APIs can be built and tested on dedicated tools. Here are the top 5 tools used to build and test APIs.

Postman is a tool that can be used to build and test APIs. It’s one of the most widely used tools today.


Swagger is one of the best tools used to design, build and test APIs. It supports services like REST and SOAP.


JMeter is considered one of the simplest to use tools today. JMeter enables automated performance testing of APIs.


REST Assured is a library based tool made exclusively for Java to test and validate REST services.


Tosca is a customized testing tool for APIs used on DevOps platforms. Building API tests from a business perspective is simple with Tosca.


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