CSV email verification

Clean CSV email lists before import or outreach

Use Verifly to verify CSV exports from CRMs, lead tools, spreadsheets, and campaign platforms before they cause bounces or pollute your database.

Get 100 free credits Read API docs

Bulk CSV cleanup endpointAPI

curl -X POST "https://verifly.email/api/v1/verify/bulk" \
  -H "Authorization: Bearer vf_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{"emails":["row1@example.com","row2@example.com"]}'

Real-time SMTP mailbox checks

Single, batch, and async bulk verification

Disposable, role account, and catch-all detection

Pay-as-you-go credits with no subscription lock-in

Search fit

Built for CSV email verification searches

Use Verifly when you need a simple API, predictable pricing, and clean JSON results before emails hit your product, CRM, or campaign tool.

Clean exported CRM or lead-source CSV files

Verify one-off lists without a monthly contract

Run batch and async checks for larger files

Remove risky emails before importing contacts elsewhere