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The Office API vs ChartLyrics

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

APIThe Office APINEW—ChartLyricsDEAD0
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSyesunknown
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnlicensed lyrics data
Free tierFree — limits not publishedWas: unlimited
Rate limitUnpublished—
In directory since2026-07-052026-05-02
operationalpartialdownno data

The Office API vs ChartLyrics: common questions

Which is more reliable, The Office API or ChartLyrics?

On our scheduled checks, ChartLyrics leads on measured uptime — The Office API at —% versus ChartLyrics 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 The Office API and ChartLyrics need an API key?

Neither needs a paid key — The Office API is callable with no signup, and ChartLyrics is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call The Office API and ChartLyrics from the browser?

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

Are The Office API and ChartLyrics free for commercial use?

The Office API has unclear commercial terms, and ChartLyrics 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.