The Fort Knox of Email APIs.
Deliver mission-critical emails with unparalleled security and reliability. Mail Vault Server provides a robust, encrypted, and government-audited API for enterprises where data integrity is non-negotiable.
Trusted by the World's Leading Financial Institutions
Security is Not a Feature. It's the Foundation.
Our entire infrastructure is built on principles of zero-trust architecture and defense-in-depth, ensuring your communications are shielded from all threats.
End-to-End Encryption
All data is encrypted in transit and at rest using AES-256 and TLS 1.3, ensuring complete confidentiality from your server to the recipient.
Immutable Audit Logs
Every API call and action is cryptographically signed and logged, providing a tamper-proof audit trail for compliance and security forensics.
Government-Grade Security
Built on infrastructure that meets rigorous government security standards, including FedRAMP and FIPS 140-2 compliance.
99.999% Uptime SLA
Geographically redundant data centers ensure your critical emails are delivered, even in the event of a regional outage. Guaranteed.
Seamless API Integration
Our RESTful API is designed for developers. Get integrated in minutes with our comprehensive documentation and SDKs.
Global Delivery Network
Optimized routing and reputation management with all major ISPs ensure your transactional emails land in the inbox, not the spam folder.
Experience it Yourself.
No lengthy sign-ups. Interact with our API right here in your browser. Click "Send Secure Email" to see a simulated, encrypted API call in action. It's that simple and that fast.
Read Full Documentation// POST https://api.mailvaultserver.gov/v1/send const payload = { to: "recipient@exchange.com", from: "security@your-domain.com", subject: "Critical Trade Alert", body: "This is a secure message.", encryption: "AES-256" };