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POST
Convert Audio to Text

Authorizations

Authorization
string
header
required

API Key authentication. For all API requests, include your API Key in the Authorization HTTP Header, prefixed with Bearer. Example: Authorization: Bearer {API_KEY}. Strongly recommend storing your API Key on the server-side, not shared or stored on the client-side, to avoid possible API-Key leakage that can lead to serious consequences. Requests with a missing or invalid API key fail with HTTP 401 and error code unauthorized.

Body

multipart/form-data

Request body for audio-to-text conversion.

file
file
required

Audio file. Validated by MIME type: audio/mp3, audio/m4a, audio/wav, audio/amr, or audio/mpga. Limit: 30 MB.

user
string

User identifier.

Response

Successfully converted audio to text.

text
string

Output text from speech recognition.

Last modified on July 9, 2026