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GitHub Contribution Chart Generator vs Spaceflight News

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

APIGitHub Contribution Chart GeneratorHEALTHY68Spaceflight NewsHEALTHY63
Uptime · 30d
Uptime · 90d79.4%95.1%
Uptime · 30d85.0%91.7%
P50 · ms4374864
P95 · ms49924497
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (derived from public GitHub profile data)Unverified (links/metadata for third-party news)
Free tierFree — no keyFree — no key
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

GitHub Contribution Chart Generator vs Spaceflight News: common questions

Which is more reliable, GitHub Contribution Chart Generator or Spaceflight News?

On our scheduled checks, Spaceflight News leads on measured uptime — GitHub Contribution Chart Generator at 79.4% versus Spaceflight News at 95.1% 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 Spaceflight News?

Spaceflight News has the lower median latency in our checks — GitHub Contribution Chart Generator responds in 4374 ms versus Spaceflight News at 864 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 Spaceflight News need an API key?

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

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

Only Spaceflight News 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 Spaceflight News free for commercial use?

GitHub Contribution Chart Generator has unclear commercial terms, and Spaceflight News 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.