Postman has for years been the go-to tool for API development and testing. However, new changes to Postman's features and pricing have encouraged many developers and teams to search for alternatives. Luckily, there are now many great options on offer that can rival or surpass Postman's capabilities. In this piece, we'll investigate some of the leading Postman alternatives for API testing, development, and collaboration.
Why Consider Postman Alternatives?
While Postman remains a popular and competent tool, there are a few reasons why developers may want to consider alternatives:
Pricing changes - Postman has moved to a per-user pricing model that can be expensive for larger teams
Compulsory cloud integration - Recent versions require syncing data to Postman's cloud, which some enterprises aren't comfortable with
Efficiency concerns - As Postman has added more features, some users note slowdowns and crashes
Complexity - The Postman interface has grown quite complex as features have been added
Limited offline capabilities - Working offline with Postman has grown more difficult
Happily, there are now many excellent Postman alternatives that address these concerns while offering powerful API testing and development capabilities.
Best Postman Alternatives
1. Insomnia
Insomnia is one of the most popular Postman alternatives, providing a user-friendly interface and robust features for API development and testing. Some key capabilities include:
Handling of REST, GraphQL, gRPC and more
Environment variables and context switching
Code snippet generation
Plugins and themes
Collaborative workspaces
Insomnia is accessible as a desktop app for Windows, Mac and Linux. There's a free version for individual use, with paid team plans initiating from $8/user/month.
2. Hoppscotch
Hoppscotch (formerly Postwoman) is a free, open source API development ecosystem. It offers a web-based interface as well as desktop apps. Key features include:
Compatibility with REST, GraphQL, WebSockets and more
Environments and variables
Code generation
Collaborative workspaces
Self-hosted option accessible
Hoppscotch is a fantastic free alternative to Postman with a clean, modern interface. The web version can be used without any installation.
3. Bruno
Bruno is a more recent open source API client that aims to be fast, lightweight and privacy-focused. Some notable features:
Runs entirely locally - no account or cloud sync required
Git-friendly collections stored as Markdown files
Compatibility with environments and scripting
Built-in API documentation generator
Obtainable for Windows, Mac and Linux
Bruno is completely free and open source. It's a excellent option for developers who want a uncomplicated, fast API client without any cloud dependencies.
4. Postcode
Postcode is another open source Postman alternative with a clean, minimal interface. Key functionalities include:
Handling of REST and GraphQL APIs
Environment variables
Request history and collections
Code snippet generation
Available as a web app or desktop app
Postcode is free to use and offers a uncomplicated interface for API testing without unnecessary complexity.
5. Thunder Client (VS Code Extension)
For developers who opt to work within VS Code, Thunder Client is an excellent Postman alternative. It offers a full-featured API client right in your VS Code environment. Features include:
REST and GraphQL support
Environment variables
Request collections and history
Code snippet generation
Git sync for collections
Thunder Client is free to use and merges seamlessly with VS Code workflows.
6. Apidog
Apidog is a all-encompassing API development platform that targets cover the entire API lifecycle. Key features include:
API design and prototyping
Mock servers
Automated testing
API documentation
Team collaboration
Apidog offers a free plan for individuals, with paid plans beginning at $7/user/month for teams.
7. HTTPie
HTTPie started as a command-line HTTP client but now delivers a full-featured desktop app as well. Some notable capabilities:
Intuitive CLI syntax
Compatibility with plugins
API documentation generator
Desktop GUI with request builder
Accessible for Windows, Mac and Linux
HTTPie is free and open source, making it a fantastic option for developers who like working from the command line.
8. Paw (Mac Only)
Paw is a full-featured API testing tool accessible exclusively for macOS. It delivers a native Mac app experience with functionalities like:
Visual request builder
Dynamic values
Code generation
Extensions
Collaborative workspaces
Paw requires a one-time purchase of $49.99 for individual use, with team pricing obtainable.
9. Advanced REST Client
Advanced REST Client (ARC) is an open source API testing tool available as a Chrome app or Electron-based desktop application. Features include:
Support for multiple request types
Environment variables
Request history
Cookie management
Accessible for Windows, Mac and Linux
ARC is free and open source, delivering a proficient Postman alternative for Chrome users.
10. Testfully
Testfully is a comprehensive API testing platform designed for teams. Key features include:
Visual test builder
Automated API testing
Performance testing
Mock servers
Team collaboration features
Testfully delivers a free plan for individuals, with team plans beginning at $8/user/month.
11. SoapUI
While primarily known for SOAP API testing, SoapUI also provides robust REST API testing features. Notable features include:
Handling of SOAP and REST APIs
Functional, security and load testing
Test automation
Scripting support
Available in open postman alternative source and pro versions
The open source version of SoapUI is free, while the Pro version starts at $659 per year.
12. Katalon Studio
Katalon Studio is a all-encompassing testing platform that includes strong API testing functionalities. Key features for API testing include:
Compatibility with REST, SOAP and GraphQL
Visual test builder
Data-driven testing
CI/CD integrations
Reporting and analytics
Katalon provides a free version with basic features, while the full platform initiates from $118 per license per year.
13. JMeter
Apache JMeter is an open source tool primarily used for load testing, but it also delivers capable API testing features. Some key capabilities:
Compatibility with multiple protocols including HTTP, SOAP, and more
Extensible via plugins
Distributed testing
Scriptable samplers
Reporting and results analysis
JMeter is free and open source, making it a great option for teams already using it for performance testing.
14. Karate
Karate is an open source tool that merges API test automation and performance testing in a single framework. Notable features include:
Behavior-driven development (BDD) syntax
Built-in assertions and validations
Reusable feature files
Parallel execution
Reporting and CI/CD integration
Karate is free and open source, providing a unique approach to API testing for development teams.
15. Swagger UI
For teams working with OpenAPI (formerly Swagger) specifications, Swagger UI offers a quick way to visualize and interact with APIs. Key functionalities:
Automatic visual documentation from OpenAPI specs
Interactive API console
Request builder
Response visualization
Easy to embed in existing documentation
Swagger UI is free and open source, making it a fantastic option for teams already using OpenAPI.
Picking the Right Postman Alternative
With so many superb options available, selecting the right Postman alternative depends on your specific needs and preferences. Here are some factors to contemplate:
Interface - Do you favor a GUI, web interface, or command line tool?
Features - What specific features do you need for your API workflows?
Collaboration - Do you need team features like shared workspaces?
Pricing - What's your budget for API tools?
Integrations - Does the tool work with your existing tech stack?
Performance - How does the tool perform with large numbers of requests?
Privacy - Do you need a tool that works entirely offline?
By analyzing your requirements against the features of these Postman alternatives, you can find the right tool to enhance your API development and testing workflows.
Conclusion
While Postman remains a capable API platform, the growing ecosystem of alternatives offers superb options for developers and teams looking to improve their API workflows. Whether you need a straightforward, fast API client or a complete API lifecycle platform, there's likely a Postman alternative that fits your needs.
By investigating tools like Insomnia, Hoppscotch, Bruno, and others, you can find an API testing and development solution that boosts your productivity while resolving any concerns you may have had with Postman. The key is to analyze your specific requirements and try out a few options to find the tool that works best for your team and projects.