Postman Alternatives

Best for: Cross-platform API client for REST, GraphQL, gRPC, and developer testing workflows.

Insomnia is a cross-platform API client from Kong for designing, debugging, and testing APIs. It supports common API workflows such as REST and GraphQL requests, collections, environments, scripting, and collaboration. It is a strong Postman comparison point for users who want a focused desktop API client with open-source roots and optional paid team features.

Pricing: Free plan and paid plans are listed on the official pricing page.

Best for: SOAP, REST, and web service testing for technical API teams.

SoapUI is an API testing tool best known for SOAP and web service testing, while also supporting REST and other API testing needs. It is especially relevant when Postman is not enough for SOAP-heavy projects, XML-based services, or structured functional API testing. SmartBear also offers commercial API testing products for larger teams.

Pricing: Open-source SoapUI is free; commercial SmartBear tools are separate.

Best for: Native macOS API client for sending, organizing, and debugging HTTP requests.

Paw was a native macOS API client and has been rebranded as RapidAPI for Mac. It remains most relevant for users who want a polished Mac-first HTTP client rather than a broad cross-platform API collaboration suite. Editors should update the item name and verify the current product status before treating it as a direct Postman replacement.

Pricing: Release notes state the app became free after the RapidAPI for Mac rebrand.

Best for: Terminal and desktop HTTP client for readable API requests and debugging.

HTTPie is a developer-friendly HTTP client available as a command-line tool and modern API client experience. It is useful for users who prefer terminal-first request workflows, readable commands, scripting, or lightweight API debugging instead of managing everything inside a large collaborative API platform.

Pricing: Core CLI is open source; check official pages for current app or account features.

Best for: Desktop REST client for sending and inspecting HTTP requests.

Advanced REST Client is a REST and HTTP testing client with a long history as a Chrome app and later desktop project. It may still be useful for simple request testing and legacy workflows, but editors should note that the Chrome app era is over and current availability depends on the maintained desktop releases.

Pricing: No clear current commercial pricing found on the checked official pages.

Best for: API design, documentation, mocking, and governance platform.

Stoplight is more of an API design, governance, documentation, and mock-server platform than a simple request client. It is relevant for teams comparing Postman because it focuses on API specifications, design consistency, docs, style guides, and collaborative API lifecycle work.

Pricing: Official pricing lists free and paid options; verify current plan limits.

For people evaluating Postman alternatives, apptalk.ninja is worth checking around extensions, source control, automation, documentation, integrations, and team workflow. Treat it as a research candidate until current features and availability are confirmed on the provider website.

Best for: Legacy Firefox-style REST request tool for simple API calls.

RESTClient is a legacy Firefox-oriented REST client project. It may be relevant only for historical users or those maintaining old browser-based workflows. Because browser extension availability and security status can change, this item should be manually reviewed before being recommended as a current Postman alternative.

Pricing: No current paid pricing found from checked sources.

Best for: Windows desktop tool for HTTP request testing and API debugging.

HttpMaster is a Windows HTTP testing and debugging tool for API requests, projects, and response validation. It is a practical Postman comparison for users who want a Windows desktop utility rather than a browser-centered or workspace-heavy API platform.

Pricing: Official download page describes the current release as freeware.

Best for: Legacy browser-based HTTP request tool.

HttpRequester appears to be a legacy browser-extension style HTTP request tool. It may have historical value for users who previously tested requests from Firefox, but it should not be presented as a strong current Postman alternative without a manual maintenance and security review.

Pricing: No current pricing found.

Best for: Firefox extension for quick REST and HTTP request testing.

RESTer is a Firefox extension for creating and sending HTTP requests from the browser. It can be useful for quick manual API checks, but it is narrower than Postman and does not replace a full API platform with team workspaces, monitors, mock servers, and extensive collaboration features.

Pricing: Firefox listing and repository indicate a free extension.

For people evaluating Postman alternatives, Graphical HTTP Client is worth checking around extensions, source control, automation, documentation, integrations, and team workflow. Treat it as a research candidate until current features and availability are confirmed on the provider website.

Best for: Automated API testing and monitoring for web services.

Assertible is a web-based API testing and monitoring service. Compared with Postman, it is more focused on automated assertions, scheduled checks, deployments, and service reliability workflows. It is relevant for teams that want API tests to run continuously rather than only sending requests manually.

Pricing: Official plans page lists free and paid options.

Best for: Sublime Text package for editor-based HTTP requests.

Requester is a Sublime Text package for making HTTP requests from inside the editor. It is a niche option for developers who prefer editor-based API checks and text-file workflows. It should be positioned as a lightweight developer utility, not as a full replacement for Postman’s team collaboration platform.

Pricing: No paid pricing found; distributed as a Sublime Text package.

To help graphical HTTP client for testing Web-Services and the interaction with Restaurant tool. Easy, simple, and has the following characteristics: Features:Commercial,Mac

Best for: Older macOS REST client for sending HTTP requests.

RESTed appears to be an older macOS REST client. Current official availability could not be confidently verified from an official product page during review, and third-party discussions suggest past App Store availability issues. This item should be manually checked before keeping it as a live alternative.

Pricing: Current pricing could not be verified.

