
JSONing API
Format JSON Online
JSON Placeholder
ReqRes
Beeceptor
Mockae
MockAPI
mock rest,rest mock,free json mock,api,mock api,free mock service,mock data

Letter Generator
Paste a letter from any government body or authority and get a clear, plain-language translation within 10 seconds. €0.99 per letter or €4.99 per month.

Which is more popular?
Website, pricing, platforms and company facts side by side.
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|---|---|---|
| Website | mockrest.com | decoder.discretemachine.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Poland · 1 - 9 employees · 2025 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Mock REST endpoints in seconds. Test without backend delays. Built for developers who need reliable mock data now.
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What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using MockRest and BriefDecoder. For example, how are they different and which one is better?
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Write an entire letter in less than a minute!
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Easily format, validate, and beautify JSON data with our free online tool. Includes powerful JSON conversion features for seamless data management
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JSON Placeholder is a modern platform that provides you online REST API, which you can instantly use whenever you need any fake data.
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A hosted REST-API ready to respond to your AJAX requests.
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Unblock yourself from API dependencies, and build & integrate with APIs fast. Beeceptor helps you build a mock Rest API in a few seconds.
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