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Data.gov vs OpenMercantil

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

APIData.govHEALTHY79OpenMercantilHEALTHY90
Uptime · 30d
Uptime · 90d100%93.1%
Uptime · 30d100%98.3%
P50 · ms931116
P95 · ms20353973
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — anonymous, no key
Rate limitUnpublished60 req/min, 200 req/day per IP (anonymous)
In directory since2026-07-052026-07-05
operationalpartialdownno data

Data.gov vs OpenMercantil: common questions

Which is more reliable, Data.gov or OpenMercantil?

On our scheduled checks, Data.gov leads on measured uptime — Data.gov at 100% versus OpenMercantil at 93.1% 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, Data.gov or OpenMercantil?

OpenMercantil has the lower median latency in our checks — Data.gov responds in 931 ms versus OpenMercantil at 116 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 Data.gov and OpenMercantil need an API key?

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

Can I call Data.gov and OpenMercantil from the browser?

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

Are Data.gov and OpenMercantil free for commercial use?

Data.gov has unclear commercial terms, and OpenMercantil 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.