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.
- T0Free signals$0
- T1Self-hosted SMTP$0
- T2LinkedIn routerLow
- T3Paid findersMedium
- 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.