Guide

The two-step approach to email verification

Validate when addresses are collected. Re-verify bulk lists before major sends. Stronger data means fewer deliverability surprises.

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What you will put in practice

A coordinated hygiene loop

  • Gate new addresses at capture with the real-time API
  • Re-verify bulk lists before major campaigns or migrations
  • Use one result model — deliverable, risky, undeliverable, unknown — plus quality flags
  • Unknown outcomes never burn credits
1

Verify at capture

Wire POST /api/v1/verify on signup, checkout, and lead forms so typos and undeliverable addresses never enter the CRM.

API product
2

Re-verify before you send

Run list jobs on aged contacts before big campaigns or ESP moves. Export only segments you intend to mail.

List verification
Put both steps to work

API gates plus list jobs on one credit balance

Start free. Same results in the dashboard, list jobs, and API.

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