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HOL Registry Broker vs The Odds API

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

APIHOL Registry BrokerHEALTHY94The Odds APIREACHABLE100
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms386225
P95 · ms9132101
AuthapiKeyapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree tier — API key required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

HOL Registry Broker vs The Odds API: common questions

Which is more reliable, HOL Registry Broker or The Odds API?

On our scheduled checks, The Odds API leads on measured uptime — HOL Registry Broker at 99.02% versus The Odds 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.

Which is faster, HOL Registry Broker or The Odds API?

The Odds API has the lower median latency in our checks — HOL Registry Broker responds in 386 ms versus The Odds API at 225 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 HOL Registry Broker and The Odds API need an API key?

Both ask you to authenticate — HOL Registry Broker uses an API key and The Odds API 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 HOL Registry Broker and The Odds API from the browser?

Only The Odds API is browser-friendly — it returns CORS headers over HTTPS. HOL Registry Broker needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are HOL Registry Broker and The Odds API free for commercial use?

HOL Registry Broker has unclear commercial terms, and The Odds 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.