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Insomnia REST VS ErrorCodeReference

Compare Insomnia REST VS ErrorCodeReference and see what are their differences

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.

Rating
0 reviews
Pricing
Open source
Alternatives Is it good?
ErrorCodeReference

Free Windows error code database with 1,000+ step-by-step fixes for BSOD, update failures, driver and network errors.

Rating
0 reviews
Pricing
Open source Free
Alternatives Is it good?
Modelence
Create production-ready applications with zero code sponsored

Which is more popular?

Based on our record, Insomnia REST seems to be more popular. It has been mentioned 134 times since March 2021.

social mentions
134 vs 0
API Tools popularity
100% vs 0%
alternatives listed
240+ vs 6

Base details

Website, pricing, platforms and company facts side by side.

Insomnia REST
ErrorCodeReference
Website insomnia.rest errorcodereference.com
Pricing
Open source Official pricing
Open source Free
Company Startup from the United States 1 - 9 employees · 2026
Listed in
API Tools API Developer Tools REST Client +1
Developer Tools IT Management Error Tracking Windows Tools +1

About Insomnia REST and ErrorCodeReference

In their own words, as submitted to SaaSHub.

Insomnia REST
ErrorCodeReference

No description of Insomnia REST yet.

Here's a clean description for SaaSHub: ErrorCodeReference is a free, ad-free database of 1,000+ Windows error code fixes. Whether you're dealing with a BSOD, a failed Windows Update, a driver error, or a network issue, you can search any error code or keyword and get a clear step-by-step guide...

Read more about ErrorCodeReference

Features and specs

What each product offers, as listed by its team.

Insomnia REST 6 features
ErrorCodeReference 0 features
  • 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

  • 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.

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

Insomnia REST
ErrorCodeReference

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

No analysis of ErrorCodeReference yet.

Videos

Walkthroughs and reviews on video.

Insomnia REST 2 videos + Add
ErrorCodeReference 0 videos + Add

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

More videos

  • - Insomnia REST Client Tutorial

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

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Insomnia REST
ErrorCodeReference
100% 100%
API Tools
0% 0%
0% 0%
Windows Tools
100% 100%
98% 98%
Developer Tools
2% 2%
0% 0%
Error Tracking
100% 100%

Questions & Answers

As answered by people managing Insomnia REST and ErrorCodeReference.

What makes your product unique?

ErrorCodeReference's answer:

Every guide is written specifically for that error code, not a generic troubleshooting checklist. Search any Windows error code or keyword and you get a direct fix. No account needed, no paywall, completely free and ad-free.

Why should a person choose your product over its competitors?

ErrorCodeReference's answer:

Most Windows error help is buried in forum threads from 2011 with no real resolution. ErrorCodeReference gives you one place with a clear, current, step-by-step fix for over 1,000 Windows errors. Free forever, no ads, no sign-up required.

How would you describe the primary audience of your product?

ErrorCodeReference's answer:

Windows 10 and 11 users ranging from everyday home users dealing with a BSOD to IT professionals troubleshooting driver and update failures.

What's the story behind your product?

ErrorCodeReference's answer:

After 6 years answering Windows error questions on Microsoft Q&A, I kept seeing the same problem. People googling error codes and landing on outdated forum posts that never actually solved anything. So I built the site I wished existed. 1,000+ error fixes, completely free.

Which are the primary technologies used for building your product?

ErrorCodeReference's answer:

HTML, CSS, JavaScript and Cloudflare.

Who are some of the biggest customers of your product?

ErrorCodeReference's answer:

ErrorCodeReference is a free tool used by everyday Windows users and IT professionals. We don't have paying customers as the service is completely free to use.

User comments

Share your experience with using Insomnia REST and ErrorCodeReference. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Insomnia REST no reviews yet
ErrorCodeReference no reviews yet

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We have no reviews of ErrorCodeReference yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Insomnia REST 134 mentions
ErrorCodeReference 0 mentions

View more

Tracking ErrorCodeReference since Apr 2026.

Alternatives to Insomnia REST and ErrorCodeReference

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

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