Self-Hosted Email API

Send Emails
Like a Pro

A powerful RESTful API for sending emails from your applications. Similar to SendGrid or Mailgun, but completely self-hosted and free.

Why Choose Mailing API?

Everything you need to send emails from your applications

Queue-based async processing with Redis for instant API responses

SHA-256 hashed API keys, rate limiting, and full ownership of your data

Clean, intuitive API design with OpenAPI/Swagger documentation

Send rich HTML emails or plain text, with CC/BCC support

Configurable per-application rate limits to protect your infrastructure

Track all sent emails with status, timestamps, and error messages

Just a simple HTTP request away from sending emails

POST /api/v1/emails JSON

{
  "recipient_email": "user@example.com",
  "subject": "Welcome!",
  "body_html": "Welcome to our platform!",
  "sender_name": "My App"
}

Headers: X-API-Secret: your_api_key