Yes, both Autorest and APIToolkit offer a Free Trial.
Autorest is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
APIToolkit is designed for Large Enterprises, Medium Business and Small Business.
The starting price for both Autorest and APIToolkit begins at $50/Month.
Some top alternatives to Autorest includes 3scale, Apigee Edge, Verj.io, SwaggerHub, Apitive Studio, Meta API, API Maker, Kodingless and Google Cloud APIs.
Some top alternatives to APIToolkit includes 3scale, Apigee Edge, Kong, Postman, Checkly, API Fortress, Meta API, APImetrics and API Tracker.