EDI Trading Partner Setup Checklist (Free)

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12 critical items still open - these are the highest-risk gaps.

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Scope and identifiers

Confirm the transaction sets in scope (for example 850, 855, 856, 810) and direction for eachCRITICALObtain the partner's implementation guide and note the X12 or EDIFACT versionCRITICALRecord ISA/GS qualifiers and IDs for both sides, including padding to 15 charactersCRITICALRecord GLN, DUNS or other location identifiers and ship-to codesAgree on test and production IDs or the ISA15 usage indicatorDocument business contacts, EDI contacts and an escalation path

Connectivity and security

Select the protocol: AS2, SFTP, VAN mailbox or APICRITICALExchange AS2 IDs, URLs, certificates and MDN settings, or SFTP hosts and keysAllow-list IP addresses and open firewall ports on both sidesConfirm encryption, signing and certificate expiry dates, and set renewal remindersCRITICALDefine file naming, compression and polling frequencyAgree the retry and resend process for failed transmissions

Mapping and data

Complete a field-level mapping specification for each transaction setCRITICALLoad cross-references: partner part numbers, UoM, ship-to and bill-to codesCRITICALConfirm unit of measure conversions and decimal precision rulesDefine defaults and rules for missing or optional fieldsSet up control number sequences for ISA, GS and ST per partnerConfirm tax, freight and allowance segments used on invoicesDocument how changes and cancellations are handled (860, 865)

Testing and acknowledgments

Send and receive test files for every transaction set in scopeCRITICALConfirm 997 or 999 acknowledgments are generated and processed both waysCRITICALRun at least one end-to-end test: 850 to order, 855, 856, 810CRITICALTest error cases: unknown part, bad quantity, duplicate PO, invalid dateValidate files with a compliance checker against the guideObtain the partner's written test sign-offTest the ASN against physical labels and the receiving process

Go-live and monitoring

Switch from test to production IDs and confirm the cutover dateCRITICALMonitor the first production documents manually for several daysSet alerts for missing 997s, failed maps and stuck filesCRITICALDocument support runbook and who is on callAgree on chargeback, fine and compliance scorecard rulesStore the final trading partner profile and spec in a shared locationSchedule a review after 30 days for errors and exceptions

Tick each item as it is confirmed with the partner. Critical items should be complete before test files move to production. Export the checklist to keep an audit trail per partner.

Standardize partner onboarding

Optional: we can review your onboarding process and suggest where maps, tests and monitoring can be reused.

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How to use the checklist

Create one copy per trading partner and work through the groups in order. Start with scope and identifiers, because the implementation guide determines everything that follows. The critical items are the ones that most often block testing or cause production failures. Export the completed list to PDF or Excel and store it with the partner profile so a colleague can support the connection later.

Why testing deserves the most time

Most retailers and OEMs require a certain number of clean test transactions before they approve production. A clean syntax check is not enough: the partner also checks business rules such as PO match, quantities, ship-to codes and, for ASNs, whether the packaging hierarchy matches the labels. Test error paths too, because the first real exception in production is a poor time to learn how your system handles a rejected 997 or a duplicate PO.

Check both inbound and outbound for every set
Reconcile control numbers and acknowledgments
Keep copies of test files and partner responses

Common mistakes

Typical issues include ISA IDs not padded to 15 characters, qualifier mismatches such as ZZ versus 01, expired AS2 certificates, unmapped units of measure, and control number resets that cause duplicate rejections. Plan monitoring from day one: a connection with no alert for a missing 