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SnapshotAPI vs The Guardian

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

APISnapshotAPIDEAD0The GuardianDEAD0
Uptime · 30d
Uptime · 90d0.0%50.6%
Uptime · 30d0.0%0.0%
P50 · ms—517
P95 · ms—2726
AuthapiKeyapiKey
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree developer key — registration required
Rate limitUnpublished5000 calls/day (developer tier)
In directory since2026-07-052026-07-05
operationalpartialdownno data

SnapshotAPI vs The Guardian: common questions

Which is more reliable, SnapshotAPI or The Guardian?

On our scheduled checks, The Guardian leads on measured uptime — SnapshotAPI at 0.0% versus The Guardian at 50.6% 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 SnapshotAPI and The Guardian need an API key?

Both ask you to authenticate — SnapshotAPI uses an API key and The Guardian uses an API key. Each key is free to obtain; the Auth and Card-required rows above spell out the signup terms.

Can I call SnapshotAPI and The Guardian from the browser?

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

Are SnapshotAPI and The Guardian free for commercial use?

SnapshotAPI has unclear commercial terms, and The Guardian 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.