Was watching some weird physics based game developed at https://www.twitch.tv/clayman_dev and they used node.js+tiktok TTS to play funny text-to-speech sounds!
Then found this library, https://github.com/Steve0929/tiktok-tts
(took a while to get it working as node.js, due to sessionid+server mismatch, but posted solution here https://github.com/Steve0929/tiktok-tts/issues/17 )
Then “converted” it to Unity.. (*not much to convert, it is just a Webrequest (POST) and few header values.. problem is that if you post wrong data, it just says “404”, so you don’t know whats the issue..
Initially tried to get this working https://docs.unity3d.com/ScriptReference/Networking.UnityWebRequestMultimedia.GetAudioClip.html but then checked original node.js sources, where it uses POST request, instead of GET.. so that was the main issue! (and setting cookie to getrequest was probably initially wrong,
Check repo source & instructions for getting tiktok sessionid+server:
https://github.com/unitycoder/tiktok-tts-unity
Sample audio:
https://soundcloud.com/user-689598301/tiktok-tts-sample
making of / struggling video:
*This is not their official API, so it could be closed anytime or the servers might change..