---

This is an n8n community node for Resend - a modern email API for developers. It lets you send transactional emails, manage contacts and segments, and send marketing broadcasts directly from your n8n workflows.

n8n is a fair-code licensed workflow automation platform.

Installation

Follow the installation guide in the n8n community nodes documentation.

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1. Go to Settings > Community Nodes
2. Click Install
3. Enter n8n-nodes-api-resend in the npm Package Name field
4. Click Install

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``bash
npm install n8n-nodes-api-resend
`

Configuration

1. Get your API key from Resend Dashboard
2. In n8n, create new Resend API credentials
3. Paste your API key

Nodes Included

This package includes two nodes:

1. Resend - Main node for sending emails, managing contacts, segments, broadcasts, topics, and templates
2. Resend Trigger - Webhook trigger to react to Resend events in real-time

Resources & Operations

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#### Email
- Send - Send a transactional email with attachments, templates, headers, and tags
- Send Batch - Send up to 100 emails in a single request
- List - List all sent emails with pagination
- Get - Retrieve a specific email by ID
- Cancel - Cancel a scheduled email
- Update - Update a scheduled email

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- Create - Create a new contact with custom properties
- List - List all contacts with pagination
- Get - Get a contact by ID or email
- Update - Update contact information
- Delete - Delete a contact
- Add to Segment - Assign a contact to a segment
- Remove from Segment - Remove a contact from a segment

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- Create - Create a new segment for organizing contacts
- List - List all segments
- Get - Get a specific segment
- Update - Update segment details
- Delete - Delete a segment

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- Create - Create a new broadcast email campaign
- List - List all broadcasts
- Get - Get a specific broadcast
- Update - Update broadcast content
- Send - Send a broadcast immediately or schedule for later
- Delete - Delete a broadcast (draft only)

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- Create - Create a new topic for email preferences
- List - List all topics
- Get - Get a specific topic
- Update - Update topic details
- Delete - Delete a topic

#### Template
- List - List all email templates
- Get - Get a specific template by ID or alias

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The Resend Trigger node allows you to react to events from Resend in real-time using webhooks.

#### Supported Events

Email Events:
- Email Sent - When an email is successfully sent
- Email Delivered - When an email is delivered to the recipient
- Email Delivery Delayed - When email delivery is delayed
- Email Opened - When a recipient opens an email
- Email Clicked - When a recipient clicks a link in an email
- Email Bounced - When an email bounces
- Email Complained - When a recipient marks an email as spam

Contact Events:
- Contact Created - When a new contact is created
- Contact Updated - When a contact is updated
- Contact Deleted - When a contact is deleted

Domain Events:
- Domain Created - When a new domain is created
- Domain Updated - When a domain is updated
- Domain Deleted - When a domain is deleted

#### Setup

1. Add the Resend Trigger node to your workflow
2. Copy the webhook URL from the node
3. Go to your Resend Webhooks settings
4. Create a new webhook and paste the URL
5. Copy the Webhook Signing Secret (starts with whsec_)
6. Paste the signing secret in the node configuration
7. Select the events you want to listen for
8. Activate your workflow

#### Security

The trigger automatically verifies webhook signatures using Svix to ensure requests come from Resend. This prevents unauthorized webhook calls.

Key Features

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The node provides smart dropdowns that automatically load:
- Segments - Select from your existing segments
- Domains - Choose from verified domains
- Topics - Pick topics for preference management
- Templates - Use your saved email templates

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Full support for email attachments:
- Binary data from previous nodes
- Inline images with Content-ID (CID) for embedding in HTML
- Multiple attachments per email
- Automatic base64 encoding
- Size validation (40MB limit)

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Dynamic template variable injection:
- Key-value pairs for template variables
- Automatic type detection (string/number)
- Support for Resend's variable syntax {{{VARIABLE_NAME}}}

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- Add custom email headers for advanced use cases
- Tag emails for tracking and categorization
- Support for List-Unsubscribe headers

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Schedule emails and broadcasts:
- Natural language: "in 1 hour", "tomorrow at 9am"
- ISO 8601 format: "2024-12-25T09:00:00Z"

Usage Examples

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1. Add Resend node to your workflow
2. Select Email resource
3. Select Send operation
4. Fill in From, To, Subject, and HTML fields

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1. Select Email > Send
2. Enable Use Template
3. Select your template from the dropdown
4. Add template variables as needed

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1. Use HTTP Request or Read Binary File node before Resend
2. In Resend node: Email > Send
3. Add Attachments
4. Set Binary Property to the name of your binary data (e.g., "data")
5. Optionally set filename and Content-ID for inline images

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1. Segment > Create - Create your audience segment
2. Contact > Create - Add contacts to your list
3. Contact > Add to Segment - Assign contacts to the segment
4. Broadcast > Create - Create your broadcast email
5. Broadcast > Send - Send to your segment

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1. Topic > Create - Create topics (e.g., "Newsletter", "Product Updates")
2. Email > Send - Include topicId when sending
3. Contacts can manage their preferences via unsubscribe page

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1. Resend Trigger - Configure webhook to listen for "Email Opened" events
2. IF Node - Check if email was opened more than once
3. Resend > Contact > Update - Tag contact as "highly engaged"
4. Automatically segment your most engaged subscribers

API Limits

- Attachments: Maximum 40MB total per email
- Batch Emails: Up to 100 emails per batch request
- Rate Limits: Varies by Resend plan

Resources

- Resend Documentation
- Resend API Reference
- n8n Community Nodes

License

MIT

Contributing

We welcome contributions! Please see CONTRIBUTING.md for detailed guidelines on:
- Development setup
- Code standards
- Pull request process
- Release workflow

Development

`bash


Install dependencies

npm install

Build

npm run build

Lint

npm run lint

Watch mode

npm run dev
``

Support

For bugs and feature requests, please create an issue.

Compatibility

This node has been tested with n8n version 1.0.0 and above.