Target Vendor EDI Setup: A Complete Supplier Guide

Target’s EDI onboarding is less about a hard technical requirement and more about process. Unlike retailers that mandate a specific connection protocol and leave you to figure out the rest, Target runs supplier enablement through a structured, portal-mediated workflow — Partners Online (POL) for registration and compliance documentation, and a separate EDI portal where you submit your connection request and manage your trading partner profile. The transaction sets themselves are standard; what slows suppliers down is the paperwork, the approval lag, and the testing sequence. If you understand that going in, you can front-load the steps that eat time and avoid the most common cause of delayed go-live: starting late.

Registration: The Step That Eats Weeks

Everything starts with Partners Online registration, and this is where suppliers lose time they didn’t budget for. Target has to approve your vendor profile before you can access the EDI portal, submit connection requests, or begin testing. That approval isn’t instant — it involves paperwork, verification of your business details, and alignment between your buyer’s setup and Target’s vendor management team. If you submit your registration the day you’re ready to test, you’ve already built a delay into your timeline that you can’t compress.

Start the Partners Online registration as soon as you have your vendor number. Don’t wait until your ERP is configured or your labels are printed — those can happen in parallel. The registration approval is the gate, and everything else can be staged behind it.

Connection: AS2 or VAN

Target supports both AS2 (Applicability Statement 2 — a direct, encrypted, certificate-based connection) and VAN (Value-Added Network — an intermediary that routes your documents). Most suppliers use AS2 for direct, fast transmission, but Target doesn’t mandate it the way some retailers do. If you already have a VAN relationship, you can use it for Target. The decision matters less than for some other retailers; what matters is that the connection is tested and stable before you enter the certification queue.

The Transaction Sets — and What Target Is Specific About

Target requires the standard retail transaction sets:

• EDI 850 — Purchase Order: Inbound from Target.
• EDI 855 — Purchase Order Acknowledgment: You confirm receipt and flag any fulfillment changes.
• EDI 856 — Advance Ship Notice (ASN): Must arrive in Target’s system before the physical shipment arrives at the DC. This is the Target-specific nuance — the ASN-before-arrival rule means that for shipments with short transit times (a DC within one day’s drive, for example), you need to send the ASN same-day as carrier pickup, not the next morning.
• EDI 810 — Invoice: Must match the PO and ASN in quantities and pricing.
• EDI 997 — Functional Acknowledgment: Technical receipt confirming each document landed.

The transaction sets themselves aren’t the hurdle. The hurdle is getting them through Target’s certification process with the right data in the right structure — and that’s where the testing scenarios come in.

The Testing Sequence — and Why It Trips Suppliers Up

Target runs a structured certification program, and it’s more involved than a single "send a test document and get approved" pass. The sequence looks like this:

1. Portal registration approved — you have access to the EDI portal and can submit test transactions.
2. Connection testing — verify your AS2 or VAN connection can transmit and receive.
3. Transaction set testing — submit test 856 and 810 transactions. Target’s EDI compliance team reviews them for format accuracy, segment structure, and data completeness.
4. Scenario testing — Target typically requires multiple test scenarios covering different order types: single-line PO, multi-line PO, partial shipment. Each scenario must pass.
5. Shadow period — once test scenarios are approved, you go live with real transactions, but Target monitors them closely before full compliance enforcement kicks in. This is a grace period, not a free pass — errors during shadow are still flagged and need to be fixed before you’re fully certified.

The scenario testing step is where suppliers get surprised. If your EDI setup only handles one order type cleanly, you’ll pass the first scenario and fail the second. Make sure you’ve tested multi-line and partial-shipment flows internally before submitting to Target — failing a scenario means going back to the end of the review queue, which can add days.

Common Post-Go-Live Issues

Even after certification, the same issues recur for Target suppliers:

• ASN sent after shipment arrival — the most frequent chargeback trigger. If the shipment reaches the DC before the ASN is in Target’s system, the receiving process can’t match cartons to expected contents, and you get dinged.
• Missing item-level detail in the 856 — Target’s receiving depends on item-level pack structure in the ASN. A carton-level-only ASN without the item breakdown inside each carton will fail.
• Invoice quantities not matching PO quantities — the 810 must reconcile to the original 850. If you shipped a partial order but invoiced the full PO quantity, or if unit prices don’t match, the discrepancy triggers a deduction.

A Realistic Timeline

If you start Partners Online registration on day one and everything goes smoothly, a realistic Target onboarding takes several weeks — not days. Portal approval can take several business days, connection testing a few more, transaction set testing and review another stretch, scenario testing in rounds if any fail, and then the shadow period. Suppliers who try to compress this into a week are almost always the ones who miss a step and have to restart part of the process. Build in buffer time, start registration early, and have your test transactions ready before you’re in the queue.

If you’re working with an EDI provider, ask them specifically about their Target certification experience — which scenarios they’ve tested, how they handle the shadow period, and whether they’ll coordinate directly with Target’s compliance team on your behalf. That coordination is what compresses the timeline without skipping steps.