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PredScope vs World Trading Data

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

APIPredScopeHEALTHY97World Trading DataHEALTHY94
Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%98.3%
P50 · ms326423
P95 · ms621920
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key may be required for production
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

PredScope vs World Trading Data: common questions

Which is more reliable, PredScope or World Trading Data?

On our scheduled checks, PredScope leads on measured uptime — PredScope at 100% versus World Trading Data at 99.02% 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, PredScope or World Trading Data?

PredScope has the lower median latency in our checks — PredScope responds in 326 ms versus World Trading Data at 423 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 PredScope and World Trading Data need an API key?

PredScope needs no key, while World Trading Data requires a free API key. If you want to start calling without signup, reach for PredScope first.

Can I call PredScope and World Trading Data from the browser?

Only PredScope is browser-friendly — it returns CORS headers over HTTPS. World Trading Data needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are PredScope and World Trading Data free for commercial use?

PredScope has unclear commercial terms, and World Trading Data 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.