JSON Placeholder
JSON Server
mocki Fake JSON API
httpbin(1)
MockRest
Nacapi
Format JSON Online
A hosted REST-API ready to respond to your AJAX requests.

reefnotes
AquaTasks
ShrimpTank.app
FishCare AI
TankBud
Aquarium Management Application

Which is more popular?
Based on our record, ReqRes seems to be more popular. It has been mentioned 21 times since March 2021.
Website, pricing, platforms and company facts side by side.
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RR
ReqRes
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|---|---|---|
| Website | reqres.in | aquakeeper.app |
| Pricing | — | |
| Company | — | Startup from France · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of ReqRes yet.
AquaKeeper is an Aquarium Management Application that helps Aquarists to maintain their aquariums healthy. User can create multiple aquariums. Schedule tasks, complete them and follow a complete history of their actions. Save all water measurements. Specify species and plants for each aquarium....
What each product offers, as listed by its team.

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

As answered by people managing ReqRes and AquaKeeper.app.
AquaKeeper.app's answer:
React, Java Spring
AquaKeeper.app's answer:
Developed by an aquarist for all aquarium and fish keepers. Available in 5 languages: FR, EN, DE, ES, IT. A really nice interface, both compatible on Desktop and mobile.
Share your experience with using ReqRes and AquaKeeper.app. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Https://reqres.in/ - roughly that much in ads revenue. Would love to add a paid plan for more features, but....time. - Source: Hacker News / almost 2 years ago
Reqres.in - A Free hosted REST-API ready to respond to your AJAX requests. - Source: dev.to / over 2 years ago
As stated earlier we are using the REQ | RES API in the example, you can check it out to see all the methods it provides. Now, go to the core/internet_services/ create a dart file and name it paths.dart, this will contain the baseurl and... - Source: dev.to / over 3 years ago
Tracking AquaKeeper.app since Sep 2026.
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