DummyJSON vs jsDelivr
Same instrument, two spec sheets — measured, not claimed.
DummyJSON vs jsDelivr: common questions
Which is more reliable, DummyJSON or jsDelivr?
On our scheduled checks, jsDelivr leads on measured uptime — DummyJSON at 99.02% versus jsDelivr at 100% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.
Which is faster, DummyJSON or jsDelivr?
DummyJSON has the lower median latency in our checks — DummyJSON responds in 32 ms versus jsDelivr at 181 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.
Do DummyJSON and jsDelivr need an API key?
Neither needs a paid key — DummyJSON is callable with no signup, and jsDelivr is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call DummyJSON and jsDelivr from the browser?
Yes — both DummyJSON and jsDelivr send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.
Are DummyJSON and jsDelivr free for commercial use?
DummyJSON has unclear commercial terms, and jsDelivr has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.