Top 20 REST Assured Alternatives for API Testing in 2024

When it comes to API testing, Rest Assured has been a popular choice among developers and QA professionals. However, as technology evolves and project requirements change, it's essential to explore alternative tools that may better suit your needs. In this blog post, we'll introduce you to the best 20 Rest Assured alternative.

1. Apidog

Apidog is a versatile API design, testing, and documentation tool that aims to streamline the API development process. It serves as a comprehensive Rest Assured alternative, providing a collaborative environment for developers and testers to create, test, and manage APIs. Apidog supports both manual and automated testing, making it a valuable tool for teams working on complex API projects.

Main Features:

• API design and documentation with integrated testing
• Supports RESTful, SOAP, and GraphQL APIs
• Automated and manual testing capabilities
• CI/CD pipeline integration
• Mock server support for API simulation
• Database integration for testing andassersion
• Collaboration tools for team-based development

Pricing:

• Free plan available
• Basic plan: $9/user/month
• Professional plan: $18/user/month
• Enterprise plan: $27/user/month
• Enterprise On-premises: Contact sales

Website: Apidog

2. Postman

Postman is one of the most popular API testing tools and a Rest Assured alternative. It offers a user-friendly interface and a comprehensive suite of features for testing, documenting, and monitoring APIs. Its collaboration features allow teams to share and manage APIs efficiently, making it a favorite among developers and testers alike.

Main Features:

• Powerful API client and testing environment
• Supports REST, SOAP, and GraphQL
• Mock servers and API documentation
• Collaboration tools for teams

Pricing:

• Free plan available
• Basic plan: $14/user/month
• Professional plan: $29/user/month
• Enterprise plan: $49/user/month

Website: Postman

3. SoapUI

SoapUI is a leading API testing tool and another strong Rest Assured alternative, primarily used for testing SOAP and REST services. It offers a range of features, including functional testing, security testing, and load testing. SoapUI’s extensive plugin ecosystem and scripting capabilities make it a versatile tool for comprehensive API testing.

Main Features:

• Functional, security, and load testing
• Supports SOAP, REST, and JMS
• Scripting with Groovy for advanced testing
• Extensive plugin support
• Detailed reporting and analytics

Pricing:

• Free (Open Source)

Website: SoapUI

4. JMeter

Apache JMeter is a popular open-source tool designed for load testing and performance measurement. It’s widely used for testing web applications and services, but also serves as a viable Rest Assured alternative for API testing, particularly for REST APIs. Its extensibility through plugins and ease of integration with other tools makes it a robust choice for API testing.

Main Features:

• Load and performance testing for various applications
• Supports REST, SOAP, and WebSocket
• Extensive plugin ecosystem
• Scripting support with JSR223
• Integration with CI/CD tools

Pricing:

• Free (Open Source)

Website: JMeter

5. Katalon Studio

Katalon Studio is an all-in-one testing platform that supports API, web, mobile, and desktop testing. It’s a comprehensive Rest Assured alternative that provides automated testing with minimal scripting required. Katalon Studio’s powerful features, including built-in keywords, test data management, and seamless CI/CD integration, make it a preferred choice for testers looking for an all-encompassing solution.

Main Features:

• Automated testing for APIs, web, mobile, and desktop
• Supports RESTful and SOAP APIs
• Built-in keywords and data-driven testing
• CI/CD pipeline integration
• Advanced reporting and analytics

Pricing:

• Free plan available
• Katalon Premium: $2099/year/user
• Katalon Ultimate: talk to sales

Website: Katalon Studio

6. RestConsole

RestConsole is an open-source, lightweight tool for testing RESTful APIs. It’s a simple and straightforward tool that provides a basic interface for sending HTTP requests and analyzing responses. RestConsole is an excellent Rest Assured alternative for developers looking for a no-frills tool to quickly test APIs.

Main Features:

• Lightweight and easy-to-use interface
• Supports RESTful API testing
• Basic request and response handling
• JSON and XML support
• No installation required (browser-based)

Pricing:

• Free (Open Source)

Website: RestConsole

7. Pact

Pact is an open-source tool specifically designed for contract testing of APIs, providing a focused and reliable Rest Assured alternative. It allows developers to create consumer-driven contracts that are then verified against provider APIs. Pact is particularly useful for microservices architectures, ensuring that different services can communicate correctly without breaking existing functionality.

