Apigee - Intelligent and complete API platform
Postman - The Collaboration Platform for API Development
Apiary - Collaborative design, instant API mock, generated documentation, integrated code samples, debugging and automated testing
DreamFactory - DreamFactory is an API management platform used to generate, secure, document, and extend APIs.
AWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.
RapidAPI - API marketplace for finding and connecting to the world's top APIs.