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OpenRegistry vs USAspending.gov

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

APIOpenRegistryDYING86USAspending.govDEAD0
Uptime · 30d
Uptime · 90d80.0%0.0%
Uptime · 30d43.3%0.0%
P50 · ms241—
P95 · ms1132—
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedU.S. Government Work (public domain)
Free tierFree tier — API key requiredFree — no key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

OpenRegistry vs USAspending.gov: common questions

Which is more reliable, OpenRegistry or USAspending.gov?

On our scheduled checks, OpenRegistry leads on measured uptime — OpenRegistry at 80.0% versus USAspending.gov at 0.0% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do OpenRegistry and USAspending.gov need an API key?

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

Can I call OpenRegistry and USAspending.gov from the browser?

Neither sends browser-friendly CORS headers reliably, so call OpenRegistry and USAspending.gov from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are OpenRegistry and USAspending.gov free for commercial use?

OpenRegistry has unclear commercial terms, and USAspending.gov allows commercial use on its free tier. 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.