Main Features:

• Consumer-driven contract testing
• Supports multiple languages and frameworks
• Verifies API contracts against providers
• Ideal for microservices architectures
• CI/CD integration

Pricing:

• Free (Open Source)

Website: Pact

8. Tavern

Tavern is a Python-based tool for testing RESTful APIs, providing a simple yet powerful way to write tests in YAML format. It is particularly well-suited for developers already working within the Python ecosystem, making it a strong Rest Assured alternative. Tavern integrates easily with pytest, making it a seamless addition to existing testing frameworks.

Main Features:

• Write API tests in YAML
• Integration with pytest
• Supports RESTful API testing
• Easy-to-use for Python developers
• Extensive documentation and community support

Pricing:

• Free (Open Source)

Website: Tavern

9. SwaggerHub

SwaggerHub is a collaborative platform designed for API design and documentation, offering a unique Rest Assured alternative with a focus on design and documentation. It supports OpenAPI specifications and provides tools for designing, testing, and documenting APIs in a collaborative environment. SwaggerHub is ideal for teams looking to streamline their API development process and ensure consistent API standards.

Main Features:

• API design and documentation
• Supports OpenAPI and Swagger
• Collaborative environments for teams
• Versioning and lifecycle management

Pricing:

• Free plan available
• Team plan: $23/month(1 Designer/3 Consumers)
• Enterprise plan: Custom pricing

Website: SwaggerHub

10. Karate

Karate is an open-source framework for API testing, known for its simplicity and ease of use, making it a popular Rest Assured alternative. It allows users to write tests in a BDD (Behavior-Driven Development) style using Gherkin syntax, which makes it accessible even to non-developers. Karate supports not only RESTful APIs but also SOAP, GraphQL, and web services, making it a versatile tool for testing.

Main Features:

• BDD-style testing with Gherkin syntax
• Supports REST, SOAP, GraphQL, and web services
• Easy integration with CI/CD pipelines
• Built-in testing and mocking capabilities
• Parallel execution and detailed reporting

Pricing:

• Free (Open Source)
• Plus: $100 /year
• Pro: $640 /year
• Ultimate: $1400 /year

Website: Karate

11. TestCafe

TestCafe is an open-source framework for end-to-end testing of web applications, but it also offers capabilities for API testing. Built on Node.js, TestCafe allows you to write tests using JavaScript or TypeScript. Known for its easy setup, cross-browser testing, and extensive support for modern web technologies, it serves as a notable Rest Assured alternative.

Main Features:

• End-to-end and API testing for web applications
• Write tests in JavaScript or TypeScript
• Cross-browser testing without plugins
• CI/CD pipeline integration
• Detailed test reports and parallel test execution

Pricing:

• Free (Open Source)

Website: TestCafe

12. ReadyAPI

ReadyAPI is an all-in-one API testing tool developed by SmartBear, designed for both functional and performance testing of RESTful, SOAP, and GraphQL APIs. As a comprehensive Rest Assured alternative, ReadyAPI supports automated testing, security testing, and service virtualization, providing a complete platform for API quality assurance.

Main Features:

• Functional, load, and security testing
• Supports REST, SOAP, and GraphQL
• Service virtualization and mocking
• Advanced reporting and analytics
• CI/CD integration and automation

Pricing:

• Starting at $985/year/license

Website: ReadyAPI

13. RestSharp

RestSharp is a popular open-source HTTP client library for .NET, providing an easy way to consume APIs. While it’s primarily a library rather than a full-fledged testing tool, RestSharp is widely used in API testing scenarios and is considered a lightweight Rest Assured alternative due to its simplicity and flexibility in handling RESTful services within .NET applications.

Main Features:

• Simple and flexible API consumption in .NET
• Supports RESTful services and web APIs
• Easy integration with .NET testing frameworks
• Supports synchronous and asynchronous calls
• Extensive community and documentation

Pricing:

• Free (Open Source)

Website: RestSharp

14. Chakram

Chakram is a JavaScript-based API testing framework built on top of Node.js and Mocha, offering a flexible way to write expressive and readable tests for RESTful APIs. As a powerful Rest Assured alternative, Chakram allows developers to perform deep assertions on HTTP responses, making it a robust tool for testing REST APIs.

