PostBot: Write API Test using Postman AI Assistant




Since its introduction in early access, Postman’s revolutionary AI assistant, has been making waves in the API testing community. With over 5,000 users already onboard, the tool has proved to be a game-changer, transforming API testing into a faster, more accessible process for developers, security engineers, QA teams, and technical writers worldwide. And now, the moment we’ve all been waiting for has arrived and is officially in open beta, available to everyone eager to enhance their API testing experience.


Empowering Users with Generative AI

The power of generative AI lies in its ability to understand natural language prompts and generate scripts for API requests with incredible speed and accuracy. For those, like QA Engineer Fabián Feld at Intive, who may have limited coding knowledge, PostBot has proven to be an indispensable tool. “Like many QAs, I know little about coding, so this is an excellent tool that allows me to write important tests that otherwise I wouldn’t be able to do without the help of a developer or a lot of time doing research on the internet. It has also been great for learning and improving my programming skills,” Fabián remarked.


The transition from early access to open beta comes with a slew of improvements based on valuable feedback from early adopters. Postman has diligently listened to user needs and usage patterns to shape the evolution. With these new capabilities, the new AI tool is set to become an integral part of Postman’s API-lifecycle workflows.


Big Improvements to PostBot

Generate Tests for Collections:

Perhaps one of the most exciting enhancements for postman users is the ability to generate tests for entire collections in just a few simple steps. This feature is particularly useful for those building collections from an OpenAPI Spec file or capturing traffic using Postman’s proxy/interceptor. With a single click, the tool suggests test scripts for every request, providing users with a comprehensive validation of API behavior.


Quickly Fix Broken Tests:

Dealing with failing tests due to syntax or structural errors can be frustrating. the tool now steps in to make the debugging process seamless. By invoking the tool, users can easily select and update test scripts and rectify any issues found in requests like get or post. Furthermore, the changelog feature allows users to revert changes effortlessly.


Intuitive Prompts and Improved Performance:

Natural language prompts have been significantly improved, making interactions with tool more intuitive than ever. Users can now ask the tool to generate custom visualizations or fix specific tests, resulting in better outcomes. Moreover, the latest version of PostBot boasts a performance boost of over two times its previous speed, ensuring a smooth integration into the API development process.


Future Expansions and Potential

While the current capabilities are already impressive, the team at Postman has grand plans for its future. The ultimate goal is to leverage generative AI throughout the API lifecycle, introducing innovative solutions for various stages of API development and management. The roadmap includes the following exciting features:

  1. Write Documentation for API Calls: Say goodbye to tedious manual documentation. PostBot will soon be able to generate API call documentation automatically, saving users valuable time and effort.
  2. Build Test Suites from Scratch: Writing extensive test suites from scratch can be a daunting task, especially for newcomers. The tool aims to simplify this process by generating or updating tests for API calls through the Collection Runner.
  3. Summarize Test Data Reports: With large amounts of test data, it’s easy to get overwhelmed. PostBot plans to step in and summarize critical aspects of test data reports, helping users focus on what truly matters.
  4. Debug API Calls: Identifying and resolving issues with API calls will become more straightforward with the ability to debug on behalf of users based on intended outcomes.
  5. Contextual API Call Search: Finding the right API calls in the context of a specific workflow will become more efficient, thanks to its assistance.

Looking Beyond Hype—Focusing on Real Workflows

Amidst the AI hype, developers are determined to concentrate on building practical workflows that significantly enhance developers’ productivity. The aim is to provide tangible, time-saving solutions that improve the API testing and development process. The generative AI capabilities have the potential to elevate the way developers work with APIs, bringing forth a new era of seamless API testing and automation.


With the tool now in open beta, the world of API testing has taken a significant leap forward. Leveraging the power of generative AI, it empowers developers, QA teams, and technical writers to write tests and validate API behavior like never before. The integration of natural language prompts, quick error fixes, and improved performance enhances the user experience and streamlines the API testing process.


As the tool continues to evolve, its future holds even more exciting possibilities. With features like automated documentation generation and the ability to build test suites from scratch, developers can expect a substantial boost in productivity. Postman’s commitment to delivering practical, valuable solutions ensures that generative AI will drive real-world workflows, revolutionizing the API development and testing landscape for years to come. So, why wait? Embrace the power of the tool today and experience the future of API testing firsthand.


1. What is PostBot?

The tool  is an AI assistant developed by Postman, a company known for its API development and testing platform called Postman.

2. How can I use the tool?

You can use the tool to write and update API tests for your software. The tool leverages AI technology to automate the process of test creation and maintenance.

3. Can PostBot work with my existing tests?

Yes, it can write or update existing tests for your API calls. It integrates seamlessly with your existing testing workflows and helps you improve the quality of your software.

4. What are the features of the tool?

The tool can quickly create tests for your API calls through the collection flows query language (FQL). It is especially useful for complex API scenarios and allows you to achieve thorough test coverage.

5. How do I start using the capability?

To start using, you can join the Postman’s Early Access Program, which provides access to the latest features and updates. Visit the Postman website for more information on how to get started.

6. Can PostBot be used by non-developers?

This  is primarily designed for developers and software professionals. It requires some level of API and testing knowledge to effectively utilize its capabilities.

7. Is the tool available in the cloud?

Yes, this is a cloud-based AI assistant integrated within the Postman platform. This allows for easy accessibility and collaboration across teams.

8. What is the mission of Postman and PostBot?

Postman’s mission is to simplify API development and testing processes. This is an extension of this mission, aiming to automate and streamline API testing through AI technology.

9. When will PostBot be available for general use?

PostBot is currently in the Early Access Program, and its availability for general use will depend on further development and testing. Stay tuned for updates from Postman.