Reference topics

This section provides more detailed information about objects used in the gRPC API.

Status codes

HTTP status codes.

Supported fields and defaults

Fields with defaults in SynthesisRequest.

Voice filters

Filtering the list of voices returned by GetVoices.

Input to synthesize: Text or SSML

Details on the types of input supported: plain text or SSML.

Tuning resources

Information on custom lexicons and prerecorded audio prompts.