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Walmart · Purchase Order
Implementation notes for feeding the 850 transaction to Walmart.
Envelope defaults
{
"isaSenderQualifier": "12",
"isaReceiverQualifier": "12",
"receiverId": "8005438000",
"versionId": "004010",
"gsCode": "PO",
"usageIndicator": "P"
}Required fields
- REF/REF02 — Walmart vendor number (REF*IA)
- PO1/PO102 — Quantity ordered
- PO1/PO107 — UPC (qualifier UP) required for grocery/consumables
Fixed values
- BEG01 = 00 — Walmart always sends original POs
Filename pattern: WM_850_{yyyymmddhhmm}.txt
Endpoint: Walmart Retail Link AS2/VAN