DummyJSON
Test Data
Fake REST API with products, users, posts, comments, todos and more
No keyCORSHTTPS
JSONing
This API allows users to create a customizable mock API for testing and prototyping. Users can define resources and rules to specify how the API handles requests and responses. It is free and open-source, enabling easy setup for local installations.
Verified 4 days ago: 100% uptime
API key
Not required
HTTPS
Supported
Browser calls
No, needs a proxy
Status
Live · 98/100
What our checks found
- Health score
- 98/100
- Reliability
- 100%
- Average latency
- 1482ms
Last checked 2026-09-18. Measured independently, not self-reported by the provider.
How to call it
A starting template for JSONing. Replace ENDPOINT with the path from the official documentation, which we link above rather than guess at.
# No authentication required.
curl -s "https://jsoning.com/ENDPOINT" \
-H "Accept: application/json"This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.
Where this listing comes from
Aggregated from 2 public sources (freepublicapis, public-api-lists), then normalised and checked by us. If something here is wrong, tell us and we will correct it.
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JSONing — common questions
Answered from what our own scheduled checks found, not from the provider's marketing.
Is JSONing free to use?
JSONing is listed in our free catalogue and required no credential when we called it. It needs no authentication at all, so you can send a request without signing up. Free tiers can still carry rate limits or non-commercial terms, so check the provider's own terms before shipping.
Does JSONing need an API key?
No. We called JSONing on 2026-09-18 with no key, no token and no Authorization header, and it responded. That is what puts it in our no-key collection.
Can I call JSONing from browser JavaScript?
Not directly. JSONing did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.
Is JSONing still working?
Yes, as of 2026-09-18. Our automated check reached JSONing and recorded a 100% reliability score with a median response time of 1482 ms. We re-check on a schedule, and this page updates with the result.
Is JSONing available over HTTPS?
Yes. JSONing serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.