X12

Inbound

Walmart X12 850 Purchase Order

All Business Units

The EDI 850 Purchase Order is Walmart's primary document for placing orders with suppliers. It contains item details, quantities, pricing, shipping instructions, and delivery windows. Suppliers must acknowledge and fulfill these orders according to Walmart's compliance requirements.

28segments

10loops

6mandatory

Book a demo

← All Walmart transactions

Schema Reference

28 segments · X12 850 Purchase Order

ISA01 Authorization Information Qualifier

M ID 2-2

ISA02 Authorization Information

M AN 10-10

ISA03 Security Information Qualifier

M ID 2-2

ISA04 Security Information

M AN 10-10

ISA05 Interchange ID Qualifier

M ID 2-2

ISA06 Interchange Sender ID

M AN 15-15

ISA07 Interchange ID Qualifier

M ID 2-2

ISA08 Interchange Receiver ID

M AN 15-15

ISA09 Interchange Date

M DT 6-6

ISA10 Interchange Time

M TM 4-4

ISA11 Repetition Separator M MIN 1 MAX 1 ID: I65 Type is not applicable; the repetition separator is a delimiter and not a data element; this field provides the delimiter used to separate repeated occurrences of a simple data element or a composite data structure; this value must be different than the data element separator, component element separator, and the segment terminator ISA12 Interchange Control Version Number

