Built for developers

Integrate email marketing into your application with our REST API. Full documentation, code examples and webhooks.

Token authentication

Secure Bearer token auth with scoped API keys per account.

JSON:API format

Consistent, predictable API responses following the JSON:API specification.

Real-time webhooks

Receive events for bounces, complaints, opens and clicks via configurable webhook endpoints.

Rate limiting

Fair rate limits per account with clear headers and retry-after information.

Get started quickly

Add a contact with a single API call.

terminal
curl -X POST https://api.euromailing.com/v1/contacts \
  -H "Authorization: Bearer em_live_..." \
  -H "Content-Type: application/json" \
  -d '{
    "contact": {
      "email": "jan@voorbeeld.nl",
      "first_name": "Jan",
      "last_name": "De Vries"
    }
  }'
201 application/json
{
  "data": {
    "id": "a1b2c3d4-...",
    "type": "contact",
    "attributes": {
      "email": "jan@voorbeeld.nl",
      "first_name": "Jan",
      "last_name": "De Vries",
      "subscribed_at": "2026-03-23T10:30:00Z"
    }
  }
}