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Sunor vs ChartLyrics

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

APISunorNEW—ChartLyricsDEAD0
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnounknown
HTTPSyesno
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnlicensed lyrics data
Free tierFree tier — API key requiredWas: unlimited
Rate limitUnpublished—
In directory since2026-07-052026-05-02
operationalpartialdownno data

Sunor vs ChartLyrics: common questions

Which is more reliable, Sunor or ChartLyrics?

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

ChartLyrics needs no key, while Sunor requires a free API key. If you want to start calling without signup, reach for ChartLyrics first.

Can I call Sunor and ChartLyrics from the browser?

Neither sends browser-friendly CORS headers reliably, so call Sunor and ChartLyrics from a server or proxy rather than client-side. The CORS and HTTPS rows above show exactly what we detected for each.

Are Sunor and ChartLyrics free for commercial use?

Sunor 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.