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12/13 images with meaningful alt text
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HTML size: 441KB
AI発見可能性
llms.txtファイルあり
(100/100)
llms.txt exists and is valid
robots.txtファイルあり
(100/100)
robots.txt exists
robots.txtがAIボットを許可
(100/100)
All major AI bots allowed
sitemap.xmlあり
(100/100)
Sitemap found
Markdown for Agentsサポート
(40/100)
Cloudflare CDN
✓ Accept: text/markdown
✗ .md URL
✗ <link> tag
✗ Link header
Content-Signalあり（robots.txtまたはHTTPヘッダー）
(60/100)
✓ robots.txt
✗ HTTP header
✗ Policy
構造化データ
Schema.org / JSON-LDあり
(100/100)
JSON-LD found: Organization, WebSite, SoftwareApplication, BreadcrumbList
Open Graphタグあり
(100/100)
All OG tags present
メタディスクリプションあり
(100/100)
Meta description: 106 chars
正規URLあり
(100/100)
Canonical URL present
lang属性あり
(100/100)
lang="en"
アクセシビリティ
JavaScript不要でコンテンツ利用可能
(100/100)
Content available without JavaScript
適切なページサイズ
(80/100)
Page size: 441KB
HTML内でコンテンツが早い位置に配置
(100/100)
Main content starts at 7% of HTML
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"markdown": "\n\n## Email for\ndevelopers\n\nThe best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.\n\n\n\nCompanies of all sizes trust Resend to deliver their most important emails.\n\n## Integrate\n\nA simple, elegant interface so you can start sending emails in minutes. It fits right into your code with SDKs for your favorite programming languages.\n\n## First-class\ndeveloper experience\n\nWe are a team of engineers who love building tools for other engineers.\nOur goal is to create the email platform we've always wished we had — one that *just works*.\n\n## Test mode\n\nSimulate events and experiment with our API without the risk of accidentally sending real emails to real people.\n\n[Learn more](https://resend.com/docs/dashboard/emails/send-test-emails)\n\n## Modular webhooks\n\nReceive real-time notifications directly to your server. Every time an email is delivered, opened, bounces, or a link is clicked.\n\n[Learn more](https://resend.com/docs/dashboard/webhooks/introduction)\n\n## Write using a delightful editor\n\nA modern editor that makes it easy for anyone to write, format, and send emails.\nVisually build your email and change the design by adding custom styles.\n\nStyles\n\nWeekly Acme Newsletter\n\na day ago\n\nTest\n\nSend\n\[email protected]\n\nTo Newsletter Subscribers\n\nSubjectWeekly Newsletter\n\n\n\n## Go beyond editing\n\nGroup and control your contacts in a simple and intuitive way.\nStraightforward analytics and reporting tools that will help you send better emails.\n\n## Contact management\n\nImport your list in minutes, regardless the size of your audience. Get full visibility of each contact and their personal attributes.\n\n[Learn more](https://resend.com/features/audiences)\n\n## Broadcast analytics\n\nUnlock powerful insights and understand exactly how your audience is interacting with your broadcast emails.\n\n[Learn more](https://resend.com/features/broadcasts)\n\n## Develop emails using React\n\nCreate beautiful templates without having to deal with <table> layouts and HTML.\nPowered by react-email, our open source component library.\n\n1import { Body, Button, Column, Container, Head, Heading, Hr, Html, Img, Link, Preview, Row, Section, Text, Tailwind } from 'react-email';\n\n2import \\* as React from 'react';\n\n3\n\n4const WelcomeEmail \\= ({\n\n5 username \\= 'Steve',\n\n6 company \\= 'ACME',\n\n7}: WelcomeEmailProps) \\=> {\n\n8 const previewText \\= \\`Welcome to ${company}, ${username}!\\`;\n\n9\n\n10 return (\n\n11 <Html\\>\n\n12 <Head />\n\n13 <Preview\\>{previewText}</Preview\\>\n\n14 <Tailwind\\>\n\n15 <Body className\\=\"bg-white my-auto mx-auto font-sans\"\\>\n\n16 <Container className\\=\"my-10 mx-auto p-5 w-\\[465px\\]\"\\>\n\n17 <Section className\\=\"mt-8\"\\>\n\n18 <Img\n\n19 src\\={\\`${baseUrl}/static/example-logo.png\\`}\n\n20 width\\=\"80\"\n\n21 height\\=\"80\"\n\n22 alt\\=\"Logo Example\"\n\n23 className\\=\"my-0 mx-auto\"\n\n24 />\n\n25 </Section\\>\n\n26 <Heading className\\=\"text-2xl font-normal text-center p-0 my-8 mx-0\"\\>\n\n27 Welcome to <strong\\>{company}</strong\\>, {username}!