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Songlink / Odesli vs ChartLyrics

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

APISonglink / OdesliUNMONITORED—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 — key may be requiredWas: unlimited
Rate limitUnpublished—
In directory since2026-07-052026-05-02
operationalpartialdownno data

Songlink / Odesli vs ChartLyrics: common questions

Which is more reliable, Songlink / Odesli or ChartLyrics?

Only ChartLyrics is on our probe schedule so far (—% uptime over 90 days). The other is catalogued but not yet live-checked, so we can't compare measured reliability head-to-head — check the uncovered API's own status page for now.

Do Songlink / Odesli and ChartLyrics need an API key?

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

Can I call Songlink / Odesli and ChartLyrics from the browser?

Neither sends browser-friendly CORS headers reliably, so call Songlink / Odesli 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 Songlink / Odesli and ChartLyrics free for commercial use?

Songlink / Odesli 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.