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.

Final Round AI - Interview Copilot
RoundClear.in
InterviewAce.online
LockedIn AI
CoPilot Interview
InterviewBuddy
Cluely AI
Screenshot a coding problem, hear your interviewer's voice, get instant answers and full system-design diagrams. Built for the interview, not just chat.

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 | interviewhelpers.com |
| Pricing | — | |
| Platforms | — | |
| Company | — | Startup from Canada · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of ReqRes yet.
The AI copilot for live tech interviews — screenshot a problem, get a structured answer in 2–4 seconds. Interview Helpers is a discreet desktop overlay that handles the three formats every tech interview falls into: coding problems (Ctrl+1 to screenshot and solve), system design (Mermaid diagrams...
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.

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

Share your experience with using ReqRes and Interview Helpers. 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 / almost 3 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 Interview Helpers since May 2026.
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