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GitHub Contribution Chart Generator vs Microlink.io

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

APIGitHub Contribution Chart GeneratorNEW—Microlink.ioNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (derived from public GitHub profile data)N/A — returns metadata extracted from the URL you pass
Free tierFree — no keyFree tier — no key required (Pro plans need a key)
Rate limitUnpublishedFree tier is rate-limited per day (see pricing)
In directory since2026-07-052026-07-05
operationalpartialdownno data

GitHub Contribution Chart Generator vs Microlink.io: common questions

Which is more reliable, GitHub Contribution Chart Generator or Microlink.io?

On our scheduled checks, Microlink.io leads on measured uptime — GitHub Contribution Chart Generator at —% versus Microlink.io 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 Microlink.io need an API key?

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

Can I call GitHub Contribution Chart Generator and Microlink.io from the browser?

Only Microlink.io 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 Microlink.io free for commercial use?

GitHub Contribution Chart Generator has unclear commercial terms, and Microlink.io 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.