{"id":49376,"date":"2026-04-15T19:04:18","date_gmt":"2026-04-15T19:04:18","guid":{"rendered":"https:\/\/www.truecommerce.com\/?p=49376"},"modified":"2026-04-15T19:10:57","modified_gmt":"2026-04-15T19:10:57","slug":"edi-made-simple-connections-formats-standards-and-networks","status":"publish","type":"post","link":"https:\/\/www.truecommerce.com\/en-gb\/blog\/edi-made-simple-connections-formats-standards-and-networks\/","title":{"rendered":"EDI Made Simple: Connections, Formats, Standards, and Networks"},"content":{"rendered":"<h2>Understanding the Components of EDI<\/h2>\n<p>Electronic Data Interchange enables companies to exchange structured business documents directly between systems. While the concept of EDI is widely known, the technical components behind it are often unclear. We\u2019re here to sort that for you.<\/p>\n<p>EDI is composed of several interconnected elements that work together to exchange data between trading partners reliably. These components include the methods used to transmit messages, the technical structure of the data, the standards that define message content, and the networks that connect businesses.<\/p>\n<p>This guide explains the key components involved in EDI implementations, including:<\/p>\n<ul class=\"check-circle\">\n<li>How EDI messages are transmitted between systems<\/li>\n<li>How business data is structured and formatted<\/li>\n<li>How standards define message structure and meaning<\/li>\n<li>How trading partner networks support large-scale integrations<\/li>\n<\/ul>\n<p>Together, these elements enable businesses to automate the exchange of documents such as purchase orders, shipping notices, and invoices across supply chains.<\/p>\n<h2>How an EDI Transaction Moves Between Companies<\/h2>\n<p>An EDI transaction typically passes through several stages before it reaches the receiving business.<\/p>\n<p>For example, when a retailer sends a purchase order to a supplier, the process might follow these steps:<\/p>\n<ol class=\"number-circle\">\n<li><strong>The business system generates the document<br \/>\n<\/strong>The retailer\u2019s ERP or purchasing system generates a purchase order that includes product details, quantities, and delivery requirements.<\/li>\n<li><strong>Data is mapped to an EDI format<br \/>\n<\/strong>Internal system data is translated into a structured format that external systems can interpret.<\/li>\n<li><strong>The message follows a defined EDI standard<br \/>\n<\/strong>The message format aligns with an EDI standard, such as EDIFACT or ANSI X12, so that both companies can interpret the document consistently.<\/li>\n<li><strong>The message is transmitted through an EDI connection<\/strong><br \/>\nTransmission protocols such as AS2 or secure networks transfer the message between partners.<\/li>\n<li><strong>The receiving system processes the document automatically<\/strong><br \/>\nThe supplier\u2019s EDI system converts the message into its internal format and delivers it to the appropriate application.<\/li>\n<\/ol>\n<p>The automated exchange eliminates manual data entry and ensures that business documents move quickly and accurately between systems.<\/p>\n<h2>What technical aspects are included in EDI?<\/h2>\n<p>EDI is not a single system or a single standard. Rather, EDI consists of several layers that interact:<\/p>\n<ul class=\"plus-circle\">\n<li><strong>EDI connections:<\/strong> How data is transferred<\/li>\n<li><strong>EDI formats:<\/strong> How data is technically structured<\/li>\n<li><strong>EDI standards:<\/strong> What rules and meanings do the data have?<\/li>\n<li><strong>Networks &amp; Ecosystems:<\/strong> How partners are connected and organised<\/li>\n<\/ul>\n<p>Only when these layers work together does EDI function reliably, scalably, and automatically.<\/p>\n<h3>EDI connections: How EDI messages are transmitted<\/h3>\n<p>EDI connections describe the transport path of data between business partners. They regulate security, encryption, delivery and acknowledgments of receipt but not the content of the data.