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Developers

Developer Overview

Integrate with the SendLit REST API.

The SendLit REST API is defined by the shared @sendlit/api-contract package. The server, typed web client, and generated API reference are all derived from that contract.

Use the API reference for concrete request and response shapes.

For AI clients and agent workflows, connect to the SendLit MCP server instead of calling REST endpoints directly.

Suppressions

Understand addresses that SendLit will not send to.

Authentication

OAuth2, organization keys, and team API keys.