iTunes Search vs MusicBrainz

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

Uptime · 30d
Uptime · 90d5.9%90.2%
Uptime · 30d5.0%86.7%
P50 · ms233660
P95 · ms2934770
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 limitRetry-After: 29s~1 request/second per IP; descriptive User-Agent required
In directory since2026-07-052026-07-05
operationalpartialdownno data

iTunes Search vs MusicBrainz: common questions

Which is more reliable, iTunes Search or MusicBrainz?

On our scheduled checks, MusicBrainz leads on measured uptime — iTunes Search at 5.9% 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, iTunes Search or MusicBrainz?

iTunes Search has the lower median latency in our checks — iTunes Search responds in 233 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 iTunes Search and MusicBrainz need an API key?

Neither needs a paid key — iTunes Search 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 iTunes Search and MusicBrainz from the browser?

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

Are iTunes Search and MusicBrainz free for commercial use?

iTunes Search 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.