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EDI Transactions

Transaction-set-specific guides covering purchase orders, invoices, shipping notices, and healthcare claims across X12 and EDIFACT.

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Beginner14 min read

X12 850 Purchase Order: Complete EDI Guide

A complete, segment-by-segment walkthrough of the X12 850 Purchase Order — what it is, how it's structured, how to map it, and how to troubleshoot the errors that show up most often in production.

X12850Purchase Order
Priya Raman2026-08-19

Beginner guides

Related transactions

850x12

Purchase Order

The X12 850 is the electronic purchase order a buyer sends to a supplier to request goods or services, replacing paper or PDF POs with a structured, machine-readable document.

856x12

Advance Ship Notice

The X12 856 (ASN) tells the buyer exactly what was shipped, how it was packed (pallet/case/item hierarchy), and when it will arrive — before the truck reaches the dock.

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Invoice

The X12 810 is the electronic invoice a supplier sends after (or with) a shipment, billing the buyer for goods or services delivered.