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  • Overview
  • Available Operations
  • create_transcription
  • Example Usage
  • Parameters
  • Response
  • Errors
Python SDKAPI Reference

Transcriptions - Python SDK

Transcriptions method reference
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Speech - Python SDK

Speech method reference
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The Python SDK and docs are currently in beta. Report issues on GitHub.

Overview

Speech-to-text endpoints

Available Operations

  • create_transcription - Create transcription

create_transcription

Transcribes audio into text. Accepts base64-encoded audio input and returns the transcribed text.

Example Usage

1from openrouter import OpenRouter
2import os
3
4with OpenRouter(
5 http_referer="<value>",
6 x_open_router_title="<value>",
7 x_open_router_categories="<value>",
8 api_key=os.getenv("OPENROUTER_API_KEY", ""),
9) as open_router:
10
11 res = open_router.stt.create_transcription(input_audio={
12 "data": "UklGRiQA...",
13 "format_": "wav",
14 }, model="openai/whisper-large-v3", language="en")
15
16 # Handle response
17 print(res)

Parameters

ParameterTypeRequiredDescriptionExample
input_audiocomponents.STTInputAudio✔️Base64-encoded audio to transcribe{"data": "UklGRiQA...","format": "wav"}
modelstr✔️STT model identifieropenai/whisper-large-v3
http_refererOptional[str]➖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_titleOptional[str]➖The app display name allows you to customize how your app appears in OpenRouter’s dashboard.
x_open_router_categoriesOptional[str]➖Comma-separated list of app categories (e.g. “cli-agent,cloud-agent”). Used for marketplace rankings.
languageOptional[str]➖ISO-639-1 language code (e.g., “en”, “ja”). Auto-detected if omitted.en
providerOptional[components.STTRequestProvider]➖Provider-specific passthrough configuration
temperatureOptional[float]➖Sampling temperature for transcription0
retriesOptional[utils.RetryConfig]➖Configuration to override the default retry behavior of the client.

Response

components.STTResponse

Errors

Error TypeStatus CodeContent Type
errors.BadRequestResponseError400application/json
errors.UnauthorizedResponseError401application/json
errors.PaymentRequiredResponseError402application/json
errors.NotFoundResponseError404application/json
errors.TooManyRequestsResponseError429application/json
errors.InternalServerResponseError500application/json
errors.BadGatewayResponseError502application/json
errors.ServiceUnavailableResponseError503application/json
errors.EdgeNetworkTimeoutResponseError524application/json
errors.ProviderOverloadedResponseError529application/json
errors.OpenRouterDefaultError4XX, 5XX*/*