What does EDI mean? Electronic Data Interchange explained

EDI stands for Electronic Data Interchange and enables companies to exchange business documents digitally. These include invoices, delivery notes, or purchase orders, for example, which are automatically transmitted between companies using defined standards.
Today, EDI is an essential component of modern business processes, especially in retail, logistics, and manufacturing. Instead of processing documents manually or on paper, data is exchanged directly between the respective ERP systems. This makes processes faster, more efficient, and less error-prone.

EDI originated in the 1960s and was initially used for the secure and rapid exchange of critical data in military environments. Today, electronic data interchange is more important than ever — not for military purposes, but for smooth business and supply chain processes.
Using EDI, companies exchange information automatically and ensure that supermarket shelves remain stocked, production processes run smoothly, and required materials are available on time.
In short: without EDI, many modern supply chains would hardly function today.

EDI-Prozesse folgen einem klaren Ablauf: Geschäftsdokumente wie Bestellungen, Rechnungen oder Lieferscheine werden aus einem System, zum Beispiel einem ERP-System, übernommen, in ein standardisiertes Format umgewandelt und anschließend sicher an den Geschäftspartner übertragen. Das empfangende System verarbeitet die Daten danach automatisch weiter, ganz ohne manuelle Eingriffe.

In detail:

1. Data Preparation
In the first step, the relevant document is created in the ERP system and prepared for transfer. The necessary information is collected and structured so it can be processed electronically.

2. Data Conversion
The data is then converted into a standardized EDI format such as EDIFACT, VDA, or ANSI X12. This conversion is performed either by dedicated software or by an external EDI service provider.

3. Data Transmission
The converted data is transmitted to the business partner using defined communication protocols such as AS2, OFTP2, or SFTP. This ensures secure and reliable data exchange.

4. Data Reception
After receipt, the target system validates the incoming message and automatically processes the data within its ERP or warehouse management system. This allows business processes to continue without manual intervention.

For digital business processes to function smoothly, companies must be able to exchange data in a common structure. Various EDI standards and formats define how information is structured and processed.
Since industries and countries have different requirements, multiple EDI standards exist worldwide. In practice, many companies work with several standards simultaneously because business partners often use different systems.

– EDIFACT is one of the best-known standards and is widely used in Europe.
– In the United States, ANSI X12 is commonly used.
– TRADACOMS is primarily used in UK retail.
– The VDA standard was developed for the automotive industry.
– ODETTE is mainly used in the European automotive industry and is based on EDIFACT.
– ZUGFeRD and XRechnung play an important role in electronic invoicing. While XRechnung is mandatory for communication with public authorities in Germany, ZUGFeRD combines a readable PDF with embedded machine-readable XML data.
– Peppol is frequently used for the international exchange of electronic invoices and in the public sector. It is based on a standardized network and defined document formats (BIS).
– SAP IDoc is commonly used for integration between SAP systems and EDI solutions.
– SWIFT is used in international banking for the secure exchange of payment and financial messages.
– GS1 XML and EANCOM are based on the GS1 system and are used in retail and logistics for the unique identification and exchange of product data.
– ebXML is an international standard from UN/CEFACT and enables cross-company exchange of business documents via the internet.
– UBL (Universal Business Language) serves as an XML-based standard for electronic business documents.
– In addition, modern formats such as XML and JSON are becoming increasingly important because they are flexible and well suited for modern system integrations and API communication.



Besides the data format, the transmission method also plays an important role. Various communication protocols are used for electronic data interchange. The appropriate solution depends on the existing system landscape, security requirements, and the specifications of business partners.

– AS2 is particularly widespread because it is used globally and supports encrypted data transmission.
– AS4 is the successor to AS2 and is based on web services. It offers enhanced security features.
– SFTP and FTPS are primarily used for secure file transfer.
– In the automotive industry, OFTP2 is frequently used.
– Many companies additionally use web services, REST APIs, or SOAP APIs to directly connect modern applications and cloud systems.
– HTTPS is often used for web-based integrations and APIs.
– SMTP is occasionally used for the simple automated sending of EDI messages via email, especially in smaller integration scenarios.
– Older communication standards such as X.400 are still partly used in existing EDI environments.
– Technologies such as MQ (Message Queues) or traditional VANs (Value Added Networks) are also used from time to time.

EDI is used across many industries. Examples include:

– In manufacturing, EDI is primarily used for exchanging purchase orders (ORDERS), order confirmations (ORDRSP), delivery schedules (DELJIT), forecast schedules (DELFOR), dispatch advices (DESADV), and invoices (INVOIC) between manufacturers and suppliers.

