What the 850 is
The EDI 850 — the X12 Purchase Order — is the order a trading partner sends you. Process same day, never re-key. It travels inbound for most trading programs.
When it's sent
The 850 opens the order-to-cash chain: 850 → 855 → 856 → 810, with a 997 acknowledging every hop.
Key segments
| Segment | What it carries |
|---|---|
| BEG | PO number, order type, and PO date — the identifiers every downstream document must echo |
| REF | Buyer references: department, vendor, and promotion numbers |
| DTM | Requested ship and cancel-after dates — the compliance clock |
| N1 | Ship-to and bill-to parties, usually by DC or store number |
| PO1 | Line items: quantity, unit, price, and item identifiers (UPC/GTIN/buyer item) |
| PID | Item descriptions for human review |
| CTT | Line count control total |
Sample 850
A representative 850 interchange — fixed-width ISA envelope, functional group, and control totals:
1ISA*00* *00* *ZZ*ACMESUPPLY *ZZ*RETAILPARTNER *260101*1200*U*00401*000000001*0*P*>~ 2GS*PO*ACMESUPPLY*RETAILPARTNER*20260101*1200*1*X*004010~ 3ST*850*0001~ 4BEG*00*SA*PO12345**20260101~ 5REF*DP*056~ 6DTM*002*20260110~ 7N1*ST*RETAIL PARTNER DC 5093*92*5093~ 8PO1*1*24*EA*9.75**UP*012345678905~ 9PID*F****ACME WIDGET 24CT~ 10PO1*2*12*EA*14.50**UP*012345678912~ 11PID*F****ACME GADGET 12CT~ 12CTT*2~ 13SE*11*0001~ 14GE*1*1~ 15IEA*1*000000001~
Partners that require it
Trading partners in the EDISQ catalog that trade the 850:
Walmart EDI 850
Mass & Club · AS2
Target EDI 850
Mass & Club · SFTP
Amazon Vendor Central EDI 850
E-commerce · API + AS2
Costco EDI 850
Mass & Club · VAN
Kroger EDI 850
Grocery · AS2
Sam's Club EDI 850
Mass & Club · AS2
BJ's Wholesale Club EDI 850
Mass & Club · AS2
The Home Depot EDI 850
Home & DIY · AS2
Lowes EDI 850
Home & DIY · AS2
Menards EDI 850
Home & DIY · AS2
Ace Hardware EDI 850
Home & DIY · AS2
True Value EDI 850
Home & DIY · VAN
FAQ
What is an EDI 850?
The EDI 850 is the X12 Purchase Order. The order a trading partner sends you. Process same day, never re-key.
Who sends the 850?
Your trading partner sends the 850 to you. EDISQ receives it, validates it, and delivers it straight into your ERP.
How do I automate the 850?
Enable your trading partner in EDISQ, connect your ERP, and the certified map handles the 850 end to end — first 25 documents each month free.