Yes, both RakAPIt and Autorest offer a Free Trial.
RakAPIt is designed for Large Enterprises, Medium Business and Small Business.
Autorest is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for RakAPIt Starts at $16.66/Month when Billed Yearly whereas for Autorest Starts at $50/Month.
Some top alternatives to RakAPIt includes Postman, Checkly, API Fortress, CloudQA, TestMace, Autorest, Meta API, RestCase, HyperTest and APImetrics.
Some top alternatives to Autorest includes 3scale, Apigee Edge, Verj.io, SwaggerHub, Apitive Studio, Meta API, API Maker, Kodingless and Google Cloud APIs.