EDI Requirements

Chewy EDI Requirements

Chewy runs two vendor lanes: wholesale/warehouse vendors who ship into Chewy fulfillment centers on traditional EDI, and drop-ship vendors who fulfill direct to the pet parent (commonly onboarded through Chewy’s Dsco/Rithum platform). EDI is mandatory for wholesale, the 856/ASN with box-level detail is the most compliance-sensitive document, and Chewy uses a split version rule — the 850 on X12 v5010 while 846/856/810 run on v4010 — that trips up first-time vendors.

Required EDI documents

Document	Name	Notes
EDI 850	Purchase Order	X12 v5010
EDI 855	PO Acknowledgment
EDI 856	Advance Ship Notice (ASN)	most compliance-sensitive; box-level packing + SSCC
EDI 810	Invoice	must match PO
EDI 846	Inventory Advice	daily/real-time; drop-ship
EDI 852	Product Activity Data	conditional
EDI 870	Order Status Report	conditional
EDI 940	Warehouse Shipping Order	third-party warehouse / drop-ship, as applicable
EDI 945	Warehouse Shipping Advice	third-party warehouse / drop-ship, as applicable
EDI 997	Functional Acknowledgment

Labeling & packaging

GS1-128 carton/shipping labels with a unique SSCC-18; the SSCC-18 in each pack-level loop of the 856 must match the physical barcode exactly.
ASN requires box-level packing detail (carton contents, weights, tracking) tied to the SSCC.
GS1-licensed GTINs/UPCs required; label placement and carton specs are governed by Chewy’s routing guide.

Connection & portal

AS2, VAN, or SFTP on ANSI X12 — note the split versions (850 on v5010; 846/856/810 on v4010). Providers (SPS, Cleo, TrueCommerce) can broker connectivity.
The Vendor Partner Portal (vpp.chewy.com) is the vendor portal for onboarding, certification, and compliance visibility, alongside EDI.
Drop-ship vendors are commonly integrated through Chewy’s Dsco/Rithum platform (API/feed-based) rather than traditional wholesale EDI.

Onboarding & testing

Reported 2–4 weeks, partner-controlled and faster than big-box programs. Mandatory certification testing for each document before production. Sequence: vendor setup + Partner Portal registration → choose provider + AS2/VAN/SFTP → mapping (mind the v5010/v4010 split) → certify each transaction set → go live.

Compliance & chargebacks

• Chargeback exposure is reported as medium-high: formatting errors, ASN/label defects, and invoice-to-PO mismatches are reported to trigger rejections and chargebacks — confirm current figures against Chewy’s routing guide and your vendor agreement.
• On-time shipping and fill-rate expectations feed vendor performance tracking in the Partner Portal.
• Annual social-compliance audits may be required as a condition of doing business.

Worth knowing

• Pet and consumables mean high-velocity, replenishment-heavy POs and daily/real-time 846 inventory feeds — inventory accuracy is a first-class requirement, not an afterthought.
• Two models with different plumbing: wholesale/warehouse (traditional EDI) vs. drop-ship (often Dsco/Rithum) — confirm which applies before mapping.
• The split X12 version rule (850 v5010, others v4010) is an easy first-mapping mistake.

How EndlessEDI helps with Chewy

First-time Chewy vendors most often miss the split versions (850 on v5010, the rest on v4010) and the box-level ASN detail. EndlessEDI handles each document on the version Chewy expects, builds the box-level 856 with matching SSCCs, and keeps a live 846 flowing for high-velocity replenishment, with PO, ASN, and invoice reconciled.

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Chewy EDI FAQ

What EDI documents does Chewy require?

Core documents are the 850 (PO), 855 (PO acknowledgment), 856 (ASN), 810 (invoice), and 997, with 846 inventory (daily/real-time), 852, and 870 conditional. Third-party-warehouse and drop-ship flows may add the 940/945.

What EDI version does Chewy use?

Chewy uses a split rule: the 850 (PO) is on ANSI X12 v5010, while the 846, 856, and 810 run on v4010. Mapping all documents to one version is a common first-time error — confirm the current spec in your routing guide.

How does Chewy handle drop-ship vs. wholesale vendors?

Wholesale/warehouse vendors ship into Chewy’s fulfillment centers on traditional EDI. Drop-ship vendors fulfill direct to the customer and are commonly onboarded through Chewy’s Dsco/Rithum platform rather than classic wholesale EDI.

EDI requirements and penalty schedules change and vary by program. Figures marked “reported” come from third-party sources, not the retailer’s published fee schedule — always confirm against the retailer’s current routing guide and your vendor agreement.