Proxyman.io - Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.
Postman - The Collaboration Platform for API Development
HTTP Toolkit - Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.
DreamFactory - DreamFactory is an API management platform used to generate, secure, document, and extend APIs.
Replay - One-Click Video Editor for iOS
AWS CloudTrail - AWS CloudTrail is a web service that records AWS API calls for your account and delivers log files to you.