Brevo automatically pauses campaigns on newly imported lists if the first batch hits invalid addresses. Scrub your CSV/Excel list with KaijuVerifier so every campaign sails through.
Brevo (formerly Sendinblue)
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Target Field: EMAIL
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Compliance Guard: Brevo First-Send Quota & Anti-Bounce Filter
Instant client-side pre-scan (0 credits) + live 5-email Smart SMTP sample check before you even sign up.
On average, 16% of unverified CRM/ESP lists consist of invalid, deactivated, disposable, or duplicate contacts that you pay to store every single month. Slide your list size below:
In Brevo, go to Contacts → Lists, select your list, and export all contacts.
Upload the file to KaijuVerifier to strip dead mailboxes, typos, and disposable addresses.
Import only valid contacts into Brevo or add invalid addresses to Contacts → Blocklisted so no transactional or marketing mail ever hits them.
Use our REST API alongside Brevo’s transactional SMTP/API to validate recipient addresses before calling POST /v3/smtp/email.
curl -X POST https://kaijuverifier.com/api/v1/verify \
-H "Authorization: Bearer kv_live_your_api_key" \
-H "Content-Type: application/json" \
-d '{"email": "{{EMAIL}}"}'Brevo tests new imports on a small sample first; if hard bounces exceed 1–2%, the campaign is suspended automatically. Cleaning your list in KaijuVerifier before importing eliminates those hard bounces.
With KaijuVerifier Starter ($19/mo) or a 25k Pay-As-You-Go Credit Pack, cleaning 10,000 emails costs just $19 — a fraction ofZeroBounce ($75+).