JSON Message Transport Protocol (JMTP)

What is JMTP?

JMTP is a lightweight, secure protocol designed to transport structured messages using JSON and HTTPS. It separates notification and retrieval, enabling greater control and reliability for applications such as B2B data exchange and next-generation email.

Key Features

• Push/Pull hybrid message delivery
• JSON-based, human-readable payloads
• Authenticated and encrypted by default
• Extensible agent-based processing
• Can replace SMTP for modern email needs

Learn More

• JMTP Specification (draft)
• IETF Draft
• GitHub Repository

Contribute

Want to help shape JMTP? We welcome feedback, implementation input, and ecosystem integration.
Contact: info@jsonmtp.org