curl -X GET 'https://api.elevenlabs.io/v1/convai/llm/list' \
  -H "xi-api-key: $ELEVENLABS_API_KEY"

# GET /v1/convai/llm/list (ElevenLabs API)
Base URL: https://api.elevenlabs.io
Auth: xi-api-key: <ELEVENLABS_API_KEY>
Last verified: 2026-09-03

> List Available Llms

## 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 GET 'https://api.elevenlabs.io/v1/convai/llm/list' \
  -H "xi-api-key: $ELEVENLABS_API_KEY"

## Response (200 OK)
{"default_deprecation_config":{"fallback_complete_days":7,"fallback_complete_percentage":100},"llms":[{}]}

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

GET

/v1/convai/llm/list

ElevenLabs API

List Available Llms

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
→ 108 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 GET 'https://api.elevenlabs.io/v1/convai/llm/list' \  -H "xi-api-key: $ELEVENLABS_API_KEY"

Get a free ElevenLabs API key → sponsored

Parameters

No parameters.

Response 200 OK

{
  "default_deprecation_config": {
    "fallback_complete_days": 7,
    "fallback_complete_percentage": 100,
    "fallback_start_days": 14,
    "fallback_start_percentage": 25,
    "warning_start_days": 30
  },
  "llms": [
    {
      "is_checkpoint": false,
      "llm": "gemini-2.5-flash",
      "max_context_limit": 1048576,
      "max_tokens_limit": 8192,
      "supports_document_input": true,
      "supports_image_input": true,
      "supports_parallel_tool_calls": true
    }
  ]
}