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positionstack vs Postali

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

APIpositionstackHEALTHY93PostaliHEALTHY99
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms45569
P95 · ms3328824
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — no key, no signup, no monthly limit (per site)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

positionstack vs Postali: common questions

Which is more reliable, positionstack or Postali?

Both are neck-and-neck — positionstack and Postali 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, positionstack or Postali?

Postali has the lower median latency in our checks — positionstack responds in 455 ms versus Postali at 69 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 positionstack and Postali need an API key?

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

Can I call positionstack and Postali from the browser?

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

Are positionstack and Postali free for commercial use?

positionstack has unclear commercial terms, and Postali 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.