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Cartesia

Cartesia provides advanced text-to-speech services with customizable voice models.

Endpoint

https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/cartesia

URL Structure

When making requests to Cartesia, replace https://api.cartesia.ai/v1 in the URL you are currently using with https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/cartesia.

Prerequisites

When making requests to Cartesia, ensure you have the following:

  • Your AI Gateway Account ID.
  • Your AI Gateway gateway name.
  • An active Cartesia API token.
  • The model ID and voice ID for the Cartesia voice model you want to use.

Example

cURL

Request
curl https://gateway.ai.cloudflare.com/v1/{account_id}/{gateway_id}/cartesia/tts/bytes \
--header 'Content-Type: application/json' \
--header 'Cartesia-Version: 2024-06-10' \
--header 'X-API-Key: {cartesia_api_token}' \
--data '{
"transcript": "Welcome to Cloudflare - AI Gateway!",
"model_id": "sonic-english",
"voice": {
"mode": "id",
"id": "694f9389-aac1-45b6-b726-9d9369183238"
},
"output_format": {
"container": "wav",
"encoding": "pcm_f32le",
"sample_rate": 44100
}
}