GS1EPCIS is a GS1 standard for capturing and sharing supply chain visibility event data across trading partners. It provides a standardized way to record what happened, where, when, and why as physical or digital objects move through business processes, enabling end-to-end traceability from manufacturing through distribution to the point of sale.
Background
EPCIS traces its origins to the MIT Auto-ID Center, which published a 2001 paper proposing the Physical Markup Language (PML) as a universal language for describing physical objects. When EPCglobal took over the Auto-ID Center's work in 2004, PML was reconceived as Electronic Product Code Information Services. The first version of the EPCglobal Architecture Framework (2005) positioned EPCIS within a broader architecture for RFID-based object tracking in supply chains. EPCIS 1.0 was ratified in April 2007, with over 30 companies having already used the draft standard for data exchange.
Purpose & Scope
EPCIS defines a data model for visibility events — discrete records of business activities involving identified objects. Despite the "EPC" in its name (a historical artifact from its RFID origins), EPCIS supports any identification scheme including GS1 barcodes, RFID tags, and other identifiers. The standard covers:
- Object Events — observations of objects at a location and time
- Aggregation Events — packing or unpacking of objects into containers
- Transaction Events — association of objects with business transactions
- Transformation Events (since EPCIS 1.1) — processes where inputs become outputs
- Association Events (since EPCIS 2.0) — linking objects to other entities
Each event captures four dimensions: What (identified objects), Where (location), When (timestamp), and Why (business context drawn from the Core Business Vocabulary).
Version History
| Version | Year | Key Changes |
|---|---|---|
| 1.0 | 2007 | Initial release |
| 1.1 | 2014 | Class-level identification, Transformation Events |
| 1.2 | 2016 | Error declaration, master data in headers |
| 2.0 | 2022 | JSON/JSON-LD binding, REST API, digital link URIs |
Serializations & Technical Formats
EPCIS 2.0 supports both XML and JSON/JSON-LD bindings. The XML binding follows the established EPCIS document format, while the JSON-LD binding enables semantic web interoperability and aligns with modern REST API patterns. The accompanying Core Business Vocabulary (CBV) 2.0 provides standardized identifiers for business steps, dispositions, and other event context.
Governance & Maintenance
EPCIS is developed and maintained by GS1, the global standards organization responsible for barcodes, EDI, and supply chain standards. The standard goes through a formal ratification process involving GS1 member organizations worldwide. Conformance testing is administered by designated testing partners.
Notable Implementations
EPCIS is deployed across pharmaceutical supply chains (for drug serialization and traceability mandated by regulations like the US Drug Supply Chain Security Act), food safety traceability, retail inventory management, and logistics. The standard is supported by numerous commercial middleware and integration platforms that have received GS1 compliance certification.