ReqRes vs SiteIntel
Same instrument, two spec sheets — measured, not claimed.
ReqRes vs SiteIntel: common questions
Which is more reliable, ReqRes or SiteIntel?
Both are neck-and-neck — ReqRes and SiteIntel each measure 100% 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, ReqRes or SiteIntel?
ReqRes has the lower median latency in our checks — ReqRes responds in 256 ms versus SiteIntel at 1005 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 ReqRes and SiteIntel need an API key?
ReqRes needs no key, while SiteIntel requires a free API key. If you want to start calling without signup, reach for ReqRes first.
Can I call ReqRes and SiteIntel from the browser?
Neither sends browser-friendly CORS headers reliably, so call ReqRes and SiteIntel from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are ReqRes and SiteIntel free for commercial use?
ReqRes has unclear commercial terms, and SiteIntel 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.