Every improvement, integration, and fix — documented. We ship fast.
Sync verified contacts directly to HubSpot lists.
Earn 25% on referred customers.
Verify emails via RapidAPI.
BounceZero Ltd, Company No. 17153835.
Connect via CLI to sync and clean your marketing lists.
Automated daily feed of verified contacts for Google Ads audiences.
HMAC-SHA256 payload verification for webhook deliveries.
Download verification results in CSV and JSON formats.
40+ dedicated IPs across 3 data centres for maximum deliverability insight.
Dedicated clean IP routing for Elisa, Saunalahti, and Kolumbus domains.
Distributed captcha token solving with cross-worker coordination.
32GB swap + PostgreSQL shared_buffers tuned to 16GB for heavy workloads.
Claude Haiku generates plain-English explanations for each verification result.
Combines probabilistic Bayesian reasoning with XGBoost for accurate confidence scores.
Cross-references GitHub, LinkedIn, Gravatar, and Twitter to validate real humans.
Flags emails found in known breach databases as an additional signal.
Full-featured REST API for programmatic email verification.
Async job queue for verifying lists of any size with progress tracking.
Real-time notifications when bulk jobs complete, with automatic retries.
Track credit usage, API calls, and verification history from your dashboard.
Syntax, DNS, SMTP, intelligence, and scoring stages fully operational.
Automatic greylisting detection and retry for accurate SMTP verdicts.
Three-probe technique to reliably identify catch-all mail servers.
Full email authentication record analysis for every domain checked.
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