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Chocomilk API vs MusicBrainz

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

APIChocomilk APIDYING46MusicBrainzHEALTHY82
Uptime · 30d
Uptime · 90d31.4%90.2%
Uptime · 30d6.7%86.7%
P50 · ms990660
P95 · ms15264770
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 limit60 req/window · 59 remaining · resets 60~1 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 31.4% versus MusicBrainz at 90.2% over 90 days. These are our own probe results, not provider claims; the uptime bars above show the day-by-day record for both.

Which is faster, Chocomilk API or MusicBrainz?

MusicBrainz has the lower median latency in our checks — Chocomilk API responds in 990 ms versus MusicBrainz at 660 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

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.