{
"model": "tts-1",
"input": "string",
"voice": "alloy",
"response_format": "mp3",
"speed": 1
}curl --location -g --request POST 'http://api.example.com/v1/audio/speech' \
--header 'Authorization: Bearer sk-xxx' \
--header 'Content-Type: application/json' \
--data-raw '{
"model": "tts-1",
"input": "string",
"voice": "alloy",
"response_format": "mp3",
"speed": 1
}'