Sign in with your team username and master key to use the synthesizer UI.
OpenAI-compatible API (no login required for apps):
https://tts.dev.evnta.ai/v1
Kokoro-82M · 10 demo voices (same set as kokorottsai.com). Default: af_bella.
Flicker / API clients: POST /v1/audio/speech with
{"model":"kokoro","voice":"af_bella","input":"…","speed":1.0,"response_format":"mp3"}.
The raw /v1 API still accepts all engine voices; this UI lists the public demo set only.