Registrum API vs The Guardian
Same instrument, two spec sheets — measured, not claimed.
Registrum API vs The Guardian: common questions
Which is more reliable, Registrum API or The Guardian?
On our scheduled checks, Registrum API leads on measured uptime — Registrum API at 100% versus The Guardian at 98.0% 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, Registrum API or The Guardian?
Registrum API has the lower median latency in our checks — Registrum API responds in 246 ms versus The Guardian at 742 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 The Guardian need an API key?
Both ask you to authenticate — Registrum API uses an API key and The Guardian uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.
Can I call Registrum API and The Guardian from the browser?
Only The Guardian is browser-friendly — it returns CORS headers over HTTPS. Registrum API needs a server-side call or proxy, so factor that into which one fits a front-end project.
Are Registrum API and The Guardian free for commercial use?
Registrum API has unclear commercial terms, and The Guardian 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.