AsyncFlow API
  1. Voice Management
AsyncFlow API
  • Welcome to AsyncFlow API
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  • API Reference
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    • Voice Management
      • Clone Voice
        POST
      • List Voices
        POST
      • Get Voice
        GET
      • Update Voice
        PUT
      • Delete Voice
        DELETE
      • Get Voice Preview
        GET
  • Advanced Guides
    • Custom Pronunciations
      • Embedding Custom Phonemes in Async TTS API
      • Pronouncing digits one‑by‑one
  • Integrations
    • Integrate with Twilio
    • Pipecat Integration
  1. Voice Management

List Voices

POST
https://api.async.ai/voices
List the available voices from the voice library

Request

Header Params

Body Params application/json

Examples

Responses

🟢200Success
application/json
Body

🟠429RATE_LIMIT_EXCEEDED
🟠401INVALID_API_KEY
🟠404VERSION_NOT_FOUND
🔴500Server Error
Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request POST 'https://api.async.ai/voices' \
--header 'x-api-key: <api-key>' \
--header 'version: v1' \
--header 'Content-Type: application/json' \
--data-raw '{
    "limit": 10
}'
Response Response Example
200 - Example 1
{
    "voices": [
        {
            "voice_id": "voice_id_1",
            "voice_type": "PREDEFINED",
            "name": "Voice 1",
            "description": "Happy male voice with british accent",
            "created_at": "2025-03-30T11:15:32Z",
            "updated_at": "2025-03-30T11:15:32Z",
            "language": "en",
            "gender": "male"
        },
        {
            "voice_id": "voice_id_2",
            "vocie_type": "CUSTOM",
            "name": "Voice 2",
            "description": "Sad female voice with british accent",
            "created_at": "2025-03-30T12:15:52Z",
            "updated_at": "2025-03-30T12:15:52Z",
            "language": "en",
            "gender": "female"
        }
    ],
    "next_cursor": "voice_id_3"
}
Modified at 2025-08-29 15:06:43
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