Bearer is described as 'developer tool that helps engineering teams monitor API requests, track performance, detect anomalies, and fix issues for their critical API usage. The solution monitors all outgoing API requests without proxying traffic'. There are more than 25 alternatives to Bearer for a variety of platforms, including Windows, Online / Web-based, Mac, Linux and Self-Hosted solutions. The best alternative is Insomnia REST Client, which is both free and Open Source. Other great apps like Bearer are Hoppscotch (Free, Open Source), soapUI (Free, Open Source), Advanced REST Client (ARC) (Free, Open Source) and Beeceptor (Freemium).
Runscope helps you monitor, log and measure API usage to solve API problems fast. Automatically monitor APIs without any coding. Runscope provides complete logging for all of your API traffic. Track down troublesome API calls with powerful search.
stts helps you monitor the status of various cloud services. With a click of the menubar icon, you can see the status of your favorite services. You can also be notified when a service goes down or gets restored.