\n\n28 </Heading\\>\n\n29 <Text className\\=\"text-sm\"\\>\n\n30 Hello {username},\n\n31 </Text\\>\n\n32 <Text className\\=\"text-sm\"\\>\n\n33 We're excited to have you onboard at <strong\\>{company}</strong\\>. We hope you enjoy your journey with us. If you have any questions or need assistance, feel free to reach out.\n\n34 </Text\\>\n\n35 <Section className\\=\"text-center mt-\\[32px\\] mb-\\[32px\\]\"\\>\n\n36 <Button\n\n37 pX\\={20}\n\n38 pY\\={12}\n\n39 className\\=\"bg-\\[#00A3FF\\] rounded-sm text-white text-xs font-semibold no-underline text-center\"\n\n40 href\\={\\`${baseUrl}/get-started\\`}\n\n41 \\>\n\n42 Get Started\n\n43 </Button\\>\n\n44 </Section\\>\n\n45 <Text className\\=\"text-sm\"\\>\n\n46 Cheers,\n\n47 <br/>\n\n48 The {company} Team\n\n49 </Text\\>\n\n50 </Container\\>\n\n51 </Body\\>\n\n52 </Tailwind\\>\n\n53 </Html\\>\n\n54 );\n\n55};\n\n56\n\n57interface WelcomeEmailProps {\n\n58 username?: string;\n\n59 company?: string;\n\n60}\n\n61\n\n62const baseUrl \\= process.env.URL\n\n63 ? \\`https://${process.env.URL}\\`\n\n64 : '';\n\n65\n\n66export default WelcomeEmail;\n\n\n\n## Welcome to **ACME**, user!\n\nHello Steve,\n\nWe're excited to have you onboard at **ACME**. We hope you enjoy your journey with us. If you have any questions or need assistance, feel free to reach out.\n\nCheers,\nThe ACME Team\n\n## Reach humans, not spam folders\n\n#### Proactive blocklist tracking\n\nBe the first to know if your domain is added to a such as those offered by with removal requests generated by Resend.\n\n#### Faster time to inbox\n\nSend emails from the region closest to your users. Reduce delivery latency with North American, South American, European, and Asian regions.\n\n#### Build confidence with BIMI\n\nShowcase your logo and company branding with . Receive guidance to obtain a \\- the email equivalent of a checkmark on social media.\n\n#### Managed dedicated IPs\n\nGet a fully managed dedicated IP that automatically warms up and autoscales based on your sending volume, no waiting period.\n\n#### Dynamic suppression list\n\nPrevent repeated sending to recipients who no longer want your email and comply with standards like the and others.\n\n#### IP and domain monitoring\n\nMonitor your DNS configuration for any errors or regressions. Be notified of any changes that could hinder your deliverability.\n\n#### Verify DNS records\n\nProtect your reputation by verifying your identity as a legitimate sender. Secure your email communication using and .\n\n#### Battle-tested infrastructure\n\nRely on a platform of reputable IP's used by trustworthy senders with distributed workloads across different IP pools.\n\n#### Prevent spoofing with DMARC\n\nAvoid impersonation by creating policies and instructing inbox providers on how to treat unauthenticated email.\n\n\n\n> Resend is transforming email for developers. Simple interface, easy integrations, handy templates. What else could we ask for.\n\nGuillermo Rauch\n\nCEO at Vercel\n\n[Send with Next.js](https://resend.com/docs/send-with-nextjs)\n\n## Everything in your control\n\nAll the features you need to manage your email sending, troubleshoot with\ndetailed logs, and protect your domain reputation – without the friction.\n\n\n\n## Beyond expectations\n\nResend is driving remarkable developer experiences that enable success\nstories, empower businesses, and fuel growth across industries and individuals.\n\n## Email reimagined.\nAvailable today.\n",
