Software Alternatives, Accelerators & Startups

Insomnia REST VS Mocky.io

Compare Insomnia REST VS Mocky.io and see what are their differences

Insomnia REST logo Insomnia REST

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.

Mocky.io logo Mocky.io

Mock your HTTP responses to test your REST API
  • Insomnia REST Landing page
    Landing page //
    2023-10-05
  • Mocky.io Landing page
    Landing page //
    2023-09-16

Insomnia REST features and specs

  • User-Friendly Interface
    Insomnia REST features a clean and intuitive user interface that makes it easy to create, send, and manage API requests without a steep learning curve.
  • Support for Multiple Protocols
    In addition to REST, Insomnia supports GraphQL and gRPC, making it versatile for developers working with different API protocols.
  • Environment Management
    Insomnia allows you to create and manage multiple environments, making it easier to switch between staging, development, and production settings.
  • Custom Plugins and Themes
    Insomnia supports custom plugins and themes, allowing users to extend its functionality and personalize the interface to suit their workflow.
  • Collaboration Features
    With Insomnia Teams, users can collaborate and share API requests, environments, and other resources, enhancing team productivity.
  • Cross-Platform Availability
    Insomnia is available on multiple platforms, including Windows, macOS, and Linux, providing flexibility for users on different operating systems.

Possible disadvantages of Insomnia REST

  • Resource Heavy
    Some users have reported that Insomnia can be resource-intensive, leading to potential performance issues on lower-end machines.
  • Limited Free Features
    While Insomnia offers a free tier, some of the more advanced features, such as team collaboration and sync capabilities, require a paid subscription.
  • Steeper Learning Curve for Advanced Features
    Although the basic functionalities are user-friendly, mastering the more advanced features might require a steeper learning curve.
  • Dependency on Electron
    Since Insomnia is built on Electron, it might consume more memory and disk space compared to native applications.
  • Complex Plugin System
    While the plugin system is powerful, it can be complex and challenging for users who are not familiar with JavaScript and Node.js.

Mocky.io features and specs

  • User-friendly Interface
    Mocky.io provides a simple and intuitive interface that allows users to create and manage mock APIs without needing extensive technical knowledge.
  • Customization
    It offers various customization options for responses, allowing users to specify different HTTP statuses, headers, and response times.
  • Quick Setup
    The platform allows for rapid creation and deployment of mock endpoints, which is beneficial for fast-paced development environments.
  • Free to Use
    Mocky.io is accessible without any cost, making it a budget-friendly tool for developers and teams.
  • No Account Required
    Users can create mock endpoints without the need for creating an account, reducing friction for quick testing.

Possible disadvantages of Mocky.io

  • Limited Features
    Compared to more robust API mocking solutions, Mocky.io offers a limited set of features which might not suffice for complex mocking scenarios.
  • Scalability
    The lack of support for high traffic or enterprise-level operations may pose challenges for larger projects requiring extensive mock infrastructures.
  • No End-to-End Integration
    Mocky.io doesn't provide integration capabilities with other development tools or CI/CD pipelines, limiting its utility in comprehensive development environments.
  • Risk of Downtime
    As a free service, there may be potential reliability issues, such as downtime or slower response times during peak usage periods.
  • Lack of Support
    Being a free tool, it might not offer solid customer support or community forums, potentially leaving users without guidance during issues.

Analysis of Insomnia REST

Overall verdict

  • Insomnia REST is an excellent choice for developers who need a robust and intuitive tool for API development and testing. Its comprehensive features and ease of use make it a competitive option alongside other popular API clients.

Why this product is good

  • Insomnia REST is widely regarded as a powerful tool due to its user-friendly interface, extensive plugin ecosystem, and support for multiple authentication protocols. It allows users to easily build, debug, and test RESTful APIs with features like environment variables, code generation, and response validation. Moreover, its compatibility with GraphQL and gRPC makes it versatile for modern development needs.

Recommended for

  • API Developers
  • Software Testers
  • Backend Engineers
  • Technical Leads
  • Anyone involved in RESTful API development and testing

Insomnia REST videos

3 Reasons to use Insomnia REST Client in your Exploratory API Testing

More videos:

  • Tutorial - Insomnia REST Client Tutorial

Mocky.io videos

No Mocky.io videos yet. You could help us improve this page by suggesting one.

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Category Popularity

0-100% (relative to Insomnia REST and Mocky.io)
API Tools
94 94%
6% 6
Developer Tools
92 92%
8% 8
APIs
88 88%
12% 12
API
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare Insomnia REST and Mocky.io

Insomnia REST Reviews

Top 20 Open Source & Cloud Free Postman Alternatives (2024 Updated)
Product Introduction: Insomnia is a powerful open-source API client designed for simplicity and efficiency and works great as a postman alternative. It supports REST, GraphQL, and gRPC, making it versatile for various API types.
Source: medium.com
Best Postman Alternatives To Consider in 2025
It is a free, open-source platform that boasts a user-friendly interface and robust features like environment and collection management, code snippets, and test automation. Compared to Postman, Insomnia offers a lighter footprint and a more customizable workspace.
Postman Alternatives for API Testing and Monitoring
Insomnia is a user-friendly tool for API development and testing. Insomnia allows creating and sending HTTP and REST requests, like GET, POST, PUT, DELETE, and more. Users can view API responses, including status codes, headers, and body. This enables understanding how the application handles different response scenarios, for efficient debugging.
Top 10 HTTP Client and Web Debugging Proxy Tools (2023)
Insomnia REST is the best alternative for Postman. It has more than 350 open-source plugins, plus GraphQL built-in with multiple protocol support. Since GraphQL is an added value, you can fully automate the entire lifecycle of APIs, build and debug them efficiently and with ease.
15 Best Postman Alternatives for Automated API Testing [2022 Updated]
Insomnia by Kong enables you to deliver high-quality APIs through collaboration. This postman alternative also includes testing suites, which allow you to create functional tests and centralize APIs. With this platform’s streamlined API client, sending GraphQL, REST, and SOAP requests are simple. Defining variables such as authentication credentials allows you to manage...
Source: testsigma.com

Mocky.io Reviews

We have no reviews of Mocky.io yet.
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Social recommendations and mentions

Based on our record, Insomnia REST seems to be a lot more popular than Mocky.io. While we know about 129 links to Insomnia REST, we've tracked only 3 mentions of Mocky.io. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Insomnia REST mentions (129)

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Mocky.io mentions (3)

What are some alternatives?

When comparing Insomnia REST and Mocky.io, you can also consider the following products

Postman - The Collaboration Platform for API Development

Hoppscotch - Open source API development ecosystem

Swagger Inspector - Free online tool to test APIs and autogenerate documentation

RapidAPI for Mac - Paw is a REST client for Mac.

Mockoon - Mockoon is the easiest and quickest way to design and run mock REST APIs. No remote deployment, no account required, free and open-source.

soapUI - SoapUI Pro is one of the most prominent API testing platforms around, allowing developers to quickly prototype the functions of their apps and get them to market with little hassle.