---
title: "Transcribe audio files using the ElevenLabs SDK-compatible endpoint. Returns transcript with word-level timestamps. Accepts WAV, MP3, FLAC, MP4/M4A, OGG, and WebM."
method: POST
path: "/allmodels/el/v1/speech-to-text"
tags: ["AllModels"]
---

# Transcribe audio files using the ElevenLabs SDK-compatible endpoint. Returns transcript with word-level timestamps. Accepts WAV, MP3, FLAC, MP4/M4A, OGG, and WebM.

`POST /allmodels/el/v1/speech-to-text`

## Request

- Base URL: `https://api.orthogonal.com/mpp`
- URL: `https://api.orthogonal.com/mpp/allmodels/el/v1/speech-to-text`
- Auth: none declared
- TypeScript: <https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/docs/allmodels/el/v1/speech-to-text/post.ts> (a function with typed inputs; its response is checked against the schema)

## Request body

- object
  - `file` string, required: Audio file to transcribe (binary upload)
  - `model_id` string: Model ID, e.g. 'scribe_v1'
  - `language_code` string: Language code, e.g. 'en'

## Response `200`

Successful response

## Other responses

- `402`: Payment Required (x402 / MPP / np)

## Changes

- **2026-11-08** `857e915717f4`: 1 breaking
  - added required request body
- **2026-09-22** `f80c0aab1f7c`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/changes/allmodels/el/v1/speech-to-text/post.md)

---

[API](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace.md) - [All operations](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/llms.txt) - [OpenAPI document](https://skmtc.dev/orthogonal/apis/orthogonal-api-marketplace/revisions/f89fb77710bc?raw)