– In logistics, EDI is used to digitally manage transport and shipping processes. This includes the automated exchange of track-and-trace information (IFTMCS), transport orders (IFTMIN), loading lists, bills of lading (B/L), and delivery confirmations between freight forwarders, warehouse systems, and transport systems.

– In the automotive industry, EDI is especially important for Just-in-Time and Just-in-Sequence supply chains. Companies exchange shipping notifications (e.g. VDA 4913 or DESADV), delivery schedules (e.g. VDA 4905), production information, or Advanced Shipping Notices (ASN). Communication between OEMs and Tier-1 suppliers often uses standards such as VDA or EDIFACT and protocols such as OFTP2.

– EDI also plays a central role in FMCG (Fast-Moving Consumer Goods) and e-commerce. Companies automatically exchange electronic invoices (INVOIC), dispatch advices (DESADV), as well as pricing and product data (PRICAT). Large retail chains often require EDI as a prerequisite for cooperation.

Through EDI, companies automate many business processes and significantly accelerate the exchange of information.
At the same time, EDI is an important component in the digitalization and automation of cross-company business processes.

Since electronic documents are based on national and international standards, senders and receivers can interpret and process data automatically and consistently. Especially in international business, EDI also helps bridge differences between systems and language barriers.

The most important advantages include:

– Fewer errors due to the elimination of manual data entry
– Faster business processes and shorter processing times
– Standardized communication with clear data structures
– Easier international collaboration between companies and business partners

During the planning phase, processes, interfaces, master data, and transaction data are analyzed and prepared. Test plans and reference data are also created.
This is followed by the testing phase. EDI messages are tested together with business partners, and necessary adjustments to processes or interfaces are made.
After successful testing, the system moves into productive operation and the EDI process starts in the live environment.

For an EDI solution to function efficiently, both technical and organizational requirements must be fulfilled.

The most important success factors include:

– Process definitions: Companies should define early which documents and business processes they want to digitalize and automate.
– Master data: Complete and well-maintained data such as item numbers, GLNs, or addresses are essential for error-free data exchange.
– IT integration: EDI messages must be reliably integrated into existing systems such as ERP, WMS, or merchandise management systems.
– Business partner onboarding: For smooth data exchange, partners should be technically prepared for EDI and capable of being integrated efficiently.

There are various EDI systems depending on requirements:

With an on-premise solution, the company operates the EDI converter within its own IT environment. This provides full control over infrastructure and processes. However, it also requires internal IT expertise, regular maintenance, updates, and resources for operations and partner integrations.

A Fully Managed EDI Service, on the other hand, is completely operated by an external service provider. The provider handles technical integration, data conversion, maintenance, monitoring, and onboarding of new business partners. Companies benefit from a scalable, automated, and future-proof solution and can focus more strongly on their core business.

Which model is best depends largely on internal IT resources, integration requirements, and the desired level of support.

– Reduced technical complexity: Companies no longer need to manage different systems, formats, or partner requirements themselves.
– Higher reliability: Continuous monitoring and rapid response times ensure stable and reliable EDI operations.
– Predictable costs: Large investments in infrastructure, maintenance, or specialized personnel are avoided.
– Up-to-date standards and compliance: Changes in formats, legal regulations, or industry standards are continuously maintained.
– Faster processes: New partners can be onboarded efficiently and projects implemented more quickly.
– Focus on core business: Companies gain more time for their own processes, customers, and strategic tasks while the external provider manages technical EDI operations.

EDI is particularly worthwhile for companies that regularly exchange business documents such as purchase orders, delivery notes, or invoices, or for companies that want to connect directly and seamlessly with their business partners’ systems.

It is also suitable for companies that want to grow or professionalize their internal processes, as EDI reduces manual activities and creates a stable foundation for scalable, automated processes.

Important criteria when selecting an EDI provider include:

– Clear project and implementation processes: How is implementation handled? How quickly can new partners be onboarded?
– Service levels and availability: Does the provider offer 24/7 monitoring, defined SLAs, and high system availability?
– Responsibility and support: Are there dedicated contacts, proactive monitoring, and rapid response times in case of disruptions?
– Support for common standards: Are formats such as EDIFACT, VDA, ANSI X12, XML, ZUGFeRD, or APIs supported?
– Transparent pricing structure: Are setup costs, recurring fees, and potential additional costs clearly understandable?
– Future-proofing: Are modern integrations, scalability options, and current security standards such as ISO 27001 or NIS2 supported?
– Industry expertise: Does the provider understand the requirements and processes of your industry and do they have relevant project experience?

EDI Service & E-Invoicing Partners handles the entire process — from communication and onboarding of new business partners to technical setup and integration, as well as ongoing monitoring and operational support. Avenum & Avedium not only understand the specifics of your system, but also the standards, formats, and web services of your business partners, enabling seamless full integration.