Postman has traditionally been the preferred tool for API testing and development. However, recent changes to Postman's features and pricing have prompted many teams and developers to look for alternatives. Fortunately, there are now many outstanding options available that can compete with or outperform Postman's features. In this post, we'll examine some of the best Postman alternatives for API testing, development, and collaboration.
Why Seek Postman Alternatives?
While Postman remains a favored and capable tool, there are a few considerations why developers may want to consider alternatives:
Fee modifications - Postman has shifted to a per-user pricing model that can be pricey for larger teams
Forced cloud sync - Recent versions necessitate syncing data to Postman's cloud, which some organizations aren't at ease with
Performance issues - As Postman has included more features, some users mention slowdowns and crashes
Intricacy - The Postman interface has grown quite complex as features have been added
Constrained offline features - Working offline with Postman has become more difficult
Luckily, there are now many excellent Postman alternatives that tackle these concerns while offering powerful API testing and development functionalities.
Top Postman Alternatives
1. Insomnia
Insomnia is one of the most widely-used Postman alternatives, offering a sleek interface and powerful 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 available as a desktop app for Windows, Mac and Linux. There's a free version for individual use, with paid team plans starting at $8/user/month.
2. Hoppscotch
Hoppscotch (formerly Postwoman) is a free, open source API development ecosystem. It provides a web-based interface as well as desktop apps. Key features include:
Support for 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 simple interface for API testing without unnecessary complexity.
5. Thunder Client (VS Code Extension)
For developers who prefer to work within VS Code, Thunder Client is an outstanding Postman alternative. It delivers 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 combines seamlessly with VS Code workflows.
6. Apidog
Apidog is a comprehensive API development platform that aims to cover the entire API lifecycle. Key features include:
API design and prototyping
Mock servers
Automated testing
API documentation
Team collaboration
Apidog delivers a free plan for individuals, with paid plans initiating from $7/user/month for teams.
7. HTTPie
HTTPie started as a command-line HTTP client but now offers a full-featured desktop app as well. Some notable capabilities:
Intuitive CLI syntax
Compatibility with plugins
API documentation generator
Desktop GUI with request builder
Obtainable for Windows, Mac and Linux
HTTPie is free and open source, making it a great option for developers who like working from the command line.
8. Paw (Mac Only)
Paw is a full-featured API testing tool available exclusively for macOS. It provides a native Mac app experience with features 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 available.
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:
Compatibility with multiple request types
Environment variables
Request history
Cookie management
Obtainable for Windows, Matcha pulver Mac and Linux
ARC is free and open source, delivering a proficient Postman alternative for Chrome users.
10. Testfully
Testfully is a complete API testing platform designed for teams. Key functionalities include:
Visual test builder
Automated API testing
Performance testing
Mock servers
Team collaboration features
Testfully offers a free plan for individuals, with team plans initiating from $8/user/month.
11. SoapUI
While primarily known for SOAP API testing, SoapUI also offers robust REST API testing features. Notable features include:
Compatibility with SOAP and REST APIs
Functional, security and load testing
Test automation
Scripting support
Available in open source and pro versions
The open source version of SoapUI is free, while the Pro version begins at $659 per year.
12. Katalon Studio
Katalon Studio is a all-encompassing testing platform that includes strong API testing features. Key features for API testing include:
Handling of REST, SOAP and GraphQL
Visual test builder
Data-driven testing
CI/CD integrations
Reporting and analytics
Katalon offers a free version with basic features, while the full platform starts at $118 per license per year.
13. JMeter
Apache JMeter is an open source tool primarily used for load testing, but it also provides competent API testing features. Some key features:
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 good 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, delivering a unique approach to API testing for development teams.
15. Swagger UI
For teams working with OpenAPI (formerly Swagger) specifications, Swagger UI provides a quick way to visualize and interact with APIs. Key capabilities:
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 great option for teams already using OpenAPI.
Selecting the Right Postman Alternative
With so many outstanding options accessible, picking the right Postman alternative depends on your specific needs and preferences. Here are some factors to think about:
Interface - Do you favor a GUI, web interface, or command line tool?
Features - What specific functionalities 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 persists as a capable API platform, the growing ecosystem of alternatives offers excellent options for developers and teams looking to optimize their API workflows. Whether you need a straightforward, fast API client or a comprehensive API lifecycle platform, there's likely a Postman alternative that fits your needs.
By exploring 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 evaluate your specific requirements and try out a few options to find the tool that works best for your team and projects.