Every call returns clean, structured data — the same shape, every time.
Sub-100ms global lookups. Phones via libphonenumber-tested rules; emails via RFC + MX-ready logic.
Per-call risk score, disposable inbox detection, line-type heuristics — cut chargebacks fast.
One key. One endpoint per check. Zero SDK lock-in. Plug it into any stack in minutes.
No hidden tiers. Cancel any time. CHF, billed monthly.
“We swapped two vendors for LookupSwiss in an afternoon. Risk scores cut signup fraud by 38%.”
“Cleaning our list before each campaign lifted deliverability to 99.2%. Worth every franc.”
“Five minutes from signup to first validated phone. The Swiss attention to detail shows.”