Waterfall enrichment

Verified work emails, found by an AI agent.

A five-tier waterfall — free signals first, paid vendors only when nothing cheaper resolves. The cascade exits on the first verified match.

Sample response

One call. One result.

POST /v1/enrich200 OK · 142ms
{
  "email": "jane@acme.com",
  "verified": true,
  "tier": 0,
  "source": "permutation"
}
The cascade

Five tiers. Exit early.

  1. T0Free signals$0
  2. T1Self-hosted SMTP$0
  3. T2LinkedIn routerLow
  4. T3Paid findersMedium
  5. T4Ten-layer verificationLow
20+
Free signal modules

Permutations, IRS 990, CommonCrawl, MX fingerprint, NPPES, ORCID, certificate transparency, and more.

Domain memory

Cheaper as you use it.

Healthcare wedge

NPPES, IRS 990, and SEC EDGAR — wired into Tier 0.

NPPES provider directory IRS Form 990 SEC EDGAR
Pilot access

Try the cascade.

Bring a LinkedIn URL or a domain — we'll show you the tier that resolves it.

Start free