Source 1 · cheapest
Source 2
Source 3
SampleStep 1
Start with the cheapest source. Every lookup goes there first.
The only email waterfall built for solo founders
For solo founders and two-to-three person B2B startups doing their own outbound. The cheapest source goes first, and a miss costs you nothing.
Cheapest source first. The next one only after a miss.
emailwaterfallSample data, made up
Lookups
Sample list. Pick a row to watch its waterfall.
Ines Albrecht
grainhouse.example
Source 1 · cheapest
Miss, try the next source
Source 2 · next cheapest
Miss, try the next source
Source 3 · last
Found an email
Verify
Passed
Found and verified. This one counts.
One waterfall, tuned for cost. Each lookup stops the moment a source finds the email, then the result is verified before it counts.
You pay for emails found.Misses never count.
You are charged only for emails found and verified. Everything else costs you nothing.
What happens to a lookup
And what it costs you
emailwaterfallYour bill
Email found and verified
The waterfall found it and the check passed
Charged
A source misses
The waterfall moves to the next source
Not charged
No email found
Every source tried, nothing to verify
Never counts
How a lookup runs
Three moves, in order. The cheaper the source, the earlier it is asked.
Source 1Miss
Source 2Trying now
SampleStep 2
Only when a source misses does the lookup fall through to the next one.
emailwaterfall
maya@lumen-forge.example found and verified
SampleStep 3
A found email is verified before it counts. That is the one you are charged for.
Pay for the email, not the miss
Solo founders send their own outbound. Their waterfall should ask the cheapest source first.