Infill (Bytes)
Authentication
Headers
Request
Required for raw
and wav
containers.
Required for mp3
containers.
Either a number between -1.0 and 1.0 or a natural language description of speed.
If you specify a number, 0.0 is the default speed, -1.0 is the slowest speed, and 1.0 is the fastest speed.
An array of emotion:level tags.
Supported emotions are: anger, positivity, surprise, sadness, and curiosity.
Supported levels are: lowest, low, (omit), high, highest.