What Costco requires
Purchase Order
The order a trading partner sends you. Process same day, never re-key.
Purchase Order Acknowledgment
Confirms what you can ship against the PO — quantities, dates, substitutions.
Ship Notice / ASN
The carton-level shipment mirror that must arrive before the freight does.
Invoice
Your bill for the shipment. Must reconcile with the PO and the ASN.
Functional Acknowledgment
The receipt for every document. Automatic, both directions, within minutes.
Compliance matters here: Costco depot compliance. EDISQ validates every outbound document against Costco's companion guide before transmission, so chargebacks stop at the map.
How EDISQ connects to Costco
Costco trades through a VAN interconnect — the VAN hop is included in the per-document price. EDISQ handles the interconnect, registers your IDs, and loads the certified maps the moment you enable the partner:
Typical Costco setup with EDISQ: 2–3 days on the EDI side.
Pricing for Costco suppliers
No Costco-specific fees. First 25 documents/month free, then $0.50 per document, cheaper as volume grows — no VAN, mapping, or partner fees. Full pricing →
Costco EDI FAQ
Does Costco use a VAN?
Costco still trades through VAN interconnect for many suppliers. The VAN hop is included in EDISQ's per-document price — no separate VAN bill.
What does EDI with Costco cost?
Per document only: first 25/month free, then from $0.50, decreasing with volume.