STT (Speech-to-Text)

Available in Classic and VPC

Accept speech data in MP3, AAC, AC3, OGG, FLAC, and WAV formats, as well as the language to be used for speech recognition, and convert the recognition results to text.

Request

The following describes the request format for the endpoint. The request format is as follows:

Request headers

For headers common to all CLOVA Speech Recognition (CSR) APIs, see Common CLOVA Speech Recognition (CSR) headers.

Request query parameters

The following describes the request query parameters.

Request body

The following describes the request body.

Request example

The following is a sample request.

curl --location --request POST 'https://naveropenapi.apigw.ntruss.com/recog/v1/stt
?lang=Kor' \
--header 'X-NCP-APIGW-API-KEY-ID: {Client ID issued when registering the app}' \
--header 'X-NCP-APIGW-API-KEY: {Client secret issued when registering the app}' \
--header 'Content-Type: application/octet-stream' \
--data '@{file}'

Response

The following describes the response format.

Response body

The following describes the response body.

Response status codes

For response status codes common to all CLOVA Speech Recognition (CSR) APIs, see Common CLOVA Speech Recognition (CSR) response status codes.

Response example

The following is a sample example.

{
    "text": "Hello,"
}