Verification Messaging

GS1 Lightweight Messaging Standard

for Verification of Product Identifiers 

Specifies requests and responses for verification of product identifiers, especially for pharmaceuticals

This standard is intended to provide a simple standardised lightweight messaging framework for asking verification questions and receiving actionable information that immediately enables the requesting party to determine whether to accept, reject or quarantine a product instance, based on such an authentication check of the product identifier and associated data.  It defines a verification request message and a corresponding response message. 

Although this standard was driven by pharmaceutical regulatory requirements in the US, it has been developed as a generic lightweight framework that will support re-use and extension for other product sectors (e.g., food, components in technical industries), in all geographic regions.

This standard is a new addition to the “Share” layer of GS1 standards. At a high level, the request/response is a form of transactional messaging, albeit without a direct link to existing GS1 EDI standards.

This is the first GS1 standard to include JSON as a message response syntax; it is also the first GS1 standard to leverage the new GS1 Digital Link (Web URI) standard for the request syntax.

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