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Billplz vs VATComply

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

APIBillplzNEW—VATComplyNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnoyes
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — API key requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Billplz vs VATComply: common questions

Which is more reliable, Billplz or VATComply?

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

VATComply needs no key, while Billplz requires a free API key. If you want to start calling without signup, reach for VATComply first.

Can I call Billplz and VATComply from the browser?

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

Are Billplz and VATComply free for commercial use?

Billplz has unclear commercial terms, and VATComply 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.