Fixer API vs HOL Registry Broker
Same instrument, two spec sheets — measured, not claimed.
Fixer API vs HOL Registry Broker: common questions
Which is more reliable, Fixer API or HOL Registry Broker?
Both are neck-and-neck — Fixer API and HOL Registry Broker each measure 99.02% 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.
Which is faster, Fixer API or HOL Registry Broker?
HOL Registry Broker has the lower median latency in our checks — Fixer API responds in 448 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 Fixer API and HOL Registry Broker need an API key?
Both ask you to authenticate — Fixer API uses an API key and HOL Registry Broker 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 Fixer API and HOL Registry Broker from the browser?
Neither sends browser-friendly CORS headers reliably, so call Fixer API 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 Fixer API and HOL Registry Broker free for commercial use?
Fixer API 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.