generated: '2026-09-03' method: searched source: openapi/mediacaption-api-openapi.yaml + https://www.mediacaption.io/docs/authentication docs: https://www.mediacaption.io/docs/authentication summary: types: - apiKey - http api_key_in: - header key_format: mc_live_ prefix; live keys only — no test-mode key prefix is published key_management: Keys are created in the platform dashboard and shown once at creation. precedence: When both headers are present, bearer authentication takes precedence. failure_modes: - code: missing_api_key status: 401 when: no key is sent - code: invalid_api_key status: 401 when: malformed, unknown, or revoked keys schemes: - name: bearerApiKey type: http scheme: bearer bearerFormat: Media Caption API key description: 'Use `Authorization: Bearer mc_live_xxx`.' sources: - openapi/mediacaption-api-openapi.yaml - https://www.mediacaption.io/docs/authentication - name: headerApiKey type: apiKey in: header parameter: X-API-Key description: Alternative API key header. sources: - openapi/mediacaption-api-openapi.yaml - https://www.mediacaption.io/docs/authentication