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Overview

The Email Node integrates Resend email service into your workflows. Send transactional emails, notifications, and automated messages with dynamic content and personalization.

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Required Configuration

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Step 1: API Setup

Resend API Key
  • Get your key from resend.com/api-keys
  • Automatically validated when entered
  • Format: re_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

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Step 2: Email Configuration

From Email (Required) To Email (Required)
  • Recipient email address
  • Can be fixed or dynamic from connected nodes
Body Content (Required)
  • Email message content
  • Supports HTML or Plain Text
  • Can include dynamic variables, see How to Add Variables
  • Click “Show Preview” to see how your email will look to recipients

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Optional Configuration

Display Name
  • Sender name shown in inbox e.g. “Your Company Name”
Subject
  • Email subject line

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Value Input Modes

All fields support:
  • Fixed - Static hardcoded values
  • From args - Dynamic values from connected nodes or user input
  • Expression - Complex value transformations and calculations

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Template Variables

How to Add Variables: When you connect nodes to the Email Node, their outputs appear as draggable variable pills below the body editor:
  1. Drag & Drop - Grab a variable pill and drag it directly into your template where you want it
  2. Click to Append - Click a variable pill to add it at the end of your template
  3. Type Manually - Type ${variableName} syntax directly in the template
Available Variables:
  • ${full_result} - Complete output from the previous node
  • ${NodeName.fieldName} - Specific field from a connected node (e.g., ${Read Table 1.result})
Example HTML Template: 
<h1>Welcome ${userName}!</h1>
<p>Your email: ${email}</p>
<p>Order total: ${orderTotal}</p>
Example Plain Text Template: 
Welcome ${userName}!

Your email: ${email}
Order total: ${orderTotal}

Thanks for your purchase!

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Body Content Types

HTML - Full HTML formatting support
  • Rich text formatting
  • Images and links
  • CSS styling
  • Best for branded emails
Plain Text - Simple text-only emails
  • No formatting
  • Works on all email clients, including text-only readers
  • Best for system notifications and maximum compatibility

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Testing

  1. Sign up at resend.com (free plan available)
  2. Verify your sending domain in Resend dashboard
  3. Get your API key from resend.com/api-keys
  4. Configure your email node with the API key
  5. Send a test email to yourself to verify everything works

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Connections

Input Nodes:
  • Frontend Element nodes - Buttons to trigger emails
  • Query nodes - Fetch user data or email content
  • Other workflow nodes - Transform data before sending
Output Nodes:
  • Mutation nodes - Log email sends to database
  • Conditional nodes - Handle different outcomes
  • Other workflow nodes - Continue workflow after email

Agent Node

Generate personalized email content with AI

Stripe Node

Send payment and order confirmation emails