Court Rules vs Registrum API

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

Uptime · 30d
Uptime · 90d0.0%100%
Uptime · 30d0.0%100%
P50 · ms—138
P95 · ms—1553
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified
Free tierFree tier — API key required
Rate limitUnpublished
In directory since2026-10-042026-07-05
operationalpartialdownno data

Court Rules vs Registrum API: common questions

Which is more reliable, Court Rules or Registrum API?

On our scheduled checks, Registrum API leads on measured uptime — Court Rules at 0.0% versus Registrum API 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.

Do Court Rules and Registrum API need an API key?

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

Can I call Court Rules and Registrum API from the browser?

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

Are Court Rules and Registrum API free for commercial use?

Court Rules has unclear commercial terms, and Registrum API 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.