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Abstract API vs DummyJSON

Same instrument, two spec sheets — measured, not claimed.

APIAbstract APIHEALTHY93DummyJSONHEALTHY100
Uptime · 30d
Uptime · 90d98.3%100%
Uptime · 30d98.3%100%
P50 · ms39191
P95 · ms16561929
AuthapiKeynone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key may be required for productionFree — no key
Rate limitUnpublished100 req/window · 99 remaining · resets 1783510243
In directory since2026-07-052026-07-05
operationalpartialdownno data

Abstract API vs DummyJSON: common questions

Which is more reliable, Abstract API or DummyJSON?

On our scheduled checks, DummyJSON leads on measured uptime — Abstract API at 98.3% versus DummyJSON 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, Abstract API or DummyJSON?

DummyJSON has the lower median latency in our checks — Abstract API responds in 391 ms versus DummyJSON at 91 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 Abstract API and DummyJSON need an API key?

DummyJSON needs no key, while Abstract API requires a free API key. If you want to start calling without signup, reach for DummyJSON first.

Can I call Abstract API and DummyJSON from the browser?

Yes — both Abstract API and DummyJSON 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 Abstract API and DummyJSON free for commercial use?

Abstract API has unclear commercial terms, and DummyJSON 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.