Postman Alternatives
Postman is described as 'Collaborative platform for API development providing design, specifications, testing, documentation, and requests with free and paid subscription plans' and is a very popular API Client in the development category. There are more than 50 alternatives to Postman for a variety of platforms, including Windows, Mac, Linux, Web-based and SaaS apps. The best Postman alternative is Insomnia REST Client, which is both free and Open Source. Other great apps like Postman are NativeRest, HTTPie for Terminal, Hoppscotch and Bruno.
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Alternatives list
Main goal of this VSCode extension is storing all HTTP request & response data automatically as files in a VSCode workspace.

API test automation tool that has GUI, supports HTTP stubs (mock services), data driven testing, and API types beyond HTTP, such as relational database, JMS, FTP(s), AMQP, MQTT, etc.
Cost / License
- Free
- Open Source (Apache-2.0)
Application type
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
Upcoming API testing tool in beta, built in GoLang, supporting HTTP/gRPC, workspaces, environments, request management, and various content types. Features include dark mode, local data storage, Postman import, environment variable setting, and request chaining.


+4
Lama2 defines the human-friendly l2 syntax and CLI for describing and executing APIs. Store your APIs in plain-text files. Collaborate with team using version control (say, git). Run Lama2 directly from VSCode extension. Think of Lama2 as Markdown for APIs.


Cost / License
- Freemium (Subscription)
- Proprietary
Application type
Platforms
- Online
- Google Chrome
- Software as a Service (SaaS)
- Mozilla Firefox

If you like the interface of HTTPie but miss the features of curl, curlie is what you are searching for. Curlie is a frontend to curl that adds the ease of use of httpie, without compromising on features and performance.

Loadmill helps developers easily create the tests required for continuous delivery by analyzing user behavior. Loadmill automates backend regression testing by replaying real user behavior. Through the use of smart recordings, the platform can create and replay thousands of...
Cost / License
- Subscription
- Open Source
Application type
Platforms
- Mac
- Windows
- Linux
- Online
- Software as a Service (SaaS)



Comments about Loadmill as an Alternative to Postman
riviIt can generate API test automatically from your traffic so you get fully regression coverage with minimum effort
ayalakrI used it to transform HAR and GOR files into test suites very easily

- Loadmill is Paid and Open Source
Pulse is an AI-powered automation testing tool which scans through your API documentation and generates hundreds of tests in a heartbeat.
Cost / License
- Subscription
- Proprietary
Platforms
- Online


+3
Artemis - No Code API Testing Platform is a revolutionary tool designed to streamline API testing through a No-Code approach, allowing for smooth integration into existing workflows. This platform eliminates the need for manual scripts, offering a fully automated testing...
Cost / License
- Freemium (Subscription)
- Proprietary
Platforms
- Online

Assertible is the easiest way to test and monitor your APIs and helps reduce bugs in web apps by providing tools to continuously validate endpoints and responses with a flexible interface to run your tests any time and place.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Mac
- Windows
- Linux
- Online


+3
SyncTree strives to be a "Super Connecting Platform" that can easily connect any services you want.
Cost / License
- Freemium (Pay once)
- Proprietary
Platforms
- Online
- Software as a Service (SaaS)
- Windows


Comments about SyncTree as an Alternative to Postman
It's a no-code solution, not a postman alternative.

- SyncTree is Freemium and Proprietary




















It detects parameters in network recordings automatically