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Piloterr vs US Autocomplete

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

APIPiloterrNEW—US AutocompleteREACHABLE—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Piloterr vs US Autocomplete: common questions

Which is more reliable, Piloterr or US Autocomplete?

On our scheduled checks, US Autocomplete leads on measured uptime — Piloterr at —% versus US Autocomplete at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do Piloterr and US Autocomplete need an API key?

Both ask you to authenticate — Piloterr uses an API key and US Autocomplete uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call Piloterr and US Autocomplete from the browser?

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

Are Piloterr and US Autocomplete free for commercial use?

Piloterr has unclear commercial terms, and US Autocomplete 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.