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Marketstack vs paralelo.bo

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

APIMarketstackHEALTHY93paralelo.boHEALTHY92
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms470593
P95 · ms40681499
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished (60s cache stated)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Marketstack vs paralelo.bo: common questions

Which is more reliable, Marketstack or paralelo.bo?

Both are neck-and-neck — Marketstack and paralelo.bo each measure 100% 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, Marketstack or paralelo.bo?

Marketstack has the lower median latency in our checks — Marketstack responds in 470 ms versus paralelo.bo at 593 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 Marketstack and paralelo.bo need an API key?

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

Can I call Marketstack and paralelo.bo from the browser?

Only paralelo.bo 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 Marketstack and paralelo.bo free for commercial use?

Marketstack has unclear commercial terms, and paralelo.bo 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.