GitHub Contribution Chart Generator vs Micro User Service

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
AuthnoneapiKey
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (derived from public GitHub profile data)Unverified
Free tierFree — no keyFree tier — key may be required
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GitHub Contribution Chart Generator vs Micro User Service: common questions

Which is more reliable, GitHub Contribution Chart Generator or Micro User Service?

On our scheduled checks, Micro User Service leads on measured uptime — GitHub Contribution Chart Generator at —% versus Micro User Service at —% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Do GitHub Contribution Chart Generator and Micro User Service need an API key?

GitHub Contribution Chart Generator needs no key, while Micro User Service requires a free API key. If you want to start calling without signup, reach for GitHub Contribution Chart Generator first.

Can I call GitHub Contribution Chart Generator and Micro User Service from the browser?

Only Micro User Service is browser-friendly — it returns CORS headers over HTTPS. GitHub Contribution Chart Generator needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are GitHub Contribution Chart Generator and Micro User Service free for commercial use?

GitHub Contribution Chart Generator has unclear commercial terms, and Micro User Service 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.