contact@startup.io

Checking in real time…

Deliverable

SMTP ✓

Domain ✓

AI Score 98

MX ✓

REAL-TIME VERIFICATION

Verify Emails That
Actually Reach the Inbox

Stop burning budget on bad addresses. Every email gets a full 5-stage check — instantly, with 99.5% accuracy guaranteed.

Format Check

Syntax & RFC validation

Domain & MX

DNS records & mail server

SMTP Deep Probe

Mailbox existence test

AI Scoring

Bayesian + ML 40+ signals

Deliverability

Final inbox confidence

5-STAGE PIPELINE

40+ Signals on
Every Single Email

Format, domain, SMTP deep probe, AI scoring and deliverability — all in one fast pass. Bayesian + ML logic catches what basic tools miss.

TODAY'S RESULTS

LIVE

99.5%

Accuracy

48.2K

Checked today

RESULT BREAKDOWN

Deliverable

74%

Risky

13%

Invalid

8%

Catch-all

5%

Updated just now View full report →

ANALYTICS DASHBOARD

Full Visibility on
Every Verification

Real-time stats, result breakdowns, usage graphs — all in one clean dashboard. Know your list quality at a glance, always.

emails_list.csv

125,000 rows · 8.4 MB

ceo@techcorp.io ✓ Deliverable

info@oldsite.net ✗ Invalid

contact@agency.com ✓ Deliverable

noreply@tempmail.xyz ⚠ Risky

Processing… 68%

BULK UPLOAD

Upload Millions of
Emails in One Go

Drop your CSV, sit back. BounceZero processes thousands of emails per second, tags every row, and gives you a clean downloadable result.

POST /v1/verify
curl -X POST \
"https://api.bouncezero.io
/v1/verify" \
-H "X-API-Key: bz_live_••••" \
-d '{
"email": "user@domain.com"
}'
RESPONSE  200 OK
{
"status": "deliverable",
"score": 98,
"safe_to_send": true
}

REST API

Integrate in Minutes,
Scale to Any Volume

Clean REST API, full docs, SDKs for every stack. One API key — single verify, bulk jobs, or real-time inline checking in your app.

GDPR Compliant

No personal data stored after verification

Zero Data Retention

Emails purged immediately post-check

TLS 1.3 Encrypted

All traffic encrypted in transit

SOC2 Ready

Enterprise-grade security practices

SECURITY & COMPLIANCE

GDPR Compliant &
Zero Data Retention

We verify — we don't store. Every email is checked and immediately purged. No personal data retained, ever. Built for enterprise trust.

BounceZero

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Verify Emails ThatActually Reach the Inbox

40+ Signals onEvery Single Email

Full Visibility onEvery Verification

Upload Millions ofEmails in One Go

Integrate in Minutes,Scale to Any Volume

GDPR Compliant &Zero Data Retention