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Colombia Public API vs US ZipCode

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

APIColombia Public APINEW—US ZipCodeNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthnoneapiKey
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Colombia Public API vs US ZipCode: common questions

Which is more reliable, Colombia Public API or US ZipCode?

On our scheduled checks, US ZipCode leads on measured uptime — Colombia Public API at —% versus US ZipCode 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 Colombia Public API and US ZipCode need an API key?

Colombia Public API needs no key, while US ZipCode requires a free API key. If you want to start calling without signup, reach for Colombia Public API first.

Can I call Colombia Public API and US ZipCode from the browser?

Yes — both Colombia Public API and US ZipCode send CORS headers over HTTPS, so front-end code can fetch either directly with no backend proxy. That makes them easy to swap in a client-side app while you compare responses.

Are Colombia Public API and US ZipCode free for commercial use?

Colombia Public API has unclear commercial terms, and US ZipCode 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.