Yes, both 3scale and API Maker offer a Free Trial.
3scale is designed for Large Enterprises, Medium Business and Small Business.
API Maker is designed for Large Enterprises, Medium Business and Small Business.
Pricing for 3scale Starts at $750/Month whereas for API Maker Starts at $16.58/Month when Billed Yearly.
Some top alternatives to 3scale includes Akana Platform, Apigee Edge, IBM API Connect, Kong, MuleSoft Anypoint Platform, WSO2 API Manager, API Fortress, Layer7 API Gateway, Meta API and APIToolkit.
Some top alternatives to API Maker includes Postman, Yappes, Apitive Studio, Fireapis, Apinizer, Autorest, Meta API, NoCodeAPI and Hitman.