Registrum API vs User Data Scraper

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

Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms246436
P95 · ms15531285
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Registrum API vs User Data Scraper: common questions

Which is more reliable, Registrum API or User Data Scraper?

Both are neck-and-neck — Registrum API and User Data Scraper each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Registrum API or User Data Scraper?

Registrum API has the lower median latency in our checks — Registrum API responds in 246 ms versus User Data Scraper at 436 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 Registrum API and User Data Scraper need an API key?

User Data Scraper needs no key, while Registrum API requires a free API key. If you want to start calling without signup, reach for User Data Scraper first.

Can I call Registrum API and User Data Scraper from the browser?

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

Are Registrum API and User Data Scraper free for commercial use?

Registrum API has unclear commercial terms, and User Data Scraper 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.