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.

HTTP / HTTPS

AS2

Digital signatures, encryption and MDN acknowledgements for business-critical B2B document exchange.

Open detail page → Automotive

OFTP2

A preferred protocol in European automotive partner networks where auditability and operational reliability matter.

Open detail page → SSH

SFTP

Practical file-based transfer secured by SSH, often used when fast deployment and simple operations are priorities.

Open detail page → REST / JSON

API / HTTPS

Well suited to real-time, service-driven integrations where modern applications complement or extend EDI.

Open detail page → Intermediary network

VAN

Managed message routing and partner communication through a third-party service layer.

Open detail page →