html:not(.dark) .codeblock-light .line-highlight:after,
html:not(.dark) .codeblock-light .line-highlight {
  background: #00cc9937;
}

html:not(.dark) .codeblock-light .line-highlight:after,
html:not(.dark) .codeblock-light .line-highlight:before {
  background: #00cc9937;
}

html.dark .line-highlight,
html:not(.dark) .codeblock-dark .line-highlight {
  background: #00fff61d;
}

html.dark .line-highlight:after,
html.dark .line-highlight:before,
html:not(.dark) .codeblock-dark .line-highlight:after,
html:not(.dark) .codeblock-dark .line-highlight:before {
  background: #00fff61d;
}

html.dark .line-highlight:before,
html:not(.dark) .codeblock-dark .line-highlight:before {
  border-color: #4cd7b8;
}

html:not(.dark) .codeblock-light .line-highlight:before {
  border-color: #55d799;
}


module.exports = {
  quoteProps: 'consistent',
  singleQuote: true,
  trailingComma: 'all',
  printWidth: 80,
  useTabs: false,
  bracketSpacing: true,
};


const fs = require('fs');

const eventPath = process.env.GITHUB_EVENT_PATH;
const eventJson = JSON.parse(fs.readFileSync(eventPath, 'utf8'));
const prTitle = eventJson.pull_request.title;
const action = eventJson.action;

const isValidType = (title) =>
  /^(feat|fix|chore|refactor)($[a-zA-Z0-9-]+$)?:\s[A-Z].*$/.test(title);

const validateTitle = (title) => {
  if (!isValidType(title)) {
    console.error(
      `PR title does not follow the required format.
      example: "type: My PR Title"
      
      - type: "feat", "fix", "chore", or "refactor"
      - First letter of the PR title needs to be uppercased
      `,
    );
    process.exit(1);
  }

  console.log('PR title is valid');
};

validateTitle(prTitle);


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Introduction

Learn how to send your first email using the Resend Node.js SDK.

Learn how to send your first email using Next.js and the Resend Node.js SDK.

Next.js

Learn how to send your first email using Remix and the Resend Node.js SDK.

Remix

Learn how to send your first email using Nuxt and the Resend Node.js SDK.

Nuxt

Learn how to send your first email using Express and the Resend Node.js SDK.

Express

Learn how to send your first email using Redwood.js and the Resend Node.js SDK.

RedwoodJS

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Hono

Learn how to send your first email using Bun and the Resend Node.js SDK.

Learn how to send your first email using Vercel Functions.

Vercel Functions

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Supabase Edge Functions

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Cloudflare Workers

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Deno Deploy

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AWS Lambda

Learn how to send your first email using the Resend PHP SDK.

Learn how to send your first email using Laravel.

Laravel

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Symfony

Learn how to send your first email using the Resend Ruby SDK.

Learn how to send your first email using Rails and the Resend Ruby SDK.

Ruby and Rails

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Sinatra

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Learn how to send your first email using Flask and the Resend Python SDK.

Flask

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FastAPI

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Learn how to send your first email using the Resend Rust SDK.

Send your first email using Axum and the Resend Rust SDK.

Axum

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Phoenix

Learn how to send your first email using the Resend Java SDK.

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Auth0

Auth0 with SMTP

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Customer.io

Customer.io with SMTP

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Django

Django with SMTP

Learn how to send your first email using Laravel with SMTP.

Laravel with SMTP

Learn how to integrate Liferay with Resend SMTP.

Liferay

Liferay with SMTP

Learn how to send your first email using Nodemailer with SMTP.

Nodemailer

Nodemailer with SMTP

Learn how to integrate Rails with Resend SMTP.

Rails

Rails with SMTP

Learn how to integrate Retool with Resend SMTP.

Retool

Retool with SMTP

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Supabase

Supabase with SMTP

Learn how to send your first email using Wordpress.

WordPress

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NextAuth

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Metabase

Metabse with SMTP

Understand general concepts, response codes, and authentication strategies.

Troubleshoot problems with this comprehensive breakdown of all error codes.

Errors

Start sending emails through the Resend Email API.

Send Email

Send Batch Emails

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Cancel Email

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Create Domain

Retrieve a single domain for the authenticated user.

Retrieve Domain

Verify Domain

Update Domain

Retrieve a list of domains for the authenticated user.

List Domains

Delete Domain

Add a new API key to authenticate communications with Resend.

Create API key

Retrieve a list of API keys for the authenticated user.

List API keys

Delete API key

Create a new broadcast to send to your audience.

Create Broadcast

Start sending broadcasts to your audience through the Resend API.

Send Broadcast

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Retrieve Audience

Delete Audience

List Audiences

Create Contact

Retrieve a single contact from an audience.

Retrieve Contact

Update Contact

Remove an existing contact from an audience.

Delete Contact

List Contacts

Visualize all the email on the Resend Dashboard.

Attachments

Send emails at a specific time without additional complexity.

Schedule Email

Simulate different events by sending test emails.

Send Test Emails

Customize how emails are sent with your own headers.

Custom Headers

Understanding and resolving delivery issues.

Email Bounces

Use high quality, unstyled components for your transactional emails using React and Typescript

Email Templates

Improve your deliverability with tailored insights based on your sending.

Deliverability Insights

Learn how to give email recipients the ability to unsubscribe without searching for the unsubscribe link.

Unsubscribe Link

Add an unsubscribe link to transactional emails

DMARC

Setting up BIMI to become a verified sender and show your logo from the inbox.

BIMI

Resend offers sending from multiple regions

Regions

Choosing a Region

Verify your domain on Route 53 with Resend.

AWS Route 53

Verify your domain on Cloudflare with Resend.

Cloudflare

Verify your domain on Namecheap with Resend.

Namecheap

Verify your domain on Vercel with Resend.

Vercel

Visualize all the API Keys on the Resend Dashboard.

Use webhooks to notify your application about email events.

List of supported event types and their payload.

Event types

Learn how to use the signing secret to verify your webhooks.

Verify Webhooks Requests

Learn how to add, update, retrieve, and remove contacts that you send Broadcasts to.

How to manage and import contacts to your audiences.

Contacts

Learn how to check and remove recipients who have unsubscribed to your marketing emails.

Subscriptions

Managing Unsubscribed Contacts

Send marketing emails efficiently without code.

Track your Broadcasts email performance in real-time

Performance Tracking

Explore sample apps for different use cases.

Examples

Open source client libraries for your favorite platforms.

SDKs

An overview of Resend security features and practices.

Security

Integrate Resend with the tools you already use.

Integrations

A collection of answers to frequently asked questions.

Resend does not offer the functionality to receive email but there are a few workarounds that could help.

Receiving Emails

Can I receive emails with Resend?

A workaround for joining different teams.

Joining Multiple Teams

How can I join multiple teams?

When are Dedicated IPs helpful, and how can they be requested.

How do Dedicated IPs work?

Learn why your emails land on the Suppression List and how to remove them.

Managing the Suppression List

Why are my emails landing on the Suppression List?

Learn how to avoid conflicts with your existing MX records when setting up a Resend domain.

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