Verify email list
Verify a list of email addresses so you stop sending to bounces.
Install verify-email-list and follow its SKILL.md, starting from https://api.getcargo.io/INSTALL.md$npx skills add getcargohq/gtm-skills/verify-email-listNo account needed to install. A new Cargo account starts with 100 free credits, no card.
Say this to your agent
Check the 200 addresses in `q3-newsletter-optins.csv` before tomorrow's send and tell me which to drop.
Illustrative output #
Fictional records, to show the shape of what comes back.
| status | reason | |
|---|---|---|
| priya.raman@northwind.example | valid | mailbox exists |
| sales@fabrikam.example | risky | catch-all domain |
| j.doe@globex.example | invalid | mailbox does not exist |
| m.klein@contoso.example | valid | mailbox exists |
171 valid, 18 risky (catch-all), 11 invalid — drop 29 before sending; 20 credits (200 × 0.1).
What it costs #
| Action | Credits |
|---|---|
waterfall.verifyEmail | 0.1 |
Never run this across a full list on the first attempt. Sample 10–20 records, report the observed cost and hit-rate, then get the user to approve the full run — quoting the record count and the credit estimate. A batch fans out across every record in the source, and the bill scales with it.
Worth knowing #
- The cheapest verification tier in the priority stack.