API & MCP

Use Subsail from your own tools, and from AI assistants.

REST API

Subsail’s API lets you work with your subscription data outside the dashboard. Build custom workflows, connect other systems, or keep an internal tool in sync.

Create a read-only or read-write API key from Settings → API keys. Read-only keys can query; read-write keys are required for PATCH and POST.

Base URL

https://api.subsail.com

OpenAPI spec

https://subsail.com/openapi.json

Read the API reference →

MCP

The Subsail MCP server lets AI tools talk to your account. Ask an assistant about subscribers, check who is owed an issue, or look up a subscription without writing your own integration.

It exposes the same operations as the REST API. Clients such as Claude and Cursor handle OAuth when you add the server URL.

Server URL (Streamable HTTP)

https://mcp.subsail.com/mcp

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