---
title: "Forward uploaded audio to a realtime audio websocket or fallback Hydra websocket"
method: POST
path: "/v1/developer/{developer_id}/audio-to-audio"
tags: ["Developer Management"]
---

# Forward uploaded audio to a realtime audio websocket or fallback Hydra websocket

`POST /v1/developer/{developer_id}/audio-to-audio`

## Request

- Base URL: `https://api.oneinfer.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.oneinfer.ai/v1/developer/{developer_id}/audio-to-audio`
- Auth: HTTP bearer

Proxy uploaded audio to the primary realtime-audio websocket service if healthy;
otherwise fall back to Smallest Hydra speech-to-speech.

## Path parameters

- `developer_id` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/oneinfer/apis/oneinfer-apis.md) · [All operations](https://skmtc.dev/oneinfer/apis/oneinfer-apis/llms.txt) · [OpenAPI document](https://skmtc.dev/oneinfer/apis/oneinfer-apis/revisions/a49f22311a8f?raw)