IBM X-Force Exchange API vs REST Countries
Same instrument, two spec sheets — measured, not claimed.
IBM X-Force Exchange API vs REST Countries: common questions
Which is more reliable, IBM X-Force Exchange API or REST Countries?
On our scheduled checks, REST Countries leads on measured uptime — IBM X-Force Exchange API at 98.0% versus REST Countries 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, IBM X-Force Exchange API or REST Countries?
IBM X-Force Exchange API has the lower median latency in our checks — IBM X-Force Exchange API responds in 238 ms versus REST Countries at 328 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 IBM X-Force Exchange API and REST Countries need an API key?
REST Countries needs no key, while IBM X-Force Exchange API requires a free API key. If you want to start calling without signup, reach for REST Countries first.
Can I call IBM X-Force Exchange API and REST Countries from the browser?
Neither sends browser-friendly CORS headers reliably, so call IBM X-Force Exchange API and REST Countries from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.
Are IBM X-Force Exchange API and REST Countries free for commercial use?
IBM X-Force Exchange API has unclear commercial terms, and REST Countries allows commercial use on its free tier. 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.