Text to speech
Turn written text into speech for read-aloud features, announcements, and voice content.
naad-tts-v2
One voice engine. Three ways to build.
Generate speech, transcribe audio, or connect a live voice conversation. Start with the capability your product needs.
Speech to text
Transcribe recordings for searchable notes, captions, and conversation review.
naad-stt-v1
Voice agents
Build live voice conversations with a system prompt and a realtime audio connection.
naad-sts-v1
Check model availability, language codes, and account access in the model reference.