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Postman vs SoapUI: Features, Pricing and User Reviews 2026

Postman logo

Postman

Complete API Development Platform for Testing & Collaboration

Postman screenshot
VS
SoapUI logo

SoapUI

Free Open-Source API Testing Tool for SOAP and REST Services

SoapUI screenshot

What are Postman and SoapUI?

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Postman

Postman is an all-in-one platform for working with APIs throughout their entire lifecycle. It provides tools to send API requests, view responses, write tests, create documentation, and monitor performance. Unlike basic HTTP clients, Postman offers a complete environment where teams can organize their work into collections, share them with teammates, and automate testing.

The platform includes an easy-to-use interface where you can build requests without writing code, though it also supports advanced scripting when needed. Postman works as a desktop app, web app, or through command-line tools for automation. It integrates with popular development tools and supports team collaboration through workspaces, making it ideal for both individual developers and large organizations building complex API systems.

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SoapUI

SoapUI is a testing platform that checks how APIs and web services perform. You can use it to send requests to your API, check the responses, and make sure everything works as expected. It runs on Windows, Mac, and Linux computers because it is built using Java.

The tool lets you do functional testing to verify your API works correctly, load testing to see how it handles many users, and security testing to find weak points. You can also write custom test scripts using Groovy programming language for more complex scenarios.

SoapUI works well with popular tools like Jenkins for continuous testing in your development process. The open-source version is completely free, while ReadyAPI offers extra productivity features.

Features of Postman and SoapUI

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Postman
  • Complete API client for REST, GraphQL, SOAP, WebSocket

  • Automated testing with JavaScript support

  • Auto-generated documentation with code samples

  • Mock servers for early testing

  • API monitoring and alerts

  • Team collaboration workspaces

  • Version control and history

  • Environment variables and secrets management

  • AI-powered assistant (Postbot)

  • Integrations with 50+ development tools

  • Command-line collection runner (Newman)

  • API governance and security features

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SoapUI
  • Free open-source API testing tool

  • SOAP and REST API support

  • Functional, load, and security testing

  • Data-driven testing with external files

  • Groovy scripting for custom tests

  • Multiple assertion types for validation

  • CI/CD pipeline integration

  • Cross-platform compatibility

  • Command-line test execution

  • Detailed test reporting

  • JDBC database testing

  • Mock service creation

  • Request/response inspection

  • Community support and documentation

  • Professional ReadyAPI version available

Use Cases of Postman and SoapUI

Pricing of Postman and SoapUI

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Postman

Postman offers flexible pricing to fit different team sizes and needs.

Free Plan: Includes unlimited basic API requests, up to 3 collaborators, and 50 free AI assistant activities per month. Perfect for individuals and small teams getting started.

Basic Plan ($14 per user/month): Adds unlimited collaborators, 10,000 mock server requests, 10,000 monitor requests, and 30-day collection recovery. Ideal for growing teams.

Professional Plan ($29 per user/month): Includes everything in Basic plus internal workspaces, partner workspaces, advanced access controls, and 90-day collection recovery. Best for established teams working with external partners.

Enterprise Plan ($49 per user/month): The complete package with unlimited private APIs, single sign-on, advanced security, dedicated customer success, and 100,000 mock server requests. Built for large organizations.

Additional add-ons available include Postbot AI ($9-19/user/month), Collection Runner ($49/user/month), and Advanced Security ($29/user/month).

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SoapUI

SoapUI offers two main options depending on your testing needs. The open-source version is completely free and gives you all basic testing features. You get unlimited functional tests, basic load testing, security testing, and full access to the Groovy scripting engine. This version works great for individual developers and small teams.

For teams wanting advanced features, ReadyAPI is the commercial version starting at approximately $6,449 per year per user. ReadyAPI adds data-driven testing without coding, visual test creation, advanced reporting, native Git integration, and faster test execution. It also includes priority support and regular updates.

There is also a free trial available for ReadyAPI, letting you test all premium features before buying. Enterprise pricing is available for large teams and can be customized based on your specific needs and number of users.

FAQs: Postman vs SoapUI

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Postman
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SoapUI

Reviews: Postman vs SoapUI

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Postman
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SoapUI
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Compare SoapUI With Other Tools