Markbase vs World Trading Data

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

Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d98.3%98.3%
P50 · ms866423
P95 · ms1568920
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key may be required for production
Rate limit30 req/window · 29 remaining · resets 1783519324Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Markbase vs World Trading Data: common questions

Which is more reliable, Markbase or World Trading Data?

Both are neck-and-neck — Markbase and World Trading Data each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Markbase or World Trading Data?

World Trading Data has the lower median latency in our checks — Markbase responds in 866 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 Markbase and World Trading Data need an API key?

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

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

Only Markbase 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 Markbase and World Trading Data free for commercial use?

Markbase 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.