curl -X PATCH 'https://api.elevenlabs.io/v1/convai/tags/tag-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "title": "string",
  "description": "string"
}'

# PATCH /v1/convai/tags/{tag_id} (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> Update Conversation Tag

## Critical Gotchas
* Authentication uses the non-standard `xi-api-key` header, not `Authorization: Bearer`. Sending a Bearer token returns HTTP 401.
* Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (`--output speech.mp3`) rather than parsing it.

## cURL
curl -X PATCH 'https://api.elevenlabs.io/v1/convai/tags/tag-id' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"title":"string","description":"string"}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| tag_id | path | string | Yes | path parameter tag_id. |
| title | body | string | No | If provided, replaces the tag title. Omit to leave unchan... |
| description | body | string | No | If provided, replaces the tag description. Omit to leave... |

## Response (200 OK)
{"tag_id":"string","workspace_id":"string"}

---
Need an API key? Get one at https://elevenlabs.io/app/sign-up

PATCH

/v1/convai/tags/{tag_id}

ElevenLabs API

Update Conversation Tag

Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03 · upstream hash matched

Actions

Agents: curl -H "Accept: text/markdown" this URL
→ 216 tokens · Vary: Accept

Critical gotchas

Authentication uses the non-standard xi-api-key header, not Authorization: Bearer. Sending a Bearer token returns HTTP 401.

Text-to-speech responses are raw binary audio, not JSON. Write the body to a file (--output speech.mp3) rather than parsing it.

cURL

curl -X PATCH 'https://api.elevenlabs.io/v1/convai/tags/tag-id' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "title": "string",  "description": "string"}'

Get a free ElevenLabs API key → sponsored

Parameters

Name	In	Type	Required	Description
tag_id	path	string	Yes	path parameter tag_id.
title	body	string	No	If provided, replaces the tag title. Omit to leave unchanged.
description	body	string	No	If provided, replaces the tag description. Omit to leave unchanged.

Response 200 OK

{
  "tag_id": "string",
  "workspace_id": "string",
  "owner_user_id": "string",
  "title": "string",
  "description": "string",
  "created_at_unix_secs": 0
}