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Crates.io vs WakaTime

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

APICrates.ioHEALTHY90WakaTimeHEALTHY86
Uptime · 30d
Uptime · 90d99.02%100%
Uptime · 30d100%100%
P50 · ms458969
P95 · ms13172993
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree public endpoints; personal data needs API key/OAuth
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Crates.io vs WakaTime: common questions

Which is more reliable, Crates.io or WakaTime?

On our scheduled checks, WakaTime leads on measured uptime — Crates.io at 99.02% versus WakaTime 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, Crates.io or WakaTime?

Crates.io has the lower median latency in our checks — Crates.io responds in 458 ms versus WakaTime at 969 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 WakaTime need an API key?

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

Can I call Crates.io and WakaTime from the browser?

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

Are Crates.io and WakaTime free for commercial use?

Crates.io has unclear commercial terms, and WakaTime 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.