VoicesListGEThttps://api.respeecher.com/v1/public/tts/en-rt/voicesList of available voices with IDs and metadata.HeadersX-API-KeystringRequiredResponseThis endpoint returns a list of objects.idstringgenderenum or nullAllowed values:femalemaleaccentstring or nullagestring or nullsampling_paramsobject or nullDefault sampling params for this voice. See also Sampling Params Guide.Show 8 properties