// https://app.heygen.com/settings?nav=API
// Your Trial Token can be used to test the following HeyGen APIs at no charge:
// Video Generation: Create up to 5 watermarked videos per day. Documentation.
// Interactive Avatar: Create up to 3 concurrent Streaming sessions; up to 300 minutes per month. Documentation.
using var api = new HeyGenApi(apiKey);
await api.StreamingAPI.StreamingCreateTokenAsync();