InfraNode Open Data API vs ViaCep

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

Uptime · 30d
Uptime · 90d100%98.0%
Uptime · 30d100%98.3%
P50 · ms263651
P95 · ms4982277
Authnonenone
CORSyesyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limit300 req/window · 299 remaining · resets 1783517525.6504178Unpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

InfraNode Open Data API vs ViaCep: common questions

Which is more reliable, InfraNode Open Data API or ViaCep?

On our scheduled checks, InfraNode Open Data API leads on measured uptime — InfraNode Open Data API at 100% versus ViaCep at 98.0% 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, InfraNode Open Data API or ViaCep?

InfraNode Open Data API has the lower median latency in our checks — InfraNode Open Data API responds in 263 ms versus ViaCep at 651 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 InfraNode Open Data API and ViaCep need an API key?

Neither needs a paid key — InfraNode Open Data API is callable with no signup, and ViaCep is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call InfraNode Open Data API and ViaCep from the browser?

Yes — both InfraNode Open Data API and ViaCep 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 InfraNode Open Data API and ViaCep free for commercial use?

InfraNode Open Data API has unclear commercial terms, and ViaCep 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.