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All API requests (except signup and health) require authentication via Bearer token.

Authentication Header

Include your API key in the Authorization header:

Example Request

API Key Format

Saturn API keys follow this format:
  • sk_ — Secret key prefix
  • agt_ — Agent key identifier
  • [32 chars] — Unique identifier

Getting an API Key

Option 1: Signup (New Account)

Response:

Option 2: Create Agent (Existing Account)

Error Responses

401 Unauthorized

Missing or invalid API key:

403 Forbidden

Valid key but agent is killed or lacks permission: