EDI Transmission Protocols
Overview of the main transport protocols used in EDI communication, with dedicated pages for AS2, OFTP2, SFTP, API and VAN.
In EDI projects, the transport protocol defines how the business document reaches the partner. The links below provide dedicated pages for the most important delivery options.
AS2
Digital signatures, encryption and MDN acknowledgements for business-critical B2B document exchange.
AutomotiveOFTP2
A preferred protocol in European automotive partner networks where auditability and operational reliability matter.
SSHSFTP
Practical file-based transfer secured by SSH, often used when fast deployment and simple operations are priorities.
REST / JSONAPI / HTTPS
Well suited to real-time, service-driven integrations where modern applications complement or extend EDI.
Intermediary networkVAN
Managed message routing and partner communication through a third-party service layer.