Main Features:

• JavaScript-based testing for RESTful APIs
• Built on Node.js and Mocha
• Deep assertions on HTTP responses
• Supports BDD-style testing
• Easy integration with CI/CD pipelines

Pricing:

• Free (Open Source)

Website: Chakram

15. PyRestTest

PyRestTest is a simple yet powerful tool for RESTful API testing, written in Python. It allows users to define tests in a declarative JSON or YAML format, making it easy to write and maintain tests. PyRestTest is a great Rest Assured alternative, particularly for developers who prefer working within the Python ecosystem.

Main Features:

• Declarative test definitions in JSON or YAML
• Supports RESTful API testing
• Python-based and easy to extend
• Lightweight and easy to integrate
• Extensive community and documentation

Pricing:

• Free (Open Source)

Website: PyRestTest

16. HTTPie

HTTPie is a user-friendly command-line tool for interacting with web APIs. While it’s primarily a tool for manual testing and debugging, HTTPie’s simplicity and powerful features make it a popular Rest Assured alternative for developers who need to test APIs quickly and efficiently from the terminal.

Main Features:

• Command-line tool for HTTP requests
• Supports RESTful API testing and debugging
• Simple and intuitive syntax
• JSON support with syntax highlighting
• Extensible with plugins

Pricing:

• Free (Open Source)

Website: HTTPie

17. Newman

Newman is a command-line collection runner for Postman, enabling automated and scheduled execution of Postman tests. As a Rest Assured alternative, Newman is particularly useful for integrating Postman tests into CI/CD pipelines, making it easy to run tests as part of the deployment process.

Main Features:

• Command-line execution of Postman collections
• Supports CI/CD pipeline integration
• Extensive reporting options
• Easy to use with existing Postman tests
• Supports data-driven testing

Pricing:

• Free (Open Source)

Website: Newman

18. Paw

Paw is a powerful API client for macOS, designed to streamline the process of testing and debugging APIs. It supports REST, SOAP, and GraphQL APIs, providing an intuitive interface for crafting requests, analyzing responses, and organizing API projects. Paw stands out as a macOS-specific Rest Assured alternative, offering advanced features in a sleek, platform-native package.

Main Features:

• API client for macOS with a sleek interface
• Supports REST, SOAP, and GraphQL
• Advanced request composition and response analysis
• Supports environment variables and dynamic values
• Collaboration features and API documentation

Pricing:

• Free plan available
• Paid plan: Free for the first 5 users, with a cost of $10 per month for each additional user

Website: Paw

19. Apigee

Apigee is a comprehensive API management platform offered by Google Cloud, providing tools for designing, securing, monitoring, and testing APIs. While it’s primarily an API management solution, Apigee’s integrated testing and analytics features make it a powerful Rest Assured alternative for ensuring API quality and reliability.

Main Features:

• API design, security, and management
• Integrated testing and monitoring
• Advanced analytics and reporting
• Supports REST, SOAP, and GraphQL
• Scalable and enterprise-ready

Pricing:

• Free tier available
• Pay-as-you-go: Starting at $20 with up to 50M API calls (per 1M API calls)
• Subscription: Contact sales

Website: Apigee

20. Pytest

Pytest is a widely-used testing framework in Python, offering powerful features for writing and running tests. While it’s not exclusively an API testing tool, Pytest’s extensive plugin ecosystem and support for fixtures and parameterized testing make it an excellent Rest Assured alternative for API testing within Python projects.

Main Features:

• Flexible and powerful testing framework for Python
• Supports unit, functional, and API testing
• Extensive plugin ecosystem
• Parameterized testing and fixtures
• Easy integration with CI/CD pipelines

Pricing:

• Free (Open Source)

Website: Pytest

Summary

These 20 alternatives to REST Assured provide a wide range of features and capabilities, catering to different needs and preferences in API testing. Whether you’re looking for a simple command-line tool, a comprehensive testing platform, or an integrated API management solution, there’s a REST Assured alternative on this list that will meet your requirements in 2024.