<\/p>\n<h4>AS2<\/h4>\n<p>AS2 (Applicability Statement 2) is one of the most widely used EDI transmission protocols.<\/p>\n<ul class=\"check-circle\">\n<li>Direct point-to-point connection via the Internet<\/li>\n<li>Encrypted transmission<\/li>\n<li>Acknowledgement (MDN)<\/li>\n<li>Commonly used in retail and the consumer goods industry<\/li>\n<\/ul>\n<p>AS2 offers a high level of control, but requires technical expertise on both sides.<\/p>\n<h4>AS4<\/h4>\n<p>AS4 is the more modern successor to AS2.<\/p>\n<ul class=\"check-circle\">\n<li>Service- oriented<\/li>\n<li>More scalable<\/li>\n<li>Common in regulated environments (e.g., public sector)<\/li>\n<\/ul>\n<p>AS4 is used in various sectors, including the <a href=\"https:\/\/www.truecommerce.com\/en-gb\/industries\/energy\/\">energy industry<\/a>.<\/p>\n<h4>SFTP (Secure File Transfer Protocol)<\/h4>\n<p>SFTP is a file-based approach.<\/p>\n<ul class=\"check-circle\">\n<li>Simple implementation<\/li>\n<li>Widespread<\/li>\n<li>No native delivery confirmation<\/li>\n<\/ul>\n<p>SFTP is suitable for simple scenarios, but is less close to the process.<\/p>\n<h4>HTTP<\/h4>\n<p>HTTP-based transfers are primarily used for simple integrations.<\/p>\n<ul class=\"check-circle\">\n<li>Flexible<\/li>\n<li>Often part of individual solutions<\/li>\n<li>Less standardised than AS protocols<\/li>\n<\/ul>\n<h4>Web services (REST \/ SOAP)<\/h4>\n<p>Web services enable system-level, event-based communication.<\/p>\n<ul class=\"check-circle\">\n<li><strong>REST:<\/strong> lightweight, modern<\/li>\n<li><strong>SOAP:<\/strong> highly standardised<\/li>\n<li>Ideal for real-time scenarios<\/li>\n<\/ul>\n<h4>VAN (Value Added Network)<\/h4>\n<p>A VAN is a mediating network between business partners.<\/p>\n<ul class=\"check-circle\">\n<li>Headquarters Connection<\/li>\n<li>Monitoring &amp; Support<\/li>\n<li>Less direct effort for companies<\/li>\n<\/ul>\n<h4>PEPPOL (as a network)<\/h4>\n<p><a href=\"https:\/\/www.truecommerce.com\/en-gb\/blog\/what-is-peppol\/\">PEPPOL<\/a> is not a format or a protocol, but a standardised network .<\/p>\n<ul class=\"check-circle\">\n<li>Clear governance<\/li>\n<li>Secure participant identification<\/li>\n<li>Particularly relevant for e- invoicing<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.truecommerce.com\/en-gb\/solutions\/peppol-network\/\">TrueCommerce has a PEPPOL access point<\/a> and can provide expert assistance with any questions you may have about PEPPOL.<\/p>\n<h3>EDI Networks and Trading Partner Connectivity<\/h3>\n<p>As businesses continue to grow and establish connections with various partners, it can feel overwhelming to manage direct links to each one. That\u2019s where EDI networks come in.<\/p>\n<p>Think of these networks as helpful communication hubs that efficiently route messages between participants while providing essential monitoring, security, and operational support.<\/p>\n<h4>Value Added Networks (VAN)<\/h4>\n<p>For those navigating the world of trading partnerships, VAN providers can be a real asset. They manage the routing of messages between partners, allowing companies to connect to the network just once and exchange documents with numerous partners seamlessly. The typical services offered are designed to alleviate stress and include:<\/p>\n<ul class=\"check-circle\">\n<li>message routing and delivery<\/li>\n<li>transaction monitoring<\/li>\n<li>partner onboarding<\/li>\n<li>error handling and support<\/li>\n<\/ul>\n<h4>Open Networks like PEPPOL<\/h4>\n<p>Some networks operate under standardised governance models that define how participants exchange documents. The PEPPOL network, for instance, is widely recognised for its role in electronic invoicing and public sector procurement. It lays out clear, common rules for participant identification, document specifications, and message delivery.