M ID 5-5

ISA13 Interchange Control Number

M N0 9-9

ISA14 Acknowledgment Requested

M ID 1-1

ISA15 Interchange Usage Indicator

M ID 1-1

GS01 Functional Identifier Code

M ID 2-2

GS02 Application Sender's Code

M AN 2-15

GS03 Application Receiver's Code

M AN 2-15

GS04 Date

M DT 8-8

GS05 Time

M TM 4-8

GS06 Group Control Number

M N0 1-9

GS07 Responsible Agency Code

M ID 1-2

GS08 Version / Release / Industry Identifier Code

M AN 1-12

ST01 Transaction Set Identifier Code

M ID 3-3

ST02 Transaction Set Control Number

M AN 4-9

BEG01 Transaction Set Purpose Code

M ID 2-2

BEG02 Purchase Order Type Code

M ID 2-2

BEG03 Purchase Order Number

M AN 1-22

BEG04 Release Number

O AN 1-30

BEG05 Date

M DT 8-8

CUR01 Entity Identifier Code

M ID 2-3

CUR02 Currency Code

M ID 3-3

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-50

FOB01 Shipment Method of Payment

M ID 2-2

FOB02 Location Qualifier

C ID 1-2

FOB03 Description

O AN 1-80

SAC Loop Repeat: 25

SAC01 Allowance or Charge Indicator

M ID 1-1

SAC02 Service, Promotion, Allowance, or Charge Code

C ID 4-4

SAC05 Amount

O N2 1-15

SAC06 Allowance/Charge Percent Qualifier

C ID 1-1

SAC07 Percent, Decimal Format

C R 1-6

SAC08 Rate

O R 1-9

SAC09 Unit or Basis for Measurement Code

C ID 2-2

SAC10 Quantity

C R 1-15

SAC12 Allowance or Charge Method of Handling Code

O ID 2-2

ITD01 Terms Type Code

O ID 2-2

ITD02 Terms Basis Date Code

O ID 1-2

ITD03 Terms Discount Percent

O R 1-6

ITD05 Terms Discount Days Due

C N0 1-3

ITD07 Terms Net Days

O N0 1-3

ITD08 Terms Discount Amount

O N2 1-10

DTM01 Date/Time Qualifier

M ID 3-3

DTM02 Date

C DT 8-8

DTM03 Time

C TM 4-8

PID01 Item Description Type

M ID 1-1

PID02 Product/Process Characteristic Code

O ID 2-3

PID03 Agency Qualifier Code

C ID 2-2

PID04 Product Description Code

C AN 1-12

N9 Loop Repeat: 1,000

N901 Reference Identification Qualifier

M ID 2-3

N902 Reference Identification

C AN 1-50

MTX02 Textual Data

C AN 1-4096

N1 Loop Repeat: 200

N101 Entity Identifier Code

M ID 2-3

N102 Name

C AN 1-60

N103 Identification Code Qualifier

C ID 1-2

N104 Identification Code

C AN 2-80

N301 Address Information

M AN 1-55

N302 Address Information

O AN 1-55

N401 City Name

O AN 2-30

N402 State or Province Code

C ID 2-2

N403 Postal Code

O ID 3-15

N404 Country Code

C ID 2-3

PO1 Loop Repeat: 100,000

PO101 Assigned Identification

O AN 1-20

PO102 Quantity

C R 1-15

PO103 Unit or Basis for Measurement Code

O ID 2-2

PO104 Unit Price

C R 1-17

PO105 Basis of Unit Price Code

O ID 2-2

PO106 Product/Service ID Qualifier

C ID 2-2

PO107 Product/Service ID

C AN 1-48

PO108 Product/Service ID Qualifier

C ID 2-2

PO109 Product/Service ID

C AN 1-48

PO110 Product/Service ID Qualifier

C ID 2-2

PO111 Product/Service ID

C AN 1-48

PO112 Product/Service ID Qualifier

C ID 2-2

PO113 Product/Service ID

C AN 1-48

PO114 Product/Service ID Qualifier

C ID 2-2

PO115 Product/Service ID

C AN 1-48

PO116 Product/Service ID Qualifier

C ID 2-2

PO117 Product/Service ID

C AN 1-48

PO118 Product/Service ID Qualifier

C ID 2-2

PO119 Product/Service ID

C AN 1-48

PO120 Product/Service ID Qualifier

C ID 2-2

PO121 Product/Service ID

C AN 1-48

PO122 Product/Service ID Qualifier

C ID 2-2

PO123 Product/Service ID

C AN 1-48

PO124 Product/Service ID Qualifier

C ID 2-2

PO125 Product/Service ID

C AN 1-48

CTP Loop

CTP02 Price Identifier Code

C ID 3-3

CTP03 Unit Price

C R 1-17

PO401 Pack

O N0 1-6

PO414 Inner Pack

O N0 1-6

SAC Loop Repeat: 25

SAC01 Allowance or Charge Indicator

M ID 1-1

SAC02 Service, Promotion, Allowance, or Charge Code

C ID 4-4

SAC05 Amount

O N2 1-15

SAC06 Allowance/Charge Percent Qualifier

C ID 1-1

SAC07 Percent, Decimal Format

C R 1-6

SAC08 Rate

O R 1-9

SAC09 Unit or Basis for Measurement Code

C ID 2-2

SAC10 Quantity

C R 1-15

SAC12 Allowance or Charge Method of Handling Code

O ID 2-2

SDQ01 Unit or Basis for Measurement Code

M ID 2-2

SDQ02 Identification Code Qualifier

O ID 1-2

SDQ03 Identification Code

M AN 2-80

SDQ04 Quantity

M R 1-15

SDQ05 Identification Code

C AN 2-80

SDQ06 Quantity

C R 1-15

SDQ07 Identification Code

C AN 2-80

SDQ08 Quantity

C R 1-15

SDQ09 Identification Code

C AN 2-80

SDQ10 Quantity

C R 1-15

SDQ11 Identification Code

C AN 2-80

SDQ12 Quantity

C R 1-15

SDQ13 Identification Code

C AN 2-80

SDQ14 Quantity

C R 1-15

SDQ15 Identification Code

C AN 2-80

SDQ16 Quantity

C R 1-15

SDQ17 Identification Code

C AN 2-80

SDQ18 Quantity

C R 1-15

SDQ19 Identification Code

C AN 2-80

SDQ20 Quantity

C R 1-15

SDQ21 Identification Code

C AN 2-80

SDQ22 Quantity

C R 1-15

N9 Loop Repeat: 1,000

N901 Reference Identification Qualifier

M ID 2-3

N902 Reference Identification

C AN 1-50

MTX02 Textual Data

C AN 1-4096

SLN Loop Repeat: 1,000

SLN01 Assigned Identification

M AN 1-20

SLN03 Relationship Code

M ID 1-1

SLN04 Quantity

C R 1-15

SLN09 Product/Service ID Qualifier

C ID 2-2

SLN10 Product/Service ID

C AN 1-48

SLN11 Product/Service ID Qualifier

C ID 2-2

SLN12 Product/Service ID

C AN 1-48

SLN13 Product/Service ID Qualifier

C ID 2-2

SLN14 Product/Service ID

C AN 1-48

SLN15 Product/Service ID Qualifier

C ID 2-2

SLN16 Product/Service ID

C AN 1-48

SLN17 Product/Service ID Qualifier

C ID 2-2

SLN18 Product/Service ID

C AN 1-48

SLN19 Product/Service ID Qualifier

C ID 2-2

SLN20 Product/Service ID

C AN 1-48

SLN21 Product/Service ID Qualifier

C ID 2-2

SLN22 Product/Service ID

C AN 1-48

SLN23 Product/Service ID Qualifier

C ID 2-2

SLN24 Product/Service ID

C AN 1-48

SLN25 Product/Service ID Qualifier

C ID 2-2

SLN26 Product/Service ID

C AN 1-48

SLN27 Product/Service ID Qualifier

C ID 2-2

SLN28 Product/Service ID

C AN 1-48

AMT Loop

AMT01 Amount Qualifier Code

M ID 1-3

AMT02 Monetary Amount

M R 1-18

CTT Loop Repeat: 1

CTT01 Number of Line Items

M N0 1-6

AMT01 Amount Qualifier Code

M ID 1-3

AMT02 Monetary Amount

M R 1-18

SE01 Number of Included Segments

M N0 1-10

SE02 Transaction Set Control Number

M AN 4-9

How It Works

Automating Walmart EDI 850

Stacksync validates, transforms, and delivers your 850 transactions automatically — so your team can focus on operations, not EDI compliance.

Validate

Transform

Route

Monitor

Stacksync automatically syncs incoming Walmart 850 Purchase Orders directly to your ERP or database. New orders appear in your system within seconds — no manual data entry, no CSV imports. Field mappings are configured once and every future PO flows through automatically.

Business unit variations

General

Walmart EDI 850 FAQ

Common questions about 850 Purchase Order transactions with Walmart.

How long does it take to set up Walmart EDI with Stacksync?

Most suppliers are fully connected and processing live Walmart EDI transactions within 3–5 business days. Stacksync's no-code setup means you don't need developers or EDI consultants — configure your field mappings through our visual interface, run a test cycle, and go live.

How long does it take to set up Walmart EDI with Stacksync?

Ready to automate Walmart EDI?