"fullPageMarkdown": "Resend · Email for developers\n\n[](https://resend.com/home)\n\nOpen main menu\n\n[](https://resend.com/home)\n\n- Features\n- Company\n- Resources\n- Help\n- Docs\n- AI\n- [Pricing](https://resend.com/pricing)\n\n[Log in](https://resend.com/login)[Get started](https://resend.com/signup)\n\n\n\n[Announcing Resend Forward](https://resend.com/forward)\n\n# Email for\ndevelopers\n\nThe best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.\n\n[Get started](https://resend.com/signup)[Documentation](https://resend.com/docs)\n\n\n\nCompanies of all sizes trust Resend to deliver their most important emails.\n\n## Integrate\n\nA simple, elegant interface so you can start sending emails in minutes. It fits right into your code with SDKs for your favorite programming languages.\n\nNode.js\n\nServerless\n\nRuby\n\nPython\n\nPHP\n\nCLI\n\nGo\n\nRust\n\nJava\n\nElixir\n\n.NET\n\nREST\n\nSMTP\n\nNode.js\n\nNext.jsRemixNuxtExpressHonoRedwoodBunAstro\n\n1import { Resend } from 'resend';\n\n2\n\n3const resend \\= new Resend('re\\_xxxxxxxxx');\n\n4\n\n5(async function() {\n\n6 const { data, error } \\= await resend.emails.send({\n\n7 from: '[email protected]',\n\n8 to: '[email protected]',\n\n9 subject: 'Hello World',\n\n10 html: '<strong>it works!</strong>'\n\n11 });\n\n12\n\n13 if (error) {\n\n14 return console.log(error);\n\n15 }\n\n16\n\n17 console.log(data);\n\n18})();\n\n## First-class\ndeveloper experience\n\nWe are a team of engineers who love building tools for other engineers.\nOur goal is to create the email platform we've always wished we had — one that *just works*.\n\nSend\n\nHTTP 200:\n\n{ \"id\": \"26abdd24-36a9-475d-83bf-4d27a31c7def\" }\n\nHTTP 200:\n\n{ \"id\": \"cc3817db-d398-4892-8bc0-8bc589a2cfb3\" }\n\nHTTP 200:\n\n{ \"id\": \"4ea2f827-c3a2-471e-b0a1-8bb0bcb5c67c\" }\n\nHTTP 200:\n\n{ \"id\": \"8e1d73b4-ebe1-485d-bce8-0d7044f1d879\" }\n\nHTTP 200:\n\n{ \"id\": \"a08045a6-122a-4e16-ace1-aa81df4278ac\" }\n\nHTTP 200:\n\n{ \"id\": \"c3be1838-b80e-457a-9fc5-3abf49c3b33e\" }\n\nHTTP 200:\n\n{ \"id\": \"13359f77-466e-436d-9cb2-ff0b0c9a8af4\" }\n\n## Test mode\n\nSimulate events and experiment with our API without the risk of accidentally sending real emails to real people.\n\n[Learn more](https://resend.com/docs/dashboard/emails/send-test-emails)\n\ndelivered\n\nto with subject\n\non agent running on\n\nclicked\n\nfrom on\n\non agent running on\n\nopened\n\nfrom with subject\n\non agent running on\n\ncomplained\n\nto with feedback\n\non agent running on\n\nbounced\n\nto with type\n\non agent running on\n\n## Modular webhooks\n\nReceive real-time notifications directly to your server. Every time an email is delivered, opened, bounces, or a link is clicked.\n\n[Learn more](https://resend.com/docs/dashboard/webhooks/introduction)\n\n## Write using a delightful editor\n\nA modern editor that makes it easy for anyone to write, format, and send emails.\nVisually build your email and change the design by adding custom styles.\n\nStyles\n\nWeekly Acme Newsletter\n\na day ago\n\nTest\n\nSend\n\[email protected]\n\nTo Newsletter Subscribers\n\nSubjectWeekly Newsletter\n\n\n\n## Go beyond editing\n\nGroup and control your contacts in a simple and intuitive way.\nStraightforward analytics and reporting tools that will help you send better emails.\n\n\n\n## Contact management\n\nImport your list in minutes, regardless the size of your audience. Get full visibility of each contact and their personal attributes.\n\n[Learn more](https://resend.com/features/audiences)\n\n\n\n## Broadcast analytics\n\nUnlock powerful insights and understand exactly how your audience is interacting with your broadcast emails.\n\n[Learn more](https://resend.com/features/broadcasts)\n\n## Develop emails using React\n\nCreate beautiful templates without having to deal with <table> layouts and HTML.\nPowered by react-email, our open source component library.\n\n[Get started](https://resend.com/signup)[Check the docs](https://react.email/docs)\n\nuser-welcome.tsxreset-password.tsxuser-invite.tsxweekly-digest.tsx\n\n1import { Body, Button, Column, Container, Head, Heading, Hr, Html, Img, Link, Preview, Row, Section, Text, Tailwind } from 'react-email';\n\n2import \\* as React from 'react';\n\n3\n\n4const WelcomeEmail \\= ({\n\n5 username \\= 'Steve',\n\n6 company \\= 'ACME',\n\n7}: WelcomeEmailProps) \\=> {\n\n8 const previewText \\= \\`Welcome to ${company}, ${username}!