Postman - The Collaboration Platform for API Development
DreamFactory - DreamFactory is an API management platform used to generate, secure, document, and extend APIs.
Insomnia REST - The most intuitive cross-platform REST API Client ð´
AWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.
soapUI - SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.
MuleSoft Anypoint Platform - Anypoint Platform is a unified, highly productive, hybrid integration platform that creates an application network of apps, data and devices with API-led connectivity.