generated: '2026-07-21' method: searched source: https://docs.singlefile.ai/docs/api-basics format: custom-envelope envelope: success: boolean error: code: string message: string validation_errors: object (field -> messages) example: success: false error: code: VALIDATION_ERROR message: Invalid order ID validation_errors: non_field_errors: - Invalid order ID errors: - code: VALIDATION_ERROR http_status: 400 meaning: Request payload failed validation remediation: Inspect validation_errors for the offending fields - code: NOT_FOUND http_status: 404 meaning: Requested resource does not exist remediation: Verify the resource id - code: UNAUTHORIZED http_status: 401 meaning: Missing or expired bearer token remediation: Obtain a fresh token from /o/token/ - code: RATE_LIMITED http_status: 429 meaning: Rate limit exceeded remediation: Back off; default 1000 req/hr, 60 req/min burst note: Codes VALIDATION_ERROR and NOT_FOUND are documented verbatim; UNAUTHORIZED/RATE_LIMITED inferred from documented auth + rate-limit behavior.