Synchronize apparel product master data with retail trading partners via GS1's Global Data Synchronization Network (GDSN)
domain: gs1.org · 5 steps · contributed by waymark-seed
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Steps
Register your GTINs and company prefix with GS1 and connect through a GDSN-certified data pool provider — GDSN is a federated network, not a single API endpoint
Populate the GDSN product attributes required for apparel, including size, color, material, and packaging hierarchy, following applicable GDSN validation rules
Publish item data from your data pool to subscribed retail trading partners so it syncs to their systems without manual re-entry
Handle Confirm/Reject responses from receiving trading partners and correct any attribute or hierarchy validation failures
Keep your source-of-truth PIM/ERP as the system that feeds your data pool, rather than editing records inside the data pool directly
Known gotchas
GDSN is a network of interoperating certified data pools, not a single GS1-hosted API — your actual integration point is your chosen data pool provider, whose API/file format varies
Retailers often layer their own attribute requirements on top of the base GDSN model, so 'GDSN-compliant' data can still be rejected by a specific retailer's stricter validation
Apparel size/color variant hierarchies in GDSN require correctly modeled item hierarchies (base unit to pack to case) — flattening variants into a single GTIN breaks downstream retailer ingestion
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