Postman alternatives

API testing is taking its significance each day in all the companies. This testing is necessary for the smooth working of apps, web services, and other databases. REST tools are increasing these days in many software companies. Postman is one of the most famous REST tools used by many software engineers and companies in the present time. But the main problem of using Postman tool is that it is a bit tricky one to understand. Apart from that, it does not serve the tasks of individuals. We have listed some of the best Postman alternatives below which you can use for easy API testing.

Best alternatives to Postman for API environment 2023

1. Swagger Inspector

Swagger Inspector - Postman alternatives 2019

Developed by SmartBear Software, Swagger Inspector is one of the latest postman alternative and API testing tool you can go for. It helps you to build, design and develop web services in an easier manner. The main features of this tool are code generation, automated documentation, and others. It was developed far back in the year 2011 and until now, it is used by many companies. This tool allows you to create client’s SDKs directly from API document without human-generated client code. In addition to that, the swagger-codegen project supports 50 various languages.

2. Paw

Paw - Best Postman replacement

The next on the list of Postman alternatives is the Paw tool. You can easily create HTTP headers, text, URL parameters, and key-values. This tool will allow you to work smoothly in teams on a single project. Besides that, Paw contains well-designed headers and body which will provide easy to read responses. You can send advanced API requests to Paw and it will simplify each task of yours. Paw is specifically developed for macOS. IN addition to that, the Paw tool has many functions such as signature, hashes and auth tokens for testing.

Recommended: Best Google plus alternatives

3. Advanced REST Client

Advanced REST Client - Free tools like Postman

Advanced REST Client is one of the best REST tools and postman api alternative which you can use for Windows, Linux,andmacOS. It has beautiful user-interface and easy functions too. This tool accepts your API requests faster and works according to it. It allows you to work with your team on any project. You can synchronize Advanced REST Client works efficiently with Google Drive. It gives you detailed information about the sent HTTP message body and request timings. Advanced REST Client is the simplest tool to use in software companies and for engineers too.

4. RESTful Menu

Exodus - Postman alternatives

If you want an easy API testing tool, try this postman alternative. It includes all HTTP methods such as OPTIONS, HEAD, GET, PUT, DELETE AND POST. You can access this application from the menu bar of macOS. Apart from that, you can post raw data, params, file or text content on this tool. It is one of the safest tools for software developers. They can easily debug and test their web services with the help of RESTful Menu. It includes some of the amazing features such as views of multiple requests, browser, and response.

5. HttpRequester

HttpRequester - Alternatives to Postman

This is one of the simplest alternative to Postman you can consider for Firefox. It performs many functions such as accepting HTTP requests, maintaining the history of all transactions and viewing the responses. You can easily develop a web service with this tool. It accepts HTTP requests immediately and accordingly, does other tasks. HttpRequester is a free and open source platform to ease the work of every software developer. If there are errors, this tool sends them in JSON model. This tool can work on Mac, Windows, and Linus also.

6. Overlog

Overlog - Best alternative to Postman

The next on the list is Overlog developed by Netguru. It is used for debugging and iOS app testing. You can synchronize Overlog with any of your iOS devices. The debugging tool will be installed quickly for use. It has a simple setup process and the user interface is very easy to understand. Many IT companies and software developers have used Overlog and found it a beautiful tool for debugging. It will allow you to work smartly in a team on a single project.

Recommended: 7 Best sites like Google Maps in 2019

7. TablePlus

TablePlus - Sites like Postman

TablePlus is one of the best tools for Windows. It allows you to have perfect database management with easy functions. This latest GUI tool will serve every purpose of web and REST development. It supports various drivers such as SQL server, MySQL and PostgreSQL. Apart from that, TablePlus has a good display with easy user-interface. It simplifies the work like in Excel and you can edit, add or delete easily. TablePlus is one of the smartest Postman alternatives to try in this year.

8. Kat

Kat - Postman replacement

Kat is another robust REST tool for iOS devices. It works perfectly in iOS 9 and 10. It is considered as one of the best tools for software developers due to the easy features and wonderful user interface. It accepts API requests and starts to do tasks faster than other API testing tools. It does various requests such as POST, GET, PUT and DELETE. Kat is formatted in an efficient manner. Many software developers used this tool and found it be a beneficial one for REST service.

9. Nightingale REST API client

Nightingale REST API client

The next on the list is Nightingale REST API client. It is an open-source platform developed for Windows 10. It has amazing design and stunning user interface. It works speedily and accepts requests such as PATCH, GET, HTTP and POST. If you want to check the working of APIs, add tests to the request. One of the major benefits of using this tool is that it uses fewer resources. It has good speed and has simple functions and features.

