Venmail API Documentation

The developer-first email API with built-in agent trust verification.

Quickstart VVS-1 Trust Layer

Send Email

REST API and SMTP relay for transactional and bulk email with real-time delivery tracking.

VVS-1 Trust Layer

Ed25519 signed messages with verifiable agent identity. Know exactly who sent what.

Webhooks

Real-time delivery events, bounces, opens, and clicks pushed to your endpoint.

SDKs

Official Node.js and PHP SDKs with full TypeScript support.

Quick Example

curl -X POST https://m.venmail.io/api/v1/send/message \
  -H "X-Server-API-Key: your-api-key" \
  -H "Content-Type: application/json" \
  -d '{
    "to": ["[email protected]"],
    "from": "[email protected]",
    "subject": "Welcome!",
    "html_body": "<p>Thanks for signing up.</p>"
  }'

Base URL

All API requests use your Venmail server:

https://m.venmail.io/api/v1/

Authenticate with X-Server-API-Key header. Get your key from Venmail dashboard under Settings > API Keys.