\\`;\n\n9\n\n10 return (\n\n11 <Html\\>\n\n12 <Head />\n\n13 <Preview\\>{previewText}</Preview\\>\n\n14 <Tailwind\\>\n\n15 <Body className\\=\"bg-white my-auto mx-auto font-sans\"\\>\n\n16 <Container className\\=\"my-10 mx-auto p-5 w-\\[465px\\]\"\\>\n\n17 <Section className\\=\"mt-8\"\\>\n\n18 <Img\n\n19 src\\={\\`${baseUrl}/static/example-logo.png\\`}\n\n20 width\\=\"80\"\n\n21 height\\=\"80\"\n\n22 alt\\=\"Logo Example\"\n\n23 className\\=\"my-0 mx-auto\"\n\n24 />\n\n25 </Section\\>\n\n26 <Heading className\\=\"text-2xl font-normal text-center p-0 my-8 mx-0\"\\>\n\n27 Welcome to <strong\\>{company}</strong\\>, {username}!\n\n28 </Heading\\>\n\n29 <Text className\\=\"text-sm\"\\>\n\n30 Hello {username},\n\n31 </Text\\>\n\n32 <Text className\\=\"text-sm\"\\>\n\n33 We're excited to have you onboard at <strong\\>{company}</strong\\>. We hope you enjoy your journey with us. If you have any questions or need assistance, feel free to reach out.\n\n34 </Text\\>\n\n35 <Section className\\=\"text-center mt-\\[32px\\] mb-\\[32px\\]\"\\>\n\n36 <Button\n\n37 pX\\={20}\n\n38 pY\\={12}\n\n39 className\\=\"bg-\\[#00A3FF\\] rounded-sm text-white text-xs font-semibold no-underline text-center\"\n\n40 href\\={\\`${baseUrl}/get-started\\`}\n\n41 \\>\n\n42 Get Started\n\n43 </Button\\>\n\n44 </Section\\>\n\n45 <Text className\\=\"text-sm\"\\>\n\n46 Cheers,\n\n47 <br/>\n\n48 The {company} Team\n\n49 </Text\\>\n\n50 </Container\\>\n\n51 </Body\\>\n\n52 </Tailwind\\>\n\n53 </Html\\>\n\n54 );\n\n55};\n\n56\n\n57interface WelcomeEmailProps {\n\n58 username?: string;\n\n59 company?: string;\n\n60}\n\n61\n\n62const baseUrl \\= process.env.URL\n\n63 ? \\`https://${process.env.URL}\\`\n\n64 : '';\n\n65\n\n66export default WelcomeEmail;\n\n|\n\n|  |\n\n## Welcome to **ACME**, user!\n\nHello Steve,\n\nWe're excited to have you onboard at **ACME**. We hope you enjoy your journey with us. If you have any questions or need assistance, feel free to reach out.\n\n| [Get Started](https://resend.com/get-started) |\n\nCheers,\nThe ACME Team\n\n |\n\n## Reach humans, not spam folders\n\n#### Proactive blocklist tracking\n\nBe the first to know if your domain is added to a DNSBLs such as those offered by Spamhaus with removal requests generated by Resend.\n\n#### Faster time to inbox\n\nSend emails from the region closest to your users. Reduce delivery latency with North American, South American, European, and Asian regions.\n\n#### Build confidence with BIMI\n\nShowcase your logo and company branding with BIMI. Receive guidance to obtain a VMC \\- the email equivalent of a checkmark on social media.\n\n#### Managed dedicated IPs\n\nGet a fully managed dedicated IP that automatically warms up and autoscales based on your sending volume, no waiting period.\n\n#### Dynamic suppression list\n\nPrevent repeated sending to recipients who no longer want your email and comply with standards like the CAN-SPAM Act and others.\n\n#### IP and domain monitoring\n\nMonitor your DNS configuration for any errors or regressions. Be notified of any changes that could hinder your deliverability.\n\n#### Verify DNS records\n\nProtect your reputation by verifying your identity as a legitimate sender. Secure your email communication using DKIM and SPF.\n\n#### Battle-tested infrastructure\n\nRely on a platform of reputable IP's used by trustworthy senders with distributed workloads across different IP pools.\n\n#### Prevent spoofing with DMARC\n\nAvoid impersonation by creating DMARC policies and instructing inbox providers on how to treat unauthenticated email.\n\n\n\n> Resend is transforming email for developers. Simple interface, easy integrations, handy templates. What else could we ask for.\n\nGuillermo Rauch\n\nCEO at Vercel\n\n[\n\nSend with Next.js](https://resend.com/docs/send-with-nextjs)\n\n## Everything in your control\n\nAll the features you need to manage your email sending, troubleshoot with\ndetailed logs, and protect your domain reputation – without the friction.