ElonMuskAPI vs HOL Registry Broker

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

Uptime · 30d
Uptime · 90d100%99.02%
Uptime · 30d100%100%
P50 · ms636386
P95 · ms1144913
AuthnoneapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

ElonMuskAPI vs HOL Registry Broker: common questions

Which is more reliable, ElonMuskAPI or HOL Registry Broker?

On our scheduled checks, ElonMuskAPI leads on measured uptime — ElonMuskAPI at 100% versus HOL Registry Broker at 99.02% 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, ElonMuskAPI or HOL Registry Broker?

HOL Registry Broker has the lower median latency in our checks — ElonMuskAPI responds in 636 ms versus HOL Registry Broker at 386 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 ElonMuskAPI and HOL Registry Broker need an API key?

ElonMuskAPI needs no key, while HOL Registry Broker requires a free API key. If you want to start calling without signup, reach for ElonMuskAPI first.

Can I call ElonMuskAPI and HOL Registry Broker from the browser?

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

Are ElonMuskAPI and HOL Registry Broker free for commercial use?

ElonMuskAPI has unclear commercial terms, and HOL Registry Broker 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.