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The API is read-only and reuses the exact same core as the MCP server: identical data, identical access rules. API access is available during the 14-day trial and while a paid subscription is active. It stops when an unpaid trial ends.

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Base URL

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Authentication

Create an API key in the app under Integrations → API & agents, then send it as a bearer token:
Keys are shown once and stored hashed. Rotate or revoke them from the same screen; revoked keys fail on the next request.

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Endpoints

The generated reference with full schemas is in the API Reference tab.

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Conventions

  • JSON only, UTC ISO-8601 timestamps, snake_case fields.
  • Cursor pagination: pass next_cursor back as cursor.
  • 60 requests per minute per key; 429 includes Retry-After.
  • Errors: { "error": { "code": "…", "message": "…" } }.

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What the API never does

  • No writes: there is no endpoint that changes LeadFast or acts on Reddit.
  • No Suggested Reply publishing: the draft is data, the decision is yours.