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Chocomilk API vs MusicBrainz

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

APIChocomilk APINEW—MusicBrainzNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
Authnonenone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearyes
Data licenseUnverifiedCore data CC0; some supplementary data CC BY-NC-SA 3.0
Free tierFree — limits not publishedFree — no key required
Rate limitUnpublished~1 request/second per IP; descriptive User-Agent required
In directory since2026-07-052026-07-05
operationalpartialdownno data

Chocomilk API vs MusicBrainz: common questions

Which is more reliable, Chocomilk API or MusicBrainz?

On our scheduled checks, MusicBrainz leads on measured uptime — Chocomilk API at —% versus MusicBrainz 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 Chocomilk API and MusicBrainz need an API key?

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

Can I call Chocomilk API and MusicBrainz from the browser?

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

Are Chocomilk API and MusicBrainz free for commercial use?

Chocomilk API has unclear commercial terms, and MusicBrainz allows commercial use on its free tier. 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.