SUPPLIER ONBOARDING · ROWDY EDI
What Amazon (Vendor Central) needs from you, in EDI
A plain-English reference to what Amazon (Vendor Central) requires from suppliers in EDI — the documents, labels, and rules — plus a free check to see if yours would pass.
Amazon (Vendor Central) requirements
| Documents you must return | 855 · 856 · 810 |
| X12 version | 004010 |
| Line-item key | UP (UPC) |
| Advance Ship Notice (856) | Required |
| SSCC-labeled cartons | Required on every ASN |
Tight ASN windows and a high accuracy bar; ASN/label/timing defects run 2–10% of COGS. Variant-heavy 850s — the PO can carry extra qualifiers.
We hand you a real Amazon (Vendor Central) purchase order · you upload your responses · instant scorecard + fixes