Postman alternatives: What options do you have for API testing and development?

Postman is a popular tool among QA specialists for creating, evaluating, and maintaining APIs. Given its complex design and plenty of features, Postman may not be the best choice for organisations with more specialized requirements. 

Before making the transfer, have a look at our list of the top 6 Postman alternatives, together with their greatest features and pricing information. 

How Are APIs Operational?

Consider placing an online meal order and searching for the greatest eateries and cuisine available. 

Enter the dish you want to eat and press the search button to view the different possibilities from different restaurants.

 However, what transpires when you search and get the app’s results? Here’s when the API comes into play. 

It assists in submitting your request to the backend and guarantees that it will be processed and returned.

Why Is API Testing Required?

To make sure the project satisfies the requirements for functionality, security, performance, and dependability, APIs must be tested. 

With the help of this testing, developers may start testing earlier in the development cycle and get rid of almost half of current bugs before they worsen, thereby saving time, money, and resources.

Best Postman Alternatives


Apidog is the greatest alternative API tool when compared to Postman. It is an all-in-one tool for designing, documenting, testing, debugging, and mocking APIs.  

Using Apidog, you can create documentation, mock data, and tests automatically, and design and debug APIs more quickly and effectively.

Moreover, Apidog is an open-source Postman alternative that works as a Chrome addon for documentation and API testing. 

It provides developers with a platform to effectively manage their APIs. Apidog lets users submit API calls, review results, and group queries into collections—just like Postman.

Moreover, it lets users produce thorough API documentation, which facilitates collaboration and sharing on projects involving APIs. 

For developers looking for an alternative to Postman for testing and managing APIs, the extension’s open-source design and interaction with Chrome make it a flexible option.

  • Important Features: The platform for managing APIs on Google Cloud.
  • Why to Think About it: Scalability and extensive API management features are reasons to consider.


As a Postman alternative, insomnia is quite common. You may create and test your APIs with this open-source API client. 

The slick and user-friendly UI of Insomnia Rest Client makes it simple to arrange your API queries and responses. 

A number of other capabilities are also available, such as code generation, automatic cookie management, and OAuth authentication.

  • Important features: Code snippets, robust debugging, and an intuitive interface.
  • Why to Think About: Environment flexibility and strong collaborative features.


Paw is a potent Mac application for testing and developing APIs. Among the many things it offers are dynamic values, automatic validation, and code generation. 

Its capacity to produce client code in many languages is one of its most notable capabilities.

  • Important Features: formatters, dynamic values, and an intuitive design method for APIs.
  • Why Think About It: Appealing to people who like customizing and visual design.


An array of tools and functionalities are available from Apigee, an API management platform, to assist organizations in designing, developing, securing, and managing APIs.

  • Important Features: The platform for managing APIs on Google Cloud.
  • Why to Think About it: Scalability and extensive API management features are reasons to consider.


A well-liked open-source tool for load and performance testing of apps is called JMeter. It is frequently used to evaluate the functionality of databases, web apps, and other systems.

  • Important Features: Adaptable for API testing, however initially created for load testing.
  • Why to Think About It: Very helpful for anyone who needs performance testing.

Katalon Studio

The extensive capability of Katalon Studio’s API testing covers a wide range of REST, SOAP/1.1, and SOAP/1.2 calls. 

Katalon is one of the best Postman alternatives available in the market.

Testers can work together on an API project in a variety of ways with Katalon Studio, including through keyword-driven testing and Page Object Model (POM) testing. 

Most capabilities for scripting, troubleshooting, and maintaining testing is provided by Katalon’s API automation IDE.

All desktop, mobile, API, and internet applications can be tested using it. With consistent development over time, the tool’s solution enables users to dependably scale up testing initiatives.

Testers can take advantage of features like autocompletion, code inspection, snippets, fast references, debugger, dual interface, and more.

  • Important features: An extensive platform for API test automation and more.
  • Why to Think About It: Great for people looking for a one-stop shop for testing.

Postman’s Benefits  

  • Usability: To get started, a new Postman user merely has to register, download the tool, and access their account.
  • API Simplified: With Postman’s extensive architecture and broad assistance for all conceivable HTTP methods, customers can start their API journey fast and efficiently.
  • Strong testing features: Postman offers scheduling settings, test checkpoints, and a variety of testing environments.
  • Collaboration and integration: Postman Workspace is devoted to providing teams with integrated version control for real-time teamwork. The ecosystem for tool integration is expanding, and well-known brands are continuously joining.

Postman’s Restraints  

While Postman has demonstrated its ability to offer developers a comprehensive testing experience with their web services, it still fails to meet a number of requirements. 

Most importantly, although the world is shifting its attention more towards continuous testing solutions, Postman remains perfect for manual testing requirements.

A closer look into Postman’s constraints for automated testing requirements is provided below:

  • Because Postman was not designed for automated test confirmation, performance stability is difficult to guarantee.
  • Reporting is limited to the Enterprise Plan.
  • Low script reusability causes every new API testing project to need more work.
  • Absence of features for test maintenance
  • Since it was initially intended to be a stand-alone tool for testers and developers rather than as a component of a wider DevOps toolchain, it does not enable CI/CD integrations or shift-left or Agile procedures to satisfy the demands of QA teams.


Even though Postman is a popular tool for developing APIs, there are numerous different choices accessible.

There is an API testing and development tool out there for you, no matter what your requirements are — whether you’re looking for something with a stylish UI, code-age elements, or cloud-based testing. 

As far as you might be concerned, Apidog is the suitable apparatus to supplant Postman.

By Edward Robinson

Looking to share my thoughts and opinions on a range of topics. Robinson aims to make an enjoyable corner of the internet that brings a bit of lighthearted entertainment to readers' days. As the site develops, he intends to bring on a few other bloggers to add additional voices and expand the range of subjects covered beyond just his personal interests. Robinson sees long-term potential in becoming a popular online destination.

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