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Crates.io vs Image-Charts

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

APICrates.ioHEALTHY90Image-ChartsHEALTHY99
Uptime · 30d
Uptime · 90d99.02%99.02%
Uptime · 30d100%98.3%
P50 · ms45880
P95 · ms1317499
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Crates.io vs Image-Charts: common questions

Which is more reliable, Crates.io or Image-Charts?

Both are neck-and-neck — Crates.io and Image-Charts each measure 99.02% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Crates.io or Image-Charts?

Image-Charts has the lower median latency in our checks — Crates.io responds in 458 ms versus Image-Charts at 80 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 Crates.io and Image-Charts need an API key?

Neither needs a paid key — Crates.io is callable with no signup, and Image-Charts is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Crates.io and Image-Charts from the browser?

Only Crates.io is browser-friendly — it returns CORS headers over HTTPS. Image-Charts needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Crates.io and Image-Charts free for commercial use?

Crates.io has unclear commercial terms, and Image-Charts 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.