shipapis
StarSubmit an APISubmit API

Numverify vs Serialif Color

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

APINumverifyNEW—Serialif ColorNEW—
Uptime · 30d
Uptime · 90d—%—%
Uptime · 30d—%—%
P50 · ms——
P95 · ms——
AuthapiKeynone
CORSnono
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree tier — key may be requiredFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Numverify vs Serialif Color: common questions

Which is more reliable, Numverify or Serialif Color?

On our scheduled checks, Serialif Color leads on measured uptime — Numverify at —% versus Serialif Color 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 Numverify and Serialif Color need an API key?

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

Can I call Numverify and Serialif Color from the browser?

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

Are Numverify and Serialif Color free for commercial use?

Numverify has unclear commercial terms, and Serialif Color 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.