To test a simple, but intuitive way, RESTful Web Services and standard HTTP calls to Test it. Test, you can enter the necessary HTTP request body and title. After the request is sent, the response can be displayed and can be saved on the hard disk. Functions you can open multiple Windows at the same time, has the ability to save requests to disk for later playback and the HTTP response. Features:Commercial,Mac

Testing a RESTful API on Android. Features:Free,Android,iPhone,iPad

Best for: Windows REST API client for manual API testing and workspaces.

Nightingale is a Windows-focused REST API client for composing requests, organizing workspaces, and testing APIs. It is a useful Postman alternative for users who want a native Windows client with a narrower scope and open-source availability, especially for manual REST request workflows.

Pricing: Official and repository sources indicate a free/open-source Windows client.

Best for: API testing technology now associated with Sauce Labs.

API Fortress was an API testing platform that became part of Sauce Labs. It should be reviewed as a legacy or acquired product listing rather than treated as a standalone current Postman alternative. For active API testing under Sauce Labs, editors should verify the current product packaging and documentation.

Pricing: Current standalone API Fortress pricing was not verified; check Sauce Labs.

A simple visual editor generate HTTP requests to send HTTP requests. To simply define, query parameters, request headers and post data. In the code editor included in the package. They examine the response of the HTTP responses, visualize, and document Analysis. Prettify HTML, XML, and JSON. JSON-data in the show / hide, Expand your search and Navigation. If such a request is to automatically measure the performance, monitor the standard measurements, such as response status code, and the success rate. The response of the monitor real-time statistics. Features:Free,Web,Chrome

Visual create and run complex scenarios, such as, for example, a single API requests. API-tests and CI/CD with the plugin, you can automate the script execution. Restlet Client as an extension for Google Chrome is a client of the most popular leisure. Automatically updates itself, or multiple browser tabs can be opened in the browser with an icon in the toolbar, and handy. Features:Commercial,Mac,Windows,Linux,Chrome,OS,Chrome

- Rest-based services, to help developers debug a simple Windows application. Features:Free,Open,Source,Windows

Request http (s) API(IDE) integrated development environment program that aims to ensure a similar interface, but with an HTTP client. Fast, cross-platform, lightweight, practical with a natural look. Project files and collaboration (VCs) version control systems can easily be shared with and perfected the work is also important. Features:Free,Open,Source,Mac,Windows

Best for: Local-first, Git-friendly API client for REST and related API workflows.

Bruno is a local-first API client that stores collections on the filesystem and works well with Git. It is highly relevant for developers who like Postman-style request workflows but want offline-friendly, plain-file, version-controlled API collections without depending on a cloud workspace for everyday use.

Pricing: Free open-source app with paid Pro, Ultimate, and enterprise options.

Best for: Open-source API client and collaboration platform with cloud and self-hosting options.

Hoppscotch is an open-source API development ecosystem with web, desktop, CLI, and self-hosting options. It is useful for quick API requests, team workspaces, collections, environments, documentation, and real-time API protocols, making it a practical alternative for users who want an open-source Postman-style workflow.

Pricing: Cloud pricing includes free and paid tiers; self-hosting details should be reviewed.

Best for: API design, debugging, testing, mocking, documentation, and collaboration.

Apidog is an all-in-one API platform for designing, debugging, testing, documenting, mocking, and collaborating on APIs. It is relevant for teams comparing Postman because it covers much of the API lifecycle rather than only acting as a request sender.

Pricing: Free and paid plans are documented; verify current limits on official pages.

Best for: VS Code API client for requests, collections, and lightweight testing.

Thunder Client is a lightweight API client extension for Visual Studio Code. It is especially relevant for developers who already live in VS Code and want to send requests, manage collections, and run tests without switching to a separate API platform.

Pricing: Official pricing lists a free tier and paid plans.

Best for: Local-first desktop API client for HTTP, GraphQL, gRPC, WebSocket, and SSE.

Yaak is a local-first desktop API client for HTTP, GraphQL, gRPC, WebSocket, and server-sent events. It is a strong comparison point for users who want a modern native app, local data storage, and a simpler workflow than a large collaborative API suite.

Pricing: Source is available under MIT; commercial use of prebuilt binaries may require a paid license.

Best for: Desktop API client with strong multi-protocol and gRPC support.

Kreya is a desktop API client for gRPC, REST, GraphQL, WebSocket, and server-sent events. It can be a good Postman alternative for users who need strong gRPC support, local desktop workflows, scripting, and API request organization across multiple protocols.

Pricing: Free download with paid plans listed on the official pricing page.

Best for: API client, automated API testing, monitoring, and documentation platform.

Testfully is an API client and testing platform focused on requests, automated tests, monitoring, documentation, and team collaboration. It is relevant for users comparing Postman with a tool that combines manual API exploration and more structured test automation.

Pricing: Official pricing lists a free Developer plan and paid team options.

Best for: Command-line HTTP testing from plain text files for developers and CI.

Hurl is an open-source command-line tool for running HTTP requests and tests from plain text files. It is not a visual Postman clone, but it is highly relevant for developers who want API checks that are easy to review in Git and run in CI pipelines.

Pricing: Open-source project; no hosted pricing found on the checked official site.

Create, edit and test quickly juniper setup client REST API, REST client tool professional. Free software is. The basic functions, create groups, and you can quickly draw and edit, leisure services and the REST API, the support for the API requests, scenarios and test cases to the group wizard, in the drop test. Features:Free,Windows