1. Get Your API Key

   • Visit Resend Dashboard
   • Create a new API key with appropriate permissions
   • Copy the API key (starts with re_)

2. Add Credentials in n8n

   • Go to Credentials → Add credential
   • Search for "Resend API"
   • Paste your API key
   • Test the connection
   • Save the credential

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Use different API keys for development and production environments

Send Email

Send individual emails with rich content and attachments.

Key Features:

• ✅ HTML and plain text content
• ✅ File attachments (binary data or URLs)
• ✅ CC/BCC recipients
• ✅ Custom reply-to addresses
• ✅ Email scheduling

Example Use Cases:

• Welcome emails for new users
• Invoice delivery with PDF attachments
• Password reset notifications
• Marketing campaigns

Send Batch Emails

Send up to 100 emails in a single API call for better performance.

Key Features:

• ✅ Bulk email sending
• ✅ Individual customization per email
• ✅ Better rate limiting
• ⚠️ No attachment support (API limitation)

Email Management

• Retrieve Email – Get email details and status
• Cancel Email – Cancel scheduled emails
• Update Email – Modify scheduled emails

Contacts

• Create Contact – Add new contacts to audiences
• Get Contact – Retrieve contact information
• Update Contact – Modify contact details
• Delete Contact – Remove contacts from audiences
• List Contacts – Get all contacts in an audience

Audiences

• Create Audience – Set up new email lists
• Get Audience – Retrieve audience details
• List Audiences – Get all your audiences
• Delete Audience – Remove email lists

Domain Management

• Add Domain – Register new sending domains
• Verify Domain – Check domain verification status
• Get Domain – Retrieve domain configuration
• Update Domain – Modify domain settings
• Delete Domain – Remove domains

API Keys

• Create API Key – Generate new API keys
• List API Keys – View existing keys
• Delete API Key – Revoke access keys

• Create Broadcast – Set up email campaigns
• Get Broadcast – Retrieve campaign details
• Send Broadcast – Launch email campaigns
• Update Broadcast – Modify campaign settings

• email.sent – Email successfully sent
• email.delivered – Email delivered to recipient
• email.opened – Recipient opened the email
• email.clicked – Link clicked in email
• email.bounced – Email bounced
• email.complained – Spam complaint received
• contact.created – New contact added
• contact.updated – Contact information changed
• contact.deleted – Contact removed

# Example workflow: Send invoice email with PDF attachment
Workflow:
  1. HTTP Request Node (trigger)
  2. Code Node (generate invoice data)
  3. HTML/CSS to PDF Node (create PDF)
  4. Resend Node (send email with attachment)

Resend Node Configuration:
  - Resource: Email
  - Operation: Send
  - From: billing@yourcompany.com
  - To: {{ $json.customerEmail }}
  - Subject: Your Invoice #{{ $json.invoiceNumber }}
  - Attachments:
    - Type: Binary Data
    - Binary Property: data
    - Filename: invoice-{{ $json.invoiceNumber }}.pdf

# Example: Weekly newsletter automation
Workflow:
  1. Cron Trigger (weekly)
  2. Database Node (fetch newsletter content)
  3. Resend Node (create broadcast)
  4. Resend Node (send to audience)

Benefits:
  - Automated scheduling
  - Audience segmentation
  - Performance tracking

# Example: Handle bounced emails
Trigger: Resend Trigger Node
  - Event: email.bounced
  
Actions:
  1. Database Node (log bounce)
  2. Resend Node (remove from audience)
  3. Slack Node (notify team)

Best Practices

• ✅ Always verify your sending domains
• ✅ Use appropriate API key permissions
• ✅ Handle webhook events for better deliverability
• ✅ Implement proper error handling
• ✅ Monitor email metrics and bounce rates

Rate Limits

• Single emails: Standard Resend rate limits apply
• Batch emails: More efficient for bulk sending
• API calls: Respect Resend's rate limiting

# Clone the repository
git clone https://github.com/your-repo/n8n-nodes-resend.git

# Install dependencies
npm install

# Build the project
npm run build

# Run linting
npm run lint

# Run tests
npm test

Project Structure

├── credentials/
│   └── ResendApi.credentials.ts
├── nodes/
│   └── Resend/
│       ├── Resend.node.ts
│       ├── ResendTrigger.node.ts
│       └── icons/
└── package.json

• Documentation: Resend API Docs
• Issues: GitHub Issues
• n8n Community: n8n Community Forum
• Discord: n8n Discord Server