Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Docker




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' and is an app. There are more than 25 alternatives to Bearer for a variety of platforms, including Mac, Windows, Linux, Web-based and Flathub apps. The best Bearer alternative is Insomnia REST Client, which is both free and Open Source. Other great apps like Bearer are Hoppscotch, Cartero, soapUI and Advanced REST Client.





STORM is a free and open source tool for testing web services.
It is written mostly in F#. (I love this language!)
STORM allows you to

API Tester is the first mobile app to test any type of API on the go. Test REST, GraphQL, WebSocket, SOAP, JSON RPC, XML, HTTP, and HTTPS APIs completely for free, on iOS or Android.



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.



Used httpyac CLI tool underneath, which helps you execute _.http and _.rest files. This can be used to quickly execute a single *.http file, but also to execute all files in a folder. httpyac supports HTTP, Rest, GraphQL, WebSocket und gRPC...




MockServer can be used for mocking any system you integrate with via HTTP or HTTPS (i.e. services, web sites, etc).
RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities.



Request inspection, debug web hooks, http clients etc. Crete an endpoint to collect and test an application. All request sent to this endpoint are forwarded to you in real time




Assertible is the easiest way to test and monitor your APIs and helps reduce bugs in web apps by providing tools to continuously validate endpoints and responses with a flexible interface to run your tests any time and place.



