What EDI documents does Walgreens require?

Most Walgreens supplier programs center on order-to-cash X12 sets — typically 850 purchase orders, 855 acknowledgments, 856 advance ship notices, and 810 invoices. Additional sets vary by category; confirm against your SupplierNet implementation guide.

How long does Walgreens EDI onboarding take?

Industry averages land around 2–6 weeks, but timelines depend on test cycles, DC routing, and exception handling in SupplierNet. SignalEDI helps your team get technically ready in days, not weeks while the retailer controls certification approval.

Can SignalEDI help avoid retailer chargebacks?

SignalEDI validates ASN, PO reference, and invoice alignment before files leave your control — catching mismatches early reduces the chargeback exposure common on high-volume retail programs.

Retailer EDI requirements

Walgreens EDI requirements

ANSI X12 4010 · AS2/VAN/FTP · Portal: SupplierNet · Typical onboarding: 2–6 weeks

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Walgreens-specific compliance context

SupplierNet is the vendor portal for certification and day-to-day compliance visibility.
Typical onboarding window: 2–6 weeks before production cutover (partner-controlled).
High chargeback exposure when ASN, invoice, or label rules drift.

Core EDI documents

Code	Document	Direction	Notes
850	Purchase Order	Inbound	Foundation of all Walgreens transactions
856	Advance Ship Notice	Outbound	Must arrive 4 hrs before DC delivery, 1 hr before store delivery
810	Invoice	Outbound	One PO per invoice; separate invoices for charges/credits; >90 days = $200 fee
820	Remittance Advice	Inbound	Received from Walgreens for payment
997	Functional Acknowledgment	Both	Notify Walgreens if 997 not received within 3 business days

Compliance requirements

ASN timing strictly enforced: 4 hrs before DC, 1 hr before store delivery
GS1-128 labels required on all shipments
Separate invoices for charges and credits — no combined documents
One PO per invoice rule strictly enforced
Testing required: 20+ invoices and credits before go-live
Invoices older than 90 days incur $200 fee; >48 hrs risk rejection

Supplier programs & chargeback risk

Programs: Direct Store Suppliers, DC Suppliers, DSD

Chargeback exposure: High — late/missing ASN, late invoices ($200 fee), missing 997, invoice/PO mismatch

Trust & proof

Built for SMB teams that need API-first EDI, healthcare diligence, and predictable pricing.

SignalEDI keeps the public promise consistent across every route: real-time processing, transparent monthly plans, no per-document fees, QuickBooks-friendly handoffs, and core healthcare X12 workflows on paid plans.

HIPAA-aware handlingBAA path documentedSecure API + webhooksNo per-document fees

Operations teams

“A supplier operations team can see partner setup, validation, exceptions, and QuickBooks handoff in one workspace instead of chasing spreadsheets.”

Healthcare billing

“837, 835, and 270/271 workflows are explained in plain English, with HIPAA-aware handling and a documented BAA review path for diligence.”

Developer teams

“JSON/CSV in and X12 out, with API docs, webhooks, real-time status, and validation responses that make EDI feel like modern infrastructure.”

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