Yes, both API Fortress and Kong offer a Free Trial.
API Fortress is designed for Large Enterprises, Medium Business and Small Business.
Kong is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Kong begins at $250/Month, while pricing details for API Fortress are unavailable.
Some top alternatives to API Fortress includes 3scale, Apigee Edge, Kong, Postman, Stoplight, Checkly, CloudQA, Testin and Meta API.
Some top alternatives to Kong includes Akana Platform, 3scale, Apigee Edge, WSO2 API Manager, Tyk API Management Platform, NGINX Plus, Cloud Gateway, Meta API and Google Cloud APIs.