curl --request POST \
--url 'https://api.unify.ai/v0/assistant/voice' \
--header "Authorization: Bearer $UNIFY_KEY" \
--header 'Content-Type: application/json' \
--data '{
"voice_id": "bf0a246a-8642-498a-9950-80c35e9276b5",
"name": "English Woman Calm 1",
"description": "Calm and relaxing voice of an english-speaking woman",
"gender": "female",
"language": "en",
"provider": "cartesia",
"is_preset": true
}'