Overview
Speech-to-text endpointsAvailable Operations
- create_transcription - Create transcription
create_transcription
Transcribes audio into text. Accepts base64-encoded audio input and returns the transcribed text.Example Usage
Parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
input_audio | components.STTInputAudio | :heavy_check_mark: | Base64-encoded audio to transcribe | { “data”: “UklGRiQA…”, “format”: “wav” } |
model | str | :heavy_check_mark: | STT model identifier | openai/whisper-large-v3 |
http_referer | Optional[str] | :heavy_minus_sign: | The app identifier should be your app’s URL and is used as the primary identifier for rankings. This is used to track API usage per application. | |
x_open_router_title | Optional[str] | :heavy_minus_sign: | The app display name allows you to customize how your app appears in OpenRouter’s dashboard. | |
x_open_router_categories | Optional[str] | :heavy_minus_sign: | Comma-separated list of app categories (e.g. “cli-agent,cloud-agent”). Used for marketplace rankings. | |
language | Optional[str] | :heavy_minus_sign: | ISO-639-1 language code (e.g., “en”, “ja”). Auto-detected if omitted. | en |
provider | Optional[components.STTRequestProvider] | :heavy_minus_sign: | Provider-specific passthrough configuration | |
temperature | Optional[float] | :heavy_minus_sign: | Sampling temperature for transcription | 0 |
retries | Optional[utils.RetryConfig] | :heavy_minus_sign: | Configuration to override the default retry behavior of the client. |
Response
components.STTResponseErrors
| Error Type | Status Code | Content Type |
|---|---|---|
| errors.BadRequestResponseError | 400 | application/json |
| errors.UnauthorizedResponseError | 401 | application/json |
| errors.PaymentRequiredResponseError | 402 | application/json |
| errors.NotFoundResponseError | 404 | application/json |
| errors.TooManyRequestsResponseError | 429 | application/json |
| errors.InternalServerResponseError | 500 | application/json |
| errors.BadGatewayResponseError | 502 | application/json |
| errors.ServiceUnavailableResponseError | 503 | application/json |
| errors.EdgeNetworkTimeoutResponseError | 524 | application/json |
| errors.ProviderOverloadedResponseError | 529 | application/json |
| errors.OpenRouterDefaultError | 4XX, 5XX | */* |