\n\n#### Intuitive analytics\n\n#### Full visibility\n\n#### Domain authentication\n\n\n\n## Beyond expectations\n\nResend is driving remarkable developer experiences that enable success\nstories, empower businesses, and fuel growth across industries and individuals.\n\n- > \"Our team loves Resend. It makes email sending so easy and reliable. After we switched to Dedicated IPs, our deliverability improved tremendously and we don't hear complaints about emails landing on spam anymore.\"\n >\n > Vlad MatsiiakoCo-founder of Infisical\n\n- > \"I've used Mailgun, Sendgrid, and Mandrill and they don't come close to providing the quality of developer experience you get with Resend.\"\n >\n > Brandon StrittmatterCo-founder of Outerbase\n\n- > \"Resend is an amazing product. It was so easy to switch over. I feel confident knowing that our important emails are in good hands with Resend. Everyone should be using this.\"\n >\n > Shariar KabirFounder at Ruby Card\n\n- > \"All of our customers are located in South America, so having a solution that could send emails from the region closest to our users is very important. Resend's multi-region feature is a game-changer for us.\"\n >\n > Giovanni KeppelenCTO & Partner at VOA Hoteis\n\n- > \"The speed and ease of integrating with the product was incredible, but what really stood out was their intricate knowledge of email and relentless support day or night. Oh and we also ended up winning Product of the week.\"\n >\n > Sam DuckerCo-founder of Anyone\n\n- > \"As a developer I love the approach that the Resend team is taking. Its so refreshing. They are also extremely user-centric and helpful in terms of getting you up and running, sending beautiful emails that deliver.\"\n >\n > Hahnbee LeeCo-Founder at Mintlify\n\n- > \"The Resend team have built a great product in a space that hasn't seen 10x innovation for years. Engineering peers are raving about Resend - it's such a smoother dev experience.\"\n >\n > Roberto RiccioHead of Product at Alliance\n\n- > \"If you're a developer or working on a startup, you're going to love Resend's approach to emailing.\"\n >\n > Joe DeMariaCo-founder & CEO of SpecCheck\n\n- > \"We were up and running with Resend in no time. It was seamless to integrate into our existing automation and gave us a tremendous amount of visibility into our email capabilities. Simple to say, it was a no-brainer.\"\n >\n > Ty SharpCo-founder & CEO of InBuild\n\n- > \"Resend not only streamlines our emails to accommodate our expanding customer base, but their team also offered valuable hands-on support during the transition from our old API. Their product is visually stunning and seamlessly integrates with React Email.\"\n >\n > Thiago CostaCo-founder of Fey and Narative\n\n- > \"As of our last deployment all of our emails are using Resend. We are loving the development experience of React Email - not having to leave my dev environment to develop new emails is a game-changer.\"\n >\n > Adam RankinFounding Engineer at Warp\n\n- > \"Working with Resend has been amazing. By using Webhooks, I'm able to track email opened/clicked events via Segment and log those events in LogSnag for visibility. I highly believe in the people behind Resend.\"\n >\n > Taylor FacenFounder of Finta\n\n- > \"Resend is super easy to set up. Loving the modern approach the team is taking with supercharging email. Never been a fan of other clunky tools.\"\n >\n > Brek GoinFounder of Hammr\n\n- > \"Our team loves Resend. It makes email sending so easy and reliable. After we switched to Dedicated IPs, our deliverability improved tremendously and we don't hear complaints about emails landing on spam anymore.\"\n >\n > Vlad MatsiiakoCo-founder of Infisical\n\n- > \"I've used Mailgun, Sendgrid, and Mandrill and they don't come close to providing the quality of developer experience you get with Resend.