Best Postman Alternatives: 25+ API / REST Development tools

Postman is a great tool but it might not fit everyone. Since it's a tool for developers you can be sure there are many other similar tools that do stuff a little bit different. So whatever the reason is that you want to replace Postman check the list below. Thousands of other users has provided their opinion about what they like the most.

The list of alternatives was last updated: 3/18/2018 5:21:00 PM
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Alternatives to Postman for all platforms with any license

  • Insomnia REST Client

    Debug APIs like a human, not a robot. Insomnia is a simple yet powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.

    Freemium Open Source Mac OS X Windows Linux

    Separated workspaces Cloud sync Configurable request timeout Import Curl commands ... Support for Keyboard Shortcuts Image Preview REST API SSL client certificates Support environment variables SVG Support Add a feature

    Insomnia REST Client icon
    Reuse common variables like API keys using environments. Define them globally or switch between sub-environments for a seamless development/production workflow.
    Specify URL, payload, headers, and authorization all in one place. Then just hit send.
    Change the color scheme.
    Generate code snippets for over thirty different language libraries, like NodeJS, Go, Swift, Python, Java, C, and others.
    Easily view and manage cookies in a simple yet powerful interface. Cookies are automatically stored and sent with every request, just as you would expect.
    • The features are almost the same with postman. Guest • Aug 2017 • 2 agrees and 1 disagrees Disagree   Agree
    • Request chaining, test scripting and setting up environment variables are still in an experimental stage. Postman offers these features out of the box in a well designed and elegant way. Guest • Oct 2017 • 1 agrees and 6 disagrees Disagree   Agree

  • Paw

    Easily craft your HTTP requests, try them, archive them. Setup HTTP Headers, URL parameters, form-encoded POST key-values or text. Get easy-to-read responses with well formatted headers and body. Sync your projects with your team through Paw for Teams.

    Commercial $ $ $ Mac OS X

    Html parsing Request Chaining Add a feature

    Paw icon
    • Simple request chaining (right-click in the UI, no code or globals); Great workflow for when writing a fast-changing API Guest • Jun 2017 • 2 agrees and 0 disagrees Disagree   Agree
    • Superb flexibility and cookie handling. An entire session with transactions can be constructed in Paw with it's ability to parse incoming data and extract potions for the next request. Guest • Feb 2017 • 1 agrees and 1 disagrees Disagree   Agree
    • Handles cookies *way better* than Postman malternative • Mar 2016 • 0 agrees and 1 disagrees Disagree   Agree

  • soapUI

    Eviware, the maker of soapUI, Web Service Testing Leader soapUI is a tool for functional testing, mainly of web services like SOAP based web services and RESTful web services, but also HTTP based services and JMS Services as well as databases. soapUI is an open source and completely free tool with a commercial companion, soapUI Pro, with extra functionality for companies with mission critical web services.

    Free Open Source Mac OS X Windows Linux

    No features added Add a feature

    soapUI icon

  • HTTPie

    httpie - HTTPie is a CLI, cURL-like tool for humans. HTTPie (pronounced aych-tee-tee-pie) is a command line HTTP client. Its goal is to make CLI interaction with web services as human-friendly as possible. It provides a simple http command that allows for sending arbitrary HTTP requests using a simple and natural syntax, and displays colorized responses. HTTPie can be used for testing, debugging, and generally interacting with HTTP servers.

    Free Open Source Mac OS X Windows Linux

    Command line interface Add a feature

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  • Advanced REST Client (ARC)

    Cross platform API testing Use ARC on any major platforms including Windows, MacOS and Linux. Simplicity Easy and clean user inteface helps you make test request faster. Works with Google Drive Store your requests and projects on Google Drive and share it with your team. More data then other tools ARC implements it’s own HTTP client that works directly on a socket. As a result you receive detailed information about request timings, redirects and even sent HTTP message body.

    Free Open Source Mac OS X Windows Linux Chrome OS Chrome ... Chromium Chrome Web Store

    REST API Add a feature

    Advanced REST Client (ARC) icon

  • HttpRequester

    HttpRequester is a tool for Firefox for easily making HTTP requests (GET/PUT/POST/DELETE), viewing the responses, and keeping a history of transactions. This tool is useful when doing web or REST development, or when you need to make HTTP requests that are not easily done via the browser (PUT/POST/DELETE).

    Free Open Source Mac OS X Windows Linux Firefox

    Firefox extension REST API Add a feature

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  • RESTClient

    RESTClient can be used to test variety of HTTP communications and RESTful webservices. Friendly GUI, rich functionalities.

    Free Open Source Mac OS X Windows Linux

    No features added Add a feature

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  • Graphical HTTP Client

    HTTP Client is a Mac OS X Leopard developer tool for debugging HTTP services by graphically creating and inspecting complex HTTP messages.

    Commercial Mac OS X

    No features added Add a feature

    Graphical HTTP Client icon

  • RESTtest

    RESTtest is a simple yet intuitive way to test RESTful web services and standard HTTP calls. RESTtest allows you to enter a HTTP request body and any necessary headers. After the request is submitted, response information can be both viewed and saved to disk. Features include the ability to have multiple windows open at the same time, save requests for playback later, and exporting HTTP responses to disk.

