US Patent 10200407 Network gateway messaging systems and methods

Embodiments of the present disclosure relate to network gateway based messaging systems and methods. Some methods include transparent message processing that includes receiving a message from a first party that includes a payload and a token. The token is associated with sensitive information. Next, the method includes replacing the token with the sensitive information within the message and forwarding the message with the sensitive information to a second party. The payload is unaffected by the token exchange process.