Built for deliverability
Six core capabilities that keep your sender reputation pristine and your inbox placement high.
Real-Time API
Verify emails instantly at the point of capture. Our API responds in under 300ms with comprehensive validation results including syntax, DNS, SMTP, and deliverability scoring.
- Sub-300ms response time
- 10+ validation checks per email
- Real-time confidence scoring
- Webhook notifications
Bulk Processing
Upload CSV or TXT files up to 50MB per job. Our distributed processing engine validates thousands of emails per minute with detailed per-row results and a downloadable, ZeroBounce-style CSV.
- Up to 50MB per upload
- CSV and TXT support
- Downloadable result CSV + HTML report
- Live progress via SSE streaming
AI-Powered Scoring
Machine learning models trained on billions of email deliverability signals. Get a 0-100 risk score and predictive deliverability insights for every address.
- ML deliverability scoring
- Pattern recognition engine
- Predictive bounce detection
- Continuous model updates
Spam Trap Detection
Identify spam traps, honeypots, and recycled addresses before they damage your sender reputation. Our database covers known trap networks and ISP seeds.
- Known trap network database
- ISP seed detection
- Recycled address identification
- Reputation risk scoring
Domain Health
Comprehensive domain analysis including MX records, SPF, DKIM, DMARC validation, and domain reputation scoring to ensure maximum deliverability.
- MX record validation
- SPF/DKIM/DMARC checks
- Domain reputation scoring
- Catch-all detection
Breach Detection
Check if email addresses appear in known data breaches. Identify compromised accounts and protect your users from credential stuffing attacks.
- 10B+ breach records indexed
- Real-time breach monitoring
- Risk assessment scoring
- Compliance reporting
The 16-step pipeline
Every email runs through our comprehensive verification pipeline before returning a result.