---
title: "Update agent voice"
method: PUT
path: "/api/v1/public/agents/{agent_id}/voice"
tags: ["public"]
---

# Update agent voice

`PUT /api/v1/public/agents/{agent_id}/voice`

Change a workspace-owned agent to a stable listed voice profile and return a business-readable diff.

## Path parameters

- `agent_id` string, required

## Headers

- `Idempotency-Key` string, required

## Request body

- VoiceUpdateRequest
  - `reason` string, nullable
  - `voiceId` string, required

## Response `200`

Successful Response

- ConfigurationActionResult
  - `action` string, required
  - `resourceId` string, required
  - `resourceName` string, required
  - `changed` boolean, required
  - `changes` object, required
  - `appUrl` string, required

## Other responses

- `422` — Validation Error

## Changes

- **2026-08-21** `2a1adc380310` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/outcallerai/apis/fastapi/changes/api/v1/public/agents/:agent_id/voice/put.md)

---

[API](https://skmtc.dev/outcallerai/apis/fastapi.md) · [All operations](https://skmtc.dev/outcallerai/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/outcallerai/fastapi/revisions/6155db644bab/schema)