Data.gov vs REG-Vault
Same instrument, two spec sheets — measured, not claimed.
Data.gov vs REG-Vault: common questions
Which is more reliable, Data.gov or REG-Vault?
On our scheduled checks, Data.gov leads on measured uptime — Data.gov at 100% versus REG-Vault 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 REG-Vault?
REG-Vault has the lower median latency in our checks — Data.gov responds in 931 ms versus REG-Vault at 260 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 REG-Vault need an API key?
Neither needs a paid key — Data.gov is callable with no signup, and REG-Vault is callable with no signup. Both are quick to prototype with; rate limits still apply.
Can I call Data.gov and REG-Vault from the browser?
Only REG-Vault 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 REG-Vault free for commercial use?
Data.gov has unclear commercial terms, and REG-Vault 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.