GitHub Contribution Chart Generator vs REST Countries

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

Uptime · 30d
Uptime · 90d79.4%100%
Uptime · 30d85.0%100%
P50 · ms4374328
P95 · ms49921189
Authnonenone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverified (derived from public GitHub profile data)MPL-2.0
Free tierFree — no keyUnlimited
Rate limitUnpublishedNone published
In directory since2026-07-052026-05-02
operationalpartialdownno data

GitHub Contribution Chart Generator vs REST Countries: common questions

Which is more reliable, GitHub Contribution Chart Generator or REST Countries?

On our scheduled checks, REST Countries leads on measured uptime — GitHub Contribution Chart Generator at 79.4% 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, GitHub Contribution Chart Generator or REST Countries?

REST Countries has the lower median latency in our checks — GitHub Contribution Chart Generator responds in 4374 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 GitHub Contribution Chart Generator and REST Countries need an API key?

Neither needs a paid key — GitHub Contribution Chart Generator is callable with no signup, and REST Countries is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call GitHub Contribution Chart Generator and REST Countries from the browser?

Neither sends browser-friendly CORS headers reliably, so call GitHub Contribution Chart Generator 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 GitHub Contribution Chart Generator and REST Countries free for commercial use?

GitHub Contribution Chart Generator 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.