<\/p>\n<p>By utilising these standardised networks, businesses can integrate with expansive partner ecosystems while avoiding the daunting task of building individual connections to each trading partner.<\/p>\n<h3>Data Exchange Formats: How data is technically structured<\/h3>\n<p>Formats define the structure of the data, not its meaning.<\/p>\n<h4>XML<\/h4>\n<ul class=\"check-circle\">\n<li>Hierarchical<\/li>\n<li>Humanly readable<\/li>\n<li>Widespread<\/li>\n<\/ul>\n<h4>JSON<\/h4>\n<ul class=\"check-circle\">\n<li>Lightweight<\/li>\n<li>API-near<\/li>\n<li>Increasingly relevant<\/li>\n<\/ul>\n<h4>CSV<\/h4>\n<ul class=\"check-circle\">\n<li>Simply<\/li>\n<li>Not very standardised<\/li>\n<li>Limited explanatory power<\/li>\n<\/ul>\n<h4>IDoc<\/h4>\n<ul class=\"check-circle\">\n<li>SAP-specific format<\/li>\n<li>Widely used in the ERP environment<\/li>\n<li>Other structured file formats<\/li>\n<\/ul>\n<p>In principle, any structured format can be EDI-compatible, provided that rules, mapping and validation exist.<\/p>\n<h3>EDI Standards: Defining Message Structure and Meaning<\/h3>\n<p><a href=\"https:\/\/www.truecommerce.com\/en-gb\/blog\/edi-standards-explained\/\">EDI standards<\/a> define how business documents are structured and interpreted among trading partners. These standards ensure that data fields, message segments, and document types adhere to consistent rules.<\/p>\n<h4>EDIFACT<\/h4>\n<p>EDIFACT is an international standard developed by the United Nations, commonly used in Europe and global trade.<\/p>\n<h4>ANSI X12<\/h4>\n<p>ANSI X12 is a standard primarily utilised in North America across various industries, including retail, logistics, and healthcare.<\/p>\n<h4>TRADACOMS<\/h4>\n<p>A standard primarily used in UK across various industries, including retail, logistics, and healthcare.<\/p>\n<h3>PEPPOL, BIS 3.0, UBL &amp; PINT correctly classified<\/h3>\n<ul class=\"check-circle\">\n<li><strong>PEPPOL:<\/strong> Network &amp; Governance<\/li>\n<li><strong>BIS 3.0:<\/strong> Business Specification<\/li>\n<li><strong>UBL:<\/strong> XML data model<\/li>\n<li><strong>PEPPOL PINT:<\/strong> International Invoicing Standard<\/li>\n<\/ul>\n<p>A clean separation is crucial for correct implementations. As <a href=\"https:\/\/www.truecommerce.com\/blog\/future-of-peppol\/\">Peppol adoption expands across Europe<\/a> and beyond, it is clear that Peppol is set to become the cornerstone of a truly global, interoperable digital trade network.<\/p>\n<h3>Other e-invoice formats<\/h3>\n<p>Thera are numerous national and industry-specific e-invoicing formats, which differ in structure, mandatory fields and legal requirements.<\/p>\n<p>Differing legal requirements, ongoing changes, and new versions lead to a high need for adaptation. Companies therefore require flexible EDI architectures that can support multiple formats simultaneously.<\/p>\n<p>A particularly relevant example in German-speaking countries is ZUGFeRD.<\/p>\n<h4>ZUGFeRD Invoice and ZUGFeRD Format<\/h4>\n<p>ZUGFeRD (Central User Guide of the Forum for Electronic Invoicing Germany) is a widely used e-invoice format in Germany. The terms ZUGFeRD Invoice and ZUGFeRD Format are often used synonymously, but describe different aspects.<\/p>\n<p>The ZUGFeRD format defines the technical and semantic structure of the invoice. It is a hybrid format that combines a PDF\/A-3 file with embedded, structured XML data.<\/p>\n<p>ZUGFeRD Invoice refers to the specific electronic invoice that is created, sent and received in this format.<\/p>\n<p>ZUGFeRD thus combines a human-readable PDF invoice with machine-readable data and is particularly suitable for companies that want to gradually transition from paper-based processes to fully automated e-invoice processing.<\/p>\n<p>As with other e-invoicing formats, clean integration into existing EDI systems is crucial here as well.