\"\n >\n > Brandon StrittmatterCo-founder of Outerbase\n\n- > \"Resend is an amazing product. It was so easy to switch over. I feel confident knowing that our important emails are in good hands with Resend. Everyone should be using this.\"\n >\n > Shariar KabirFounder at Ruby Card\n\n- > \"All of our customers are located in South America, so having a solution that could send emails from the region closest to our users is very important. Resend's multi-region feature is a game-changer for us.\"\n >\n > Giovanni KeppelenCTO & Partner at VOA Hoteis\n\n- > \"The speed and ease of integrating with the product was incredible, but what really stood out was their intricate knowledge of email and relentless support day or night. Oh and we also ended up winning Product of the week.\"\n >\n > Sam DuckerCo-founder of Anyone\n\n- > \"As a developer I love the approach that the Resend team is taking. Its so refreshing. They are also extremely user-centric and helpful in terms of getting you up and running, sending beautiful emails that deliver.\"\n >\n > Hahnbee LeeCo-Founder at Mintlify\n\n- > \"The Resend team have built a great product in a space that hasn't seen 10x innovation for years. Engineering peers are raving about Resend - it's such a smoother dev experience.\"\n >\n > Roberto RiccioHead of Product at Alliance\n\n- > \"If you're a developer or working on a startup, you're going to love Resend's approach to emailing.\"\n >\n > Joe DeMariaCo-founder & CEO of SpecCheck\n\n- > \"We were up and running with Resend in no time. It was seamless to integrate into our existing automation and gave us a tremendous amount of visibility into our email capabilities. Simple to say, it was a no-brainer.\"\n >\n > Ty SharpCo-founder & CEO of InBuild\n\n- > \"Resend not only streamlines our emails to accommodate our expanding customer base, but their team also offered valuable hands-on support during the transition from our old API. Their product is visually stunning and seamlessly integrates with React Email.\"\n >\n > Thiago CostaCo-founder of Fey and Narative\n\n- > \"As of our last deployment all of our emails are using Resend. We are loving the development experience of React Email - not having to leave my dev environment to develop new emails is a game-changer.\"\n >\n > Adam RankinFounding Engineer at Warp\n\n- > \"Working with Resend has been amazing. By using Webhooks, I'm able to track email opened/clicked events via Segment and log those events in LogSnag for visibility. I highly believe in the people behind Resend.\"\n >\n > Taylor FacenFounder of Finta\n\n- > \"Resend is super easy to set up. Loving the modern approach the team is taking with supercharging email. Never been a fan of other clunky tools.\"\n >\n > Brek GoinFounder of Hammr\n\n- > \"Our team loves Resend. It makes email sending so easy and reliable. After we switched to Dedicated IPs, our deliverability improved tremendously and we don't hear complaints about emails landing on spam anymore.\"\n >\n > Vlad MatsiiakoCo-founder of Infisical\n\n- > \"I've used Mailgun, Sendgrid, and Mandrill and they don't come close to providing the quality of developer experience you get with Resend.\"\n >\n > Brandon StrittmatterCo-founder of Outerbase\n\n- > \"Resend is an amazing product. It was so easy to switch over. I feel confident knowing that our important emails are in good hands with Resend. Everyone should be using this.\"\n >\n > Shariar KabirFounder at Ruby Card\n\n- > \"All of our customers are located in South America, so having a solution that could send emails from the region closest to our users is very important. Resend's multi-region feature is a game-changer for us.\"\n >\n > Giovanni KeppelenCTO & Partner at VOA Hoteis\n\n- > \"The speed and ease of integrating with the product was incredible, but what really stood out was their intricate knowledge of email and relentless support day or night. Oh and we also ended up winning Product of the week.