Create
Create a new fine-tune
Authorizations
Cartesia API key (sk_car_...). Get one at play.cartesia.ai/keys.
Headers
API version header.
2026-03-01 "2026-03-01"
Body
Request to create a new fine-tune
Name for the new fine-tune
Description for the fine-tune
Language code for the fine-tune. Cannot be changed after training starts or completes.
Dataset ID containing training files
Optional accent applied to voices created from this fine-tune. Must be valid for language. Omit to leave unset. Cannot be changed after training starts or completes.
Khaleeji Arabic, Middle Eastern Arabic, Modern Standard Arabic Deprecated. Fine tunes are now trained on all supported models.
Response
Information about a fine-tune
Unique identifier for the fine-tune
Name of the fine-tune
Description of the fine-tune
Language code of the fine-tune
Model IDs compatible with this fine-tune
ID of the dataset used for fine-tuning
Current status of the fine-tune
created, training, completed, failed Optional accent applied to voices created from this fine-tune. Must be valid for language.
Khaleeji Arabic, Middle Eastern Arabic, Modern Standard Arabic Deprecated. Use supported_model_ids instead for models compatible with this fine tune.