private beta · joining the waitlist
Eight checks.
Ten milliseconds.
Sub-10ms email verification with deep deliverability signals. Real SMTP handshake, catch-all probe, provider mapping — all returned in a single JSON envelope, cached under ten milliseconds.
< 10mscached p95
8signalsper address
30kdomainsdisposable list
private beta · accepting signups
request access● ready
No spam. One email when the API opens up.