<\/p>\n<h2>Why EDI only works as a complete system<\/h2>\n<p>EDI only unfolds its full potential if:<\/p>\n<ul class=\"check-circle\">\n<li>Connections stable<\/li>\n<li>Correct formats<\/li>\n<li>Standards implemented cleanly<\/li>\n<li>Networks are used correctly<\/li>\n<\/ul>\n<p>Isolated solutions quickly reach their limits. Platform-based approaches enable scalability, transparency, and future-proofing.<\/p>\n<div class=\"col-span-12\"><div class=\"flex flex-col gap-4\"><h2 class=\"text-dark-100 font-normal text-5xl\">Frequently Asked Questions about EDI<\/h2><\/div><div\n            class=\"col-span-12 py-6 lg:py-10\">\n            <div class=\"w-full overflow-hidden rounded-radius border-t border-outline border-dark-20\"><div x-data=\"{ isExpanded: true }\"\n                                class=\"flex flex-col items-start self-stretch py-5 pl-[14px] gap-6 border-dark-20 border-b \">\n                                <button id=\"controlsAccordionItem1\" type=\"button\"\n                                    class=\"flex w-full items-center justify-between gap-4 text-left font-medium\"\n                                    aria-controls=\" accordionItem1\" x-on:click=\"isExpanded = ! isExpanded\"\n                                    x-bind:class=\"isExpanded ? 'font-medium'  : 'font-medium'\"\n                                    x-bind:aria-expanded=\"isExpanded ? 'true' : 'false'\" aria-expanded=\"true\">\n                                    <h5 class=\"text-dark-100 mb-0\">What is Electronic Data Interchange (EDI)?<\/h5>\n                                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"9\" viewBox=\"0 0 14 9\" fill=\"none\"\n                                        class=\"shrink-0 transition text-dark-80\" aria-hidden=\"true\"\n                                        x-bind:class=\"isExpanded  ?  ''  :  'rotate-180'\">\n                                        <path d=\"M1.4 8.4L0 7L7 0L14 7L12.6 8.4L7 2.825L1.4 8.4Z\" fill=\"currentColor\"><\/path>\n                                    <\/svg>\n                                <\/button>\n                                <div x-show=\"isExpanded\" id=\"accordionItem1\" role=\"region\"\n                                    aria-labelledby=\"controlsAccordionItem1\" x-collapse=\"\">\n                                    <div class=\"text-body-sm text-dark-80 pr-[14px] flex flex-col gap-4\">\n                                        <div class=\"text-body-sm text-base flex flex-col gap-4 text-base\"><p>Electronic Data Interchange is the structured digital exchange of business documents between trading partners. It allows systems to \u2018talk\u2019 to each other directly, improving transaction speed, accuracy, and compliance across industries.<\/p>\n<\/div>\n                                    <\/div>\n                                <\/div>\n                            <\/div><div x-data=\"{ isExpanded: false }\"\n                                class=\"flex flex-col items-start self-stretch py-5 pl-[14px] gap-6 border-dark-20 border-b \">\n                                <button id=\"controlsAccordionItem1\" type=\"button\"\n                                    class=\"flex w-full items-center justify-between gap-4 text-left font-medium\"\n                                    aria-controls=\" accordionItem2\" x-on:click=\"isExpanded = ! isExpanded\"\n                                    x-bind:class=\"isExpanded ? 'font-medium'  : 'font-medium'\"\n                                    x-bind:aria-expanded=\"isExpanded ? 'true' : 'false'\" aria-expanded=\"true\">\n                                    <h5 class=\"text-dark-100 mb-0\">What is the difference between EDI format and EDI standard?<\/h5>\n                                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"9\" viewBox=\"0 0 14 9\" fill=\"none\"\n                                        class=\"shrink-0 transition text-dark-80\" aria-hidden=\"true\"\n                                        x-bind:class=\"isExpanded  ?  ''  :  'rotate-180'\">\n                                        <path d=\"M1.4 8.4L0 7L7 0L14 7L12.6 8.4L7 2.825L1.4 8.4Z\" fill=\"currentColor\"><\/path>\n                                    <\/svg>\n                                <\/button>\n                                <div x-show=\"isExpanded\" id=\"accordionItem2\" role=\"region\"\n                                    aria-labelledby=\"controlsAccordionItem2\" x-collapse=\"\">\n                                    <div class=\"text-body-sm text-dark-80 pr-[14px] flex flex-col gap-4\">\n                                        <div class=\"text-body-sm text-base flex flex-col gap-4 text-base\"><p>An <strong>EDI format<\/strong> describes the technical structure of the data (e.g., XML or CSV). An <strong>EDI standard<\/strong> additionally defines the meaning and business logic of the data (e.g., EDIFACT or ANSI X12).<\/p>\n<\/div>\n                                    <\/div>\n                                <\/div>\n                            <\/div><div x-data=\"{ isExpanded: false }\"\n                                class=\"flex flex-col items-start self-stretch py-5 pl-[14px] gap-6 border-dark-20 border-b \">\n                                <button id=\"controlsAccordionItem1\" type=\"button\"\n                                    class=\"flex w-full items-center justify-between gap-4 text-left font-medium\"\n                                    aria-controls=\" accordionItem3\" x-on:click=\"isExpanded = ! isExpanded\"\n                                    x-bind:class=\"isExpanded ? 'font-medium'  : 'font-medium'\"\n                                    x-bind:aria-expanded=\"isExpanded ? 'true' : 'false'\" aria-expanded=\"true\">\n                                    <h5 class=\"text-dark-100 mb-0\">Which EDI connection is the best?<\/h5>\n                                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"9\" viewBox=\"0 0 14 9\" fill=\"none\"\n                                        class=\"shrink-0 transition text-dark-80\" aria-hidden=\"true\"\n                                        x-bind:class=\"isExpanded  ?  ''  :  'rotate-180'\">\n                                        <path d=\"M1.4 8.4L0 7L7 0L14 7L12.6 8.4L7 2.825L1.4 8.4Z\" fill=\"currentColor\"><\/path>\n                                    <\/svg>\n                                <\/button>\n                                <div x-show=\"isExpanded\" id=\"accordionItem3\" role=\"region\"\n                                    aria-labelledby=\"controlsAccordionItem3\" x-collapse=\"\">\n                                    <div class=\"text-body-sm text-dark-80 pr-[14px] flex flex-col gap-4\">\n                                        <div class=\"text-body-sm text-base flex flex-col gap-4 text-base\"><p>It depends on the use case. AS2 and AS4 are suitable for direct, secure connections, while Value-Added Networks (VANs) or PEPPOL can reduce operational overhead.<\/p>\n<\/div>\n                                    <\/div>\n                                <\/div>\n                            <\/div><div x-data=\"{ isExpanded: false }\"\n                                class=\"flex flex-col items-start self-stretch py-5 pl-[14px] gap-6 border-dark-20 border-b \">\n                                <button id=\"controlsAccordionItem1\" type=\"button\"\n                                    class=\"flex w-full items-center justify-between gap-4 text-left font-medium\"\n                                    aria-controls=\" accordionItem4\" x-on:click=\"isExpanded = ! isExpanded\"\n                                    x-bind:class=\"isExpanded ? 'font-medium'  : 'font-medium'\"\n                                    x-bind:aria-expanded=\"isExpanded ? 'true' : 'false'\" aria-expanded=\"true\">\n                                    <h5 class=\"text-dark-100 mb-0\">Do companies need special software for EDI?<\/h5>\n                                    <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"14\" height=\"9\" viewBox=\"0 0 14 9\" fill=\"none\"\n                                        class=\"shrink-0 transition text-dark-80\" aria-hidden=\"true\"\n                                        x-bind:class=\"isExpanded  ?  ''  :  'rotate-180'\">\n                                        <path d=\"M1.4 8.4L0 7L7 0L14 7L12.6 8.4L7 2.825L1.4 8.4Z\" fill=\"currentColor\"><\/path>\n                                    <\/svg>\n                                <\/button>\n                                <div x-show=\"isExpanded\" id=\"accordionItem4\" role=\"region\"\n                                    aria-labelledby=\"controlsAccordionItem4\" x-collapse=\"\">\n                                    <div class=\"text-body-sm text-dark-80 pr-[14px] flex flex-col gap-4\">\n                                        <div class=\"text-body-sm text-base flex flex-col gap-4 text-base\"><p>Yes. Productive EDI operations require solutions that cover connections, formats, standards, mapping, monitoring, and compliance.<\/p>\n<\/div>\n                                    <\/div>\n                                <\/div>\n                            <\/div>    <\/div>\n                <\/div>\n            <\/div>\n<h2>Mini-Glossary: Key EDI Terms<\/h2>\n<p><strong>AS2 \/ AS4:<\/strong> Transmission protocols for the secure, direct exchange of EDI messages between business partners.<\/p>\n<p><strong>Peppol BIS (Business Interoperability Specifications): <\/strong>Technical specifications within the PEPPOL network, e.g. for invoices or orders.<\/p>\n<p><strong>EDI (Electronic Data Interchange): <\/strong>Standardised, automated exchange of structured business data between companies.<\/p>\n<p><strong>EDI format: <\/strong>Technical structure of a file, e.g. XML, JSON, CSV or IDoc.<\/p>\n<p><strong>EDI standard:<\/strong> A rule set that defines the structure, meaning and business logic of EDI messages, e.g. EDIFACT or ANSI X12.<\/p>\n<p><strong>IDoc: <\/strong>An SAP-specific data format for electronic data exchange.<\/p>\n<p><strong>Mapping: <\/strong>Assignment of internal data fields to EDI formats and standards.<\/p>\n<p><strong>MDN (Message Disposition Notification): <\/strong>Acknowledgment of receipt for AS2 transmissions.<\/p>\n<p><strong>PEPPOL: <\/strong>European network for standardised electronic document exchange, especially in the e-invoicing environment.<\/p>\n<p><strong>Peppol PINT (PEPPOL International Invoice): <\/strong>International e-invoice specification based on UBL.<\/p>\n<p><strong>UBL (Universal Business Language): <\/strong>XML-based data model for electronic business documents.<\/p>\n<p><strong>VAN (Value Added Network): <\/strong>An intermediary network for EDI data exchange between many partners.<\/p>\n<h2>Conclusion<\/h2>\n<p>EDI is not a standalone project, but a strategic foundation for digital B2B processes. Those who understand EDI holistically can automate business processes, meet regulatory requirements, and achieve long-term growth.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Understanding the Components of EDI Electronic Data Interchange enables companies to exchange structured business documents directly between systems. While the concept of EDI is widely known, the technical components behind it are often unclear. We\u2019re here to sort that for you. EDI is composed of several interconnected elements that work together to exchange data between [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[24],"tags":[],"region":[293],"industry":[356],"topic":[437],"product":[506],"integration_type":[521],"erp":[541],"class_list":["post-49376","post","type-post","status-publish","format-standard","hentry","category-uncategorized-en-gb","region-global-en-gb","industry-industry-agnostic-en-gb","topic-edi-informational-en-gb","product-edi-en-gb","integration_type-integration-agnostic-en-gb","erp-erp-agnostic-en-gb"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.4 (Yoast SEO v27.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How EDI Works: Connections, Formats &amp; Networks<\/title>\n<meta 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