GitHub Contribution Chart Generator vs Voidly

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

Uptime · 30d
Uptime · 90d79.4%100%
Uptime · 30d85.0%100%
P50 · ms43741238
P95 · ms49923894
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverified (derived from public GitHub profile data)CC BY 4.0
Free tierFree — no keyFree (keyless data endpoints; Hydra ML endpoints need a key)
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GitHub Contribution Chart Generator vs Voidly: common questions

Which is more reliable, GitHub Contribution Chart Generator or Voidly?

On our scheduled checks, Voidly leads on measured uptime — GitHub Contribution Chart Generator at 79.4% versus Voidly 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 Voidly?

Voidly has the lower median latency in our checks — GitHub Contribution Chart Generator responds in 4374 ms versus Voidly at 1238 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 Voidly need an API key?

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

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

Only Voidly 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 Voidly free for commercial use?

GitHub Contribution Chart Generator has unclear commercial terms, and Voidly 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.