MailOdds is a developer-first email validation API that verifies email addresses through multi-layer checks: syntax validation, DNS/MX resolution, SMTP mailbox verification, disposable domain detection, and catch-all server identification.

Built for teams that care about data quality and privacy, MailOdds processes all data exclusively on EU servers with full GDPR compliance. The API responds in under 300ms with 99.2% accuracy.

Key features: - Single and bulk email validation via REST API - Real-time SMTP mailbox verification - Disposable email detection (100K+ domains) - Catch-all server identification - Role account detection (info@, admin@, etc.) - Typo/suggestion detection for common domains - Validation policies for custom accept/reject rules - Suppression list management - Webhook notifications for bulk job completion - SSE real-time progress streaming

Official SDKs for 11 languages: Python, TypeScript, PHP, Java, Go, C#, Ruby, Kotlin, Rust, Swift, and Dart. Enterprise SDKs (Python, TypeScript, PHP, Java, Go) include built-in retry with exponential backoff, typed error handling, and webhook signature verification.

Plans start at EUR 0/month (50 free validations). Paid plans from EUR 9/month for 5,000 validations up to enterprise with custom volume pricing.