    Commercial $ $ $ Mac OS X

    No features added Add a feature

    RESTtest icon

  • HttpMaster

    HttpMaster is a professional development and test tool for web applications, with special focus on REST web services and web API applications. Key features: - HttpMaster project to store complete definition of API calls in one single place. - Broad set of http properties (HTTP headers, URL encoding, etc.). - Dynamic parameters to simulate variations of input data or create global API values. - Response data validation with logical expressions.

    Freemium Windows

    Request Chaining REST API Website testing Add a feature

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  • GraphicalHttpClient

    Graphical Http Client is a utility to help you test and interact with REST-based web services.

    Commercial $ $ $ Mac OS X

    No features added Add a feature

    GraphicalHttpClient icon

  • StopLight

    APIs are essential to every online business. StopLight helps companies manage their API lifecycle. Our visual modeling solution removes the massive amount of manual effort needed today, and instead reduces friction, and improves efficiency, across all API stakeholders.

    Free Personal Mac OS X Windows

    No features added Add a feature

    StopLight icon

  • Requester

    Powerful, modern HTTP / REST client for Sublime Text. Requester has an expansive feature set, modern UX, powerful, elegant syntax and first class support for API testing and test automation. It runs on macOS, Windows and Linux.

    Free Open Source Mac OS X Windows Linux

    REST API Add a feature

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  • RESTed

    RESTed allows developers to quickly format and make HTTP requests and view the response. RESTed supports both basic HTTP authentication and OAuth. RESTed shows you the response header and response data. XML and JSON responses can even be spruced up automatically.

    Commercial $ $ $ Mac OS X

    No features added Add a feature

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  • apptalk.ninja

    apptalk.ninja is a great, easy-to-use tool for app developers tackle that monitors and debugs issues with their apps’ communication over-the-air. apptalk.ninja gives developers superhuman ninja powers to see what’s going on in their users’ pockets, on each and every device that used their app around the globe. Testing and enhancing communication speed and security also becomes much easier. Being an apptalk.

    Freemium iPhone iPad

    Network Monitoring Add a feature

    apptalk.ninja icon

  • API Fortress

    Automated API testing for the entire lifecycle. No coding, web-based, actually works.

    Commercial Web Self-Hosted

    No features added Add a feature

    API Fortress icon

  • Assertible

    Assertible is the easiest way for teams and individuals to test and monitor web services. Gain confidence in crucial infrastructure by using Assertible's automated QA tools to test and monitor your web services across deployments and environments. With modern and easy-to-use assertions, you can validate virtually any web service, run your tests on any environment, and integrate with your CI or deployment pipeline. Save time and get your job done faster by automating your QA with Assertible.

    Freemium Mac OS X Windows Linux Web

    Regression testing Uptime Monitoring Performance Monitoring REST API ... Slack integration Team Collaboration Zapier integration Add a feature

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  • Servistate

    Send HTTP Requests Build HTTP requests through an easy-to-use visual editor. Easily define query parameters, request headers and post data. Code editor included. Inspect Response Parse and visualize HTTP responses. Prettify HTML, XML and JSON. Expand / collapse, search & navigate into JSON data. Measure Performance Automatically track standard response metrics such as request time, status code and success rate. Monitor response stats real time.

    Free Web Chrome

    No features added Add a feature

    Servistate icon

  • FRequest

    FRequest is an HTTP client that aims to provide a similar interface to an integrated development environment program (IDE) but for HTTP(s) apis. It should be fast, cross platform, lightweight, practical with a native look. Also it is important that project files can be easily shared and work seamless with Version Control Systems (VCS) for collaborative work.

    Free Open Source Mac Windows

    Configurable request timeout File upload Portable REST API Add a feature

    FRequest icon

  • JunoRestClient

    JunoRestClient, the professional REST client tool to create, organize and test your REST API quickly. It is a free software. **Key Features** - Create and Test your REST API quickly - Drag and drop to organize API requests into groups and subgroups - Wizard Support to add REST Services, Script and Test Cases.

    Free Windows

    REST API Add a feature

    JunoRestClient icon

  • Rest Client

    Rest Client feature rich rest client for developers to debug and test their RESTful web services. It can be used to request a URL using the following HTTP methods: GET, POST, PUT, DELETE, HEAD, PATCH, COPY, SEARCH, OPTIONS. Feature Set Includes: Simultaneous views of request, response and browser. Post raw data or file, text content or binary. Post params in either body or as part of URL. Post multipart form data with same ease as of normal post.

    Commercial Mac OS X

    REST API Add a feature

    Rest Client icon

  • REST Client for Android

    REST Client for Android is a development tool used to test RESTful web services. Features include: * Save, update, and load requests * Supports all HTTP methods (GET, POST, PUT, DELETE, etc.) * Fully configurable method, URL, headers, and body * Basic authentication support * Option to trust all server certificates (including self-signed certificates) for HTTPS connections * Supports copying text from response to paste in next request

    Free Android

    REST API Add a feature

    REST Client for Android icon

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