Minor Planet Center vs Phone Number Validator

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

Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d98.3%100%
P50 · ms217342
P95 · ms1337706
Authnonenone
CORSyesyes
HTTPSnoyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (data derived from JPL/MPC)Unverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Minor Planet Center vs Phone Number Validator: common questions

Which is more reliable, Minor Planet Center or Phone Number Validator?

On our scheduled checks, Phone Number Validator leads on measured uptime — Minor Planet Center at 99.02% versus Phone Number Validator at 100% 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, Minor Planet Center or Phone Number Validator?

Minor Planet Center has the lower median latency in our checks — Minor Planet Center responds in 217 ms versus Phone Number Validator at 342 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 Minor Planet Center and Phone Number Validator need an API key?

Neither needs a paid key — Minor Planet Center is callable with no signup, and Phone Number Validator is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Minor Planet Center and Phone Number Validator from the browser?

Only Phone Number Validator is browser-friendly — it returns CORS headers over HTTPS. Minor Planet Center needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Minor Planet Center and Phone Number Validator free for commercial use?

Minor Planet Center has unclear commercial terms, and Phone Number Validator 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.