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Court Rules vs Urlbox API

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

APICourt RulesDYING37Urlbox APIDEAD0
Uptime · 30d
Uptime · 90d0.0%0.0%
Uptime · 30d0.0%0.0%
P50 · ms——
P95 · ms——
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 Urlbox API: common questions

Which is more reliable, Court Rules or Urlbox API?

Both are neck-and-neck — Court Rules and Urlbox API each measure 0.0% 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.

Do Court Rules and Urlbox API need an API key?

Court Rules needs no key, while Urlbox 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 Urlbox API from the browser?

Neither sends browser-friendly CORS headers reliably, so call Court Rules and Urlbox 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 Urlbox API free for commercial use?

Court Rules has unclear commercial terms, and Urlbox 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.