MCU Countdown vs ChartLyrics

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

Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms
P95 · ms
Authnonenone
CORSyesunknown
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverified (movie data from TMDB)Unlicensed lyrics data
Free tierFree — limits not publishedWas: unlimited
Rate limitUnpublished
In directory since2026-07-052026-05-02
operationalpartialdownno data

MCU Countdown vs ChartLyrics: common questions

Which is more reliable, MCU Countdown or ChartLyrics?

On our scheduled checks, ChartLyrics leads on measured uptime — MCU Countdown 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 MCU Countdown and ChartLyrics need an API key?

Neither needs a paid key — MCU Countdown 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 MCU Countdown and ChartLyrics from the browser?

Only MCU Countdown 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 MCU Countdown and ChartLyrics free for commercial use?

MCU Countdown 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.