Skip to main content

​
Use Case

Run recurring email verification to keep long-lived lists clean. This is especially useful before reactivation campaigns or seasonal sends where address quality has decayed.

​
Where Verification Fits

Workflow at a glance:

1. Select

Choose dormant or risky segments to re-verify.

2. Verify

Run scheduled batch tasks on the segment.

3. Compare

Track shifts in valid, unknown, and catchall.

4. Suppress

Update suppression lists before reactivation.
  1. Select dormant or high-risk segments (inactive, old, or imported lists).
  2. Run a batch verification task on a schedule.
  3. Compare results to previous runs to spot decay.
  4. Suppress risky segments before reactivation sends.

​
Minimal API Example

curl -X POST \
  'https://api.boltroute.ai/api/v1/tasks' \
  -H 'Content-Type: application/json' \
  -d '{"emails":["user1@example.com","user2@example.com"]}'

{
  "id": "550e8400-e29b-41d4-a716-446655440000",
  "email_count": 2,
  "domain_count": 1
}

​
Decision Rules

Common hygiene rules:
  • Suppress invalid_syntax and invalid immediately.
  • Review catchall and unknown before reactivation.
  • Suppress is_disposable for reputation-sensitive campaigns.

​
Operational Notes

  • Space re-verification runs to avoid unnecessary credit usage.
  • Track list decay by monitoring changes in valid versus unknown counts.
  • Use Download batch verification results to keep an audit trail.
Keep a small baseline segment to measure list decay over time.

​
Success Metrics

  • Higher delivery rates on reactivation campaigns.
  • Fewer bounces over time.
  • Cleaner suppression lists and lower send costs.