\"\n >\n > Sam DuckerCo-founder of Anyone\n\n- > \"As a developer I love the approach that the Resend team is taking. Its so refreshing. They are also extremely user-centric and helpful in terms of getting you up and running, sending beautiful emails that deliver.\"\n >\n > Hahnbee LeeCo-Founder at Mintlify\n\n- > \"The Resend team have built a great product in a space that hasn't seen 10x innovation for years. Engineering peers are raving about Resend - it's such a smoother dev experience.\"\n >\n > Roberto RiccioHead of Product at Alliance\n\n- > \"If you're a developer or working on a startup, you're going to love Resend's approach to emailing.\"\n >\n > Joe DeMariaCo-founder & CEO of SpecCheck\n\n- > \"We were up and running with Resend in no time. It was seamless to integrate into our existing automation and gave us a tremendous amount of visibility into our email capabilities. Simple to say, it was a no-brainer.\"\n >\n > Ty SharpCo-founder & CEO of InBuild\n\n- > \"Resend not only streamlines our emails to accommodate our expanding customer base, but their team also offered valuable hands-on support during the transition from our old API. Their product is visually stunning and seamlessly integrates with React Email.\"\n >\n > Thiago CostaCo-founder of Fey and Narative\n\n- > \"As of our last deployment all of our emails are using Resend. We are loving the development experience of React Email - not having to leave my dev environment to develop new emails is a game-changer.\"\n >\n > Adam RankinFounding Engineer at Warp\n\n- > \"Working with Resend has been amazing. By using Webhooks, I'm able to track email opened/clicked events via Segment and log those events in LogSnag for visibility. I highly believe in the people behind Resend.\"\n >\n > Taylor FacenFounder of Finta\n\n- > \"Resend is super easy to set up. Loving the modern approach the team is taking with supercharging email. Never been a fan of other clunky tools.\"\n >\n > Brek GoinFounder of Hammr\n\n## Email reimagined.\nAvailable today.\n\n[Get started](https://resend.com/signup)[Contact us](https://resend.com/contact)\n\n\n",
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"llmsTxtPreview": "# resend.com\n\n> The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.\n\n## Documentation\n- [Documentation](https://resend.com/docs)\n- [Learn more](https://resend.com/docs/dashboard/emails/send-test-emails)\n- [Learn more](https://resend.com/docs/dashboard/webhooks/introduction)\n- [Send with Next.js](https://resend.com/docs/send-with-nextjs)\n- [Knowledge base](https://resend.com/docs/knowledge-base/introduction)\n\n## Main\n- [Resend · Email for developers](https://resend.com): The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.\n- [Pricing](https://resend.com/pricing)\n- [Email API](https://resend.com/features/email-api)\n- [SMTP](https://resend.com/features/smtp-service)\n- [Inbound](https://resend.com/features/inbound)\n- [Audiences](https://resend.com/features/audiences)\n- [Broadcasts](https://resend.com/features/broadcasts)\n- [Templates](https://resend.com/features/templates)\n- [Webhooks](https://resend.com/features/webhooks)\n- [About](https://resend.com/about)\n- [Log in](https://resend.com/login)\n- [Get started](https://resend.com/signup)\n- [Status unknown](https://resend.com/status)\n- [Changelog](https://resend.com/changelog)\n- [Security](https://resend.com/security)\n- [SOC 2](https://resend.com/security/soc-2)\n- [GDPR](https://resend.com/security/gdpr)\n- [Brand](https://resend.com/brand)\n\n## Blog\n- [Blog](https://resend.com/blog)\n\n## Legal\n- [Legal policies](https://resend.com/legal)\n\n## Support\n- [Contact](https://resend.com/contact)\n- [Support](https://resend.com/support)\n\n",
