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ISA Interchange Control Header
Walmart X12 855 Purchase Order Acknowledgment
X12 855 (Purchase Order Acknowledgment) is the EDI transaction exchanged between Walmart and its trading partners. Stacksync handles full compliance, mapping, and real-time delivery.
- Segments
- 9
- Loops
- 2
- X12 855
- All partners ↗
Schema reference
9 segments · 2 loops · X12 855 Purchase Order Acknowledgment
GS Functional Group Header
Transaction Set Header
Beginning Segment for Purchase Order Acknowledgment
Reference Information
Loop
Baseline Item Data
Reference Information
Loop
Line Item Acknowledgment
Transaction Set Trailer
Trading partners
12+ trading partners.
And every channel covered.
We connect to every major retailer, distributor, and 3PL on the EDI network. Type to search the directory, or browse the full catalogue.
IN Invoice PU Purchase Order AP Application Advice RE Response to a Load Tender SH Ship Notice/Manifest PU Purchase Order Change Request TR Transportation Carrier Shipment Status Message TE Text Message MO Motor Carrier Load Tender OR Organizational Relationships MO Motor Carrier Freight Details and Invoice IN Inventory Inquiry/Advice
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Walmart EDI 855 FAQ
Common questions about 855 Purchase Order Acknowledgment with Walmart.
What is X12 855 Purchase Order Acknowledgment?
X12 855 (Purchase Order Acknowledgment) is the EDI transaction set used to exchange purchase order acknowledgment data. Walmart requires it from trading partners.
Does Walmart require 855 for trading partners?
Yes — Walmart supports X12 855 Purchase Order Acknowledgment. Stacksync handles the full integration so your team can focus on operations.
How fast can I integrate Walmart 855 with Stacksync?
Most companies go live with Walmart 855 on Stacksync in days. Pre-built mappings, no-code setup, and real-time monitoring make EDI compliance straightforward.
Ready to automate your Walmart EDI?
Most teams go live in days, not months. Talk to our team and we'll walk you through your specific setup.