Find the missing work email, one source after another.
Upload names with a company or domain. Waterfall Enrich checks one source after another until it finds an email, and you pay only for the emails found.
- Several sources, one after another
- Pay only for emails found
- One enriched CSV
Features
Everything you need to fill missing emails without stitching sources together.
Upload a CSV of names with a company or domain. Prospectal runs the waterfall in the cloud and returns one enriched file.
- Cloud-based
Several sources, one after another
If the first source has no answer, the next one is tried, until an email is found or the sources run out.
Pay only for emails found
3 credits per email found. Rows marked Not found, invalid and error results use no credits.
Not found, never guessed
Rows with no result are marked Not found rather than filled with a guess.
Runs in the cloud
Submit the project and carry on with your work. Prospectal handles the job in the background, from Submitted to In Progress to Completed.
Ready for Email Verify
Run the enriched file through Email Verify to mark each email Valid or Invalid before outreach.
How the waterfall works.
Coverage differs by source, region and segment, so one source leaves gaps.
| Contact | Source 1 | Source 2 | Source 3 | Result |
|---|---|---|---|---|
| Maya Chen | ✓ hit | not needed | not needed | maya.chen@brightline.example |
| Daniel Okafor | — miss | ✓ hit | not needed | d.okafor@northwind.example |
| Priya Raman | — miss | — miss | — miss | Not found |
| Tom Weller | — miss | — miss | ✓ hit | tom@fernhill.example |
| Sofia Marin | ✓ hit | not needed | not needed | s.marin@larkspur.example |
Source 1 is checked first
If it has the email, the row is done.
A miss moves to the next source
Only rows still missing a result go further.
It stops at a result or the last source
Rows with no result are marked Not found, not guessed.
CSV export
From names to a ready-to-use CSV.
Preview the kind of rows you receive: your columns, with the email found or Not found.
| First Name | Last Name | Company or Domain | |
|---|---|---|---|
| Maya | Chen | brightline.example | maya.chen@brightline.example |
| Daniel | Okafor | Northwind Analytics | d.okafor@northwind.example |
| Priya | Raman | kestrel.example | Not found |
| Tom | Weller | Fernhill Cloud | tom@fernhill.example |
| Sofia | Marin | larkspur.example | s.marin@larkspur.example |
| Owen | Hart | Copperleaf Studio | owen@copperleaf.example |
Illustrative sample · fictional people and companies · example columns
How to use Waterfall Enrich.
Upload your list
Upload a CSV with a first name, a last name and a company or domain for each person.
Submit the project
Prospectal checks one source after another for every row, in the cloud, and prepares one enriched CSV.
Download the CSV
When the project is completed, download the final CSV from Prospectal.
API
Run Waterfall Enrich from your own code.
Upload the CSV in one request, poll the project until it’s completed, then download the same enriched CSV you’d get in the app.
Headers
- Authorization
- Bearer psk_live_xxxxxxxx…
- Content-Type
- multipart/form-data
Request body
tool = "waterfall-enrich"project_name = "Missing emails"file = @contacts.csvResponse
201 Created{ "job": { "id": "4f1c…", "tool": "waterfall-enrich", "status": "submitted", "requested_count": 1000, "credits": { "reserved": 3000, … }, "input": { "filename": "contacts.csv" }, … }}Pricing
3 credits per email found
Pay as you go, no subscription. One credit balance for every Prospectal tool.
Freelancer
$29
3,333 emails found
- Most Popular
Agency
$99
16,666 emails found
Scale
$179
33,333 emails found
Use cases
Who uses waterfall enrichment?
Wherever missing emails block the work.
Outbound teams
Turn a Sales Navigator lead file into work emails you can check with Email Verify.
Account-based teams
Go from target accounts to websites with Company Website Finder, then to emails for the people there.
RevOps & CRM teams
Fill the gaps in CRM contacts that are missing an email.
Lead generation agencies
Complete each client’s list and deliver one enriched file per client.
FAQ
Questions before your first run?
Waterfall enrichment looks for a missing data point, usually a work email, in several sources one after another. If the first source has no answer, the next one is tried, and so on until a result is found or the sources run out.
A CSV with a first name, a last name and a company or domain for each person.
It’s pay as you go, with no subscription: 3 credits per email found. Freelancer is $29 for 10,000 credits (3,333 emails found), Agency $99 for 50,000 credits (16,666) and Scale $179 for 100,000 credits (33,333).
Only emails found use credits: 3 credits each. Not found, invalid and error results are free. Credits come from one Prospectal Credits balance, bought in pay-as-you-go packages from $29 for 10,000 credits.
Run the enriched file through Email Verify to mark each email Valid or Invalid before you send.
Waterfall Enrich starts from names with a company or domain, and checks several sources for a missing email. LinkedIn URL Enrich starts from LinkedIn URLs and returns the full lead record.
Fill the gaps without stitching sources together yourself.
Upload your list, then download one enriched CSV when it’s completed.
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