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Markbase vs Marketstack

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

APIMarkbaseHEALTHY85MarketstackHEALTHY93
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms866470
P95 · ms15684068
AuthnoneapiKey
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — key may be required
Rate limit30 req/window · 29 remaining · resets 1783519324Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Markbase vs Marketstack: common questions

Which is more reliable, Markbase or Marketstack?

On our scheduled checks, Marketstack leads on measured uptime — Markbase at 99.02% versus Marketstack 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, Markbase or Marketstack?

Marketstack has the lower median latency in our checks — Markbase responds in 866 ms versus Marketstack at 470 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 Marketstack need an API key?

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

Can I call Markbase and Marketstack from the browser?

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

Are Markbase and Marketstack free for commercial use?

Markbase has unclear commercial terms, and Marketstack 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.