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Last updated Jun 3, 2026

n8n community node for Lettr transactional email APIs

191 Weekly Downloads
585 Monthly Downloads

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Description

n8n-nodes-lettr

This package provides a verified-style n8n community node for Lettr.

Logo

  • Source logo file (edit this): assets/logo.svg
  • n8n node icon file (auto-generated from source on build): nodes/Lettr/lettr.svg
  • To apply your custom SVG logo:

    npm run sync:logo
    npm run build
    

    Supported resources and operations

  • Email
  • – Send
    – Get

  • Domain
  • – Get Many

  • Template
  • – Get Many

  • Webhook
  • – Get Many

  • Campaign
  • – Get Many, Get, Get Events, Send, Schedule, Unschedule

  • Audience Contact
  • – Get Many, Get, Create, Create Many, Update, Delete, Attach/Detach List, Bulk Attach/Detach Lists, Subscribe/Unsubscribe Topic

  • Audience List
  • – Get Many, Get, Create, Update, Delete, Delete Many

  • Audience Topic
  • – Get Many, Get, Create, Update, Delete

  • Audience Property
  • – Get Many, Get, Create, Update, Delete

  • Audience Segment
  • – Get Many, Get, Create, Update, Delete

    Credentials

    Use a Lettr API key from your Lettr account.

  • Credential type: Lettr API
  • Auth header: Authorization: Bearer
  • Build

    npm install
    npm run build
    

    Local n8n install

    npm install /absolute/path/to/n8n-nodes-lettr
    

    Then restart n8n.

    Notes for community verification

  • Uses official Lettr REST endpoints at https://app.lettr.com/api
  • Includes credential test call (GET /domains)
  • Includes pagination controls for list operations
  • Runtime has no third-party dependencies
  • API references used

  • Lettr API introduction
  • Send email
  • Get email request
  • List domains
  • List templates
  • List webhooks
  • Audience API