Document guide
850 purchase order guide
The 850 is the inbound purchase order that starts most supplier EDI workflows.
What the 850 is
An 850 tells a supplier what was ordered, where it ships, and which item identifiers matter.
- PO number
- Buyer location
- Line items
- Delivery dates
Example segments
ST*850*0003~ BEG*00*SA*PO1001**20260504~ N1*BY*RETAILER*92*STORE17~ PO1*1*12*EA*19.99**VN*SKU-100~
Common errors
- Missing BEG03 PO number
- Buyer/store location mismatch
- PO1 quantity or SKU mismatch
- Duplicate PO processing
How SignalEDI handles it
- Maps BEG/N1/PO1 into structured order objects.
- Prevents duplicate order intake.
- Links PO data to ASN and invoice workflows.
Related paths
FAQ
- Who sends the 850?
- The buyer or retailer usually sends the 850 to the supplier.
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