Yes, both Meta API and Autorest offer a Free Trial.
Meta API is designed for Large Enterprises, Medium Business and Small Business.
Autorest is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Autorest begins at $50/Month, while pricing details for Meta API are unavailable.
Some top alternatives to Meta API includes Apigee Edge, WSO2 API Manager, APITree, Apitive Studio, Fireapis, LinkApi, Autorest, API Maker and Merge.
Some top alternatives to Autorest includes 3scale, Apigee Edge, Verj.io, SwaggerHub, Apitive Studio, Meta API, API Maker, Kodingless and Google Cloud APIs.