generated: '2026-07-11' method: derived source: openapi/play-ht-openapi.yml summary: types: - apiKey api_key_in: - header schemes: - name: apiKey type: apiKey in: header parameter: AUTHORIZATION description: Secret API key generated in the PlayHT studio. sources: - openapi/play-ht-openapi.yml - name: userId type: apiKey in: header parameter: X-USER-ID description: PlayHT user identifier paired with the API key. sources: - openapi/play-ht-openapi.yml