"llmsTxtExisting": "# Resend\n\n> Resend is the email API for developers. Send transactional and marketing emails at scale with a simple, modern API.\n\nFor AI agents and automation, use the tools below.\n\n## Command line tool\n\nInstall and use the Resend CLI from the terminal.\n\n- [Install](https://resend.com/install.sh)\n- [Repository](https://github.com/resend/resend-cli)\n\n## MCP Server\n\nAdd Resend to Cursor, Claude, and other MCP clients.\n\n- [MCP Server](https://github.com/resend/resend-mcp)\n- [MCP Discovery](https://resend.com/.well-known/mcp.json)\n\n## Skills\n\nBest practices for building and sending emails with agents.\n\n- [Skills Discovery](https://resend.com/.well-known/agent-skills/index.json)\n- [Resend](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/resend/SKILL.md)\n- [React Email](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/react-email/SKILL.md)\n- [Email Best Practices](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/email-best-practices/SKILL.md)\n- [Resend CLI](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/resend-cli/SKILL.md)\n- [Agent Email Inbox](https://raw.githubusercontent.com/resend/resend-skills/refs/heads/main/skills/agent-email-inbox/SKILL.md)\n\n## Documentation\n\nThe llms.txt file containing all Resend documentation.\n\n- [Full documentation](https://resend.com/docs/llms.txt)\n\n## OpenAPI spec\n\nThe full OpenAPI 3.0 specification for the Resend API.\n\n- [OpenAPI spec (YAML)](https://resend.com/openapi.yaml)\n- [OpenAPI spec (JSON)](https://resend.com/openapi.json)\n\n## Pricing\n\nPlans, features, and cost-per-email for transactional and marketing emails.\n\n- [Pricing (Markdown)](https://resend.com/pricing.md)\n- [Pricing (HTML)](https://resend.com/pricing)\n\n## SDKs\n\nThe official libraries maintained by the Resend team for each platform.\n\n- [Node.js](https://github.com/resend/resend-node)\n- [Python](https://github.com/resend/resend-python)\n- [PHP](https://github.com/resend/resend-php)\n- [Ruby](https://github.com/resend/resend-ruby)\n- [Go](https://github.com/resend/resend-go)\n- [Java](https://github.com/resend/resend-java)\n- [Laravel](https://github.com/resend/resend-laravel)\n- [Rust](https://github.com/resend/resend-rust)\n- [.NET](https://github.com/resend/resend-dotnet)",
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},
{
"id": "nextjs",
"label": "Next.js",
"language": "typescript",
"filename": "app/page/route.ts",
"code": "// Next.js App Router — Route Handler returning Markdown\nimport { NextRequest } from 'next/server';\nimport { renderMarkdown } from '@/lib/md';\nexport async function GET(req: NextRequest) {\n const accept = req.headers.get('accept') || '';\n if (accept.includes('text/markdown')) {\n return new Response(await renderMarkdown('page'), {\n headers: {\n 'Content-Type': 'text/markdown; charset=utf-8',\n 'Vary': 'Accept',\n },\n });\n }\n // Fall through to the page component\n return new Response(null, { status: 404 });\n}"
},
{
"id": "wordpress",
"label": "WordPress",
"language": "php",
"filename": "functions.php",
"code": "<?php\n// Mechanism 1: respond to Accept: text/markdown on the same URL\nadd_action('template_redirect', function () {\n if (!is_singular()) return;\n $accept = $_SERVER['HTTP_ACCEPT'] ?? '';\n if (strpos($accept, 'text/markdown') === false) return;\n header('Content-Type: text/markdown; charset=utf-8');\n header('Vary: Accept');\n $post = get_queried_object();\n echo \"# \" . get_the_title($post) . \"\\n\\n\";\n echo wp_strip_all_tags(apply_filters('the_content', $post->post_content));\n exit;\n});"
},
{
"id": "static",
"label": "Hugo / Jekyll / Astro",
"language": "txt",
"filename": "static/page.md",
"code": "# Mechanism 2: serve .md alongside .html\n# Hugo: place page.md in /static/ — built unchanged\n# Jekyll: drop page.md in /assets/ — copied as-is\n# Astro: src/pages/page.md.ts that exports a GET returning markdown\n\n# Then advertise with mechanism 3 in <head>:\n# <link rel=\"alternate\" type=\"text/markdown\" href=\"/page.md\">"
}
]
}
]
}APIを使用してプログラムで取得できます（近日公開）
このJSONは内部使用向けです — MarkdownやllMs.txtファイルとは異なり、サイトにアップロードするものではありません。スコアの経時変化を追跡するための基準値として保存するか、開発チームと共有するか、CI/CDパイプラインに統合してください。
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Markdown
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