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GitHub Contribution Chart Generator vs Micro User Service

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

APIGitHub Contribution Chart GeneratorHEALTHY68Micro User ServiceDEAD0
Uptime · 30d
Uptime · 90d79.4%18.6%
Uptime · 30d85.0%0.0%
P50 · ms4374231
P95 · ms4992827
AuthnoneapiKey
CORSnono
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, GitHub Contribution Chart Generator leads on measured uptime — GitHub Contribution Chart Generator at 79.4% versus Micro User Service at 18.6% 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 Micro User Service?

Micro User Service has the lower median latency in our checks — GitHub Contribution Chart Generator responds in 4374 ms versus Micro User Service at 231 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 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?

Neither sends browser-friendly CORS headers reliably, so call GitHub Contribution Chart Generator and Micro User Service 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 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.