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EDI Costco 850
X12 Inbound

Costco X12 850 Purchase Order

X12 850 (Purchase Order) is the EDI transaction exchanged between Costco and its trading partners. Stacksync handles full compliance, mapping, and real-time delivery.

Segments
21
Loops
7
X12 850
All partners ↗

Schema reference

21 segments · 7 loops · X12 850 Purchase Order

ISA

ISA Interchange Control Header

GS

GS Functional Group Header

ST

Transaction Set Header

BEG

Beginning Segment for Purchase Order

REF

Reference Identification

FOB

F.O.B. Related Instructions

Loop
SAC

Service, Promotion, Allowance, or Charge Information

ITD

Terms of Sale/Deferred Terms of Sale

DTM

Date/Time Reference

TD5

Carrier Details (Routing Sequence/Transit Time)

Loop
N9

Reference Identification

MSG

Message Text

Loop
N1

Name

N3

Address Information

N4

Geographic Location

PER

Administrative Communications Contact

Loop
PO1

Baseline Item Data

Loop
PID

Product/Item Description

Loop
SAC

Service, Promotion, Allowance, or Charge Information

Loop
CTT

Transaction Totals

SE

Transaction Set Trailer

Costco EDI 850 FAQ

Common questions about 850 Purchase Order with Costco.

What is X12 850 Purchase Order?
X12 850 (Purchase Order) is the EDI transaction set used to exchange purchase order data. Costco requires it from trading partners.
Does Costco require 850 for trading partners?
Yes — Costco supports X12 850 Purchase Order. Stacksync handles the full integration so your team can focus on operations.
How fast can I integrate Costco 850 with Stacksync?
Most companies go live with Costco 850 on Stacksync in days. Pre-built mappings, no-code setup, and real-time monitoring make EDI compliance straightforward.

Ready to automate your Costco EDI?

Most teams go live in days, not months. Talk to our team and we'll walk you through your specific setup.