10. HTTP toolkit

HTTP toolkit - Best replacement to Postman

Developed for Mac, Linux, and Windows, HTTP Toolkit is an open source tool for debugging. It supports the latest tools such as Android, GraphQL,and Docker. The setup of HTTP toolkit is very simple and does not need any expertise. It responds to various requests given by you. This tool contains all the modern tools for website and software development. You can test your system by changing live traffic content and simulating errors. This tool helps you to debug and build with HTTP(s).

Also Read: Best sites like Synergy

11. Restlet

Restlet - Free Postman alternatives

Restlet is one of the most famous API testing tools used by software developers nowadays. It is used in many small and large companies. You can create one API requests or multiple requests too with the help of Restlet. It is updated automatically and you can use it in many browser tabs. It includes a browser toolbar icon too. Restlet works smoothly on Windows, Linux, and Mac. It is available as a Chrome Extension. It accepts all the requests speedily and does it work perfectly.

12. Assertible

Assertible - Best Postman substitute

Assertible is a nice API testing platform for software developers and IT companies. It helps in monitoring API in an effective way. You do not have to enter the code in this tool for any task. Assertible allows you to work in a team for creating tests, debug errors and keep track of API performance. This tool has been by software developers, project managers, and stakeholders to eliminate bugs in web apps. In addition to this, this tool saves times and reduces the maintenance burden.

13. Iron Test

Iron Test - Postman api alternatives

The next on the list is Iron Test too. It is a free and open source platform for SOAP web services, HTTP APIs, relational databases. You can do various testing on this tool such as SOA testing, ESB and also for Microservices. The iron test also contains many advanced features such as user-defined properties, data-driven testing, HTTP stubs, built-in team collaboration, and others. This tool is also beneficial for architects and BAs. It allows viewing and sharing all the details of projects in a team easily.

Recommended: Best sites like Photobucket in 2019

14. RESTer

RESTer - Best alternative to Postman

With an amazing user interface, RESTer is a powerful tool for API testing. It is available as a Chrome extension and Firefox extension. It works smoothly on Linux, Mac, and Windows. This tool accepts API requests and then does various tasks effectively. Furthermore, you can perform various HTTP requests, custom headers and URL. In addition to that, you can view the history of all your requests. You can make use of shortcuts for easy reference. You can also create and save authorization headers with Basic authentication.

15. StopLight

StopLight - Best replacement to Postman

The last on the list is Stoplight tool. It helps you to monitor API easily. This tool is extremely simple to use with the easy user interface. It takes less time for API testing and provides a better quality of work. StopLight is a free tool for API testing. You can use it on Windows, Linus, and Mac. The subscription of StopLight starts from $24 to $249. You can choose the subscription according to the need of your business.

16. Anypoint Platform

best alternative to postman

Anypoint Platform is a robust tool for APIs and integration. It is the best alternative to Postman that you can use for building APIs and testing them. Further, this tool helps in proper API management. The companies can link data, apps and other devices using the Anypoint Platform tool. 

In addition to that, this tool comes with modern features such as ESB, iPaaS, and others. You can try the free version of 30 days to check the features in detail. Moreover, it is used by many large as well as small organizations for API management. Furthermore, it helps software engineers and other professionals to manage data and apps.

17. ElasticHQ

best alternative to postman

When it is about monitoring and management tools, ElasticHQ is a real-time tool that can help in live-streaming health information even during very heavy tasks. This is a type of postman alternative that can offer you several technical features. This software enables you to have better configurations having different useful nodes, indexes, and mappings as well. It is a complete interface system and is one of the best Postman alternatives which is very easy to install and very easily accessible from almost all the browsers. 

18. BBEdit 

best postman alternatives

BBEdit is one of the best tools like Postman for text editing. It is useful for software developers, authors, and writers. Further, you can edit and manipulate prose and textual data with this tool. It comes with a 30-day evaluation period. 

In addition to that, this site supports many programming languages and custom modules. Earlier, it had some issues. But now, it works seamlessly giving the best performance. You can edit and delete text or copy and paste text with the BBEdit tool. Moreover, this tool comes with 6 clipboards. 

Recommended Reading on Alternativoj: If you’re looking for miscellaneous  alternatives check out our posts like Alternatives to Postman, Alternatives to Pirate Bay, Alternatives to Chatroulette.


These are the robust Postman alternatives you can consider for API testing. They reduce the efforts and cost and do work more effectively. Some of them don’t need code to work. You have to only give requests and these tools will begin to work automatically giving you best results. They give long term benefits to software developers, architects, and IT companies.

About the author


Nohan Dupont is a 21 year old blogger from Belgium. He writes about latest websites, software, games alternatives and home products available in the market.