Postman is a great tool but it might not fit everyone. Since it's a tool for developers you can be sure there are many other similar tools that do stuff a little bit different. So whatever the reason is that you want to replace Postman check the list below. Thousands of other users has provided their opinion about what they like the most.
Tools and resources for Enterprise Web Service development.
REST Client for Android is a development tool used to test RESTful web services. Features include: * Save, update, and load requests * Supports all HTTP methods (GET, POST, PUT, DELETE, etc.) * Fully configurable method, URL, headers, and body * Basic authentication support * Option to trust all server certificates (including self-signed certificates) for HTTPS connections * Supports copying text from response to paste in next request