curl -X POST 'https://api.elevenlabs.io/v1/convai/conversations/conversation-id/feedback' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{
  "feedback": "like"
}'

# POST /v1/convai/conversations/{conversation_id}/feedback (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-10-20

> Send Conversation Feedback

## 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 POST 'https://api.elevenlabs.io/v1/convai/conversations/conversation-id/feedback' \
  -H "xi-api-key: $ELEVENLABS_API_KEY" \
  -H 'Content-Type: application/json' \
  -d '{"feedback":"like"}'

## Parameters
| Name | In | Type | Required | Description |
| :--- | :--- | :--- | :--- | :--- |
| conversation_id | path | string | Yes | The id of the conversation you're taking the action on. |
| feedback | body | string | No | Either 'like' or 'dislike' to indicate the feedback for t... |

## Response (200 OK)
{}

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

POST

POST /v1/convai/conversations/{conversation_id}/feedback — ElevenLabs API

ElevenLabs API

Send Conversation Feedback

Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-10-20 · upstream hash matched

Actions Try in browser→

Agents: curl -H "Accept: text/markdown" this URL
→ 201 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 POST 'https://api.elevenlabs.io/v1/convai/conversations/conversation-id/feedback' \  -H "xi-api-key: $ELEVENLABS_API_KEY" \  -H 'Content-Type: application/json' \  -d '{  "feedback": "like"}'

Parameters

Name	In	Type	Required	Description
conversation_id	path	string	Yes	The id of the conversation you're taking the action on.
feedback	body	string	No	Either 'like' or 'dislike' to indicate the feedback for the conversation.

Response 200 OK

{}

Get a free ElevenLabs API key → sponsored

Affiliate link - we may earn a commission, at no extra cost to you.