Welcome to LDM API Documentation
Everything you need to integrate inbox-verified email delivery into your application or AI agent.
Quickstart
Send your first message in 5 minutes.
Authentication
API keys, bearer tokens, and security.
Sending
Send messages and track delivery.
Webhooks
Real-time delivery and reply notifications.
A2A Integration
Connect via Google's Agent2Agent protocol.
MCP Integration
Use LDM from Claude, Cursor, or any MCP client.