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Unison Brain API (v1)

The raw HTTP API behind Unison - the SDK, CLI, and MCP server are all clients of it. Base URL https://brain.unisonlabs.ai, auth with a Bearer usk_ key, all paths under /v1.

unison-brain

The Unison Brain API is the product's primary surface. You can call it directly with curl and a usk_ key - the TypeScript SDK, Python SDK, CLI, and MCP server all wrap these same endpoints.

  • Base URL: https://brain.unisonlabs.ai
  • Version: every path is prefixed /v1
  • Auth: Authorization: Bearer usk_... - get a key
  • Errors: { "error": { "code": "snake_case", "message": "..." } }

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Authentication

auth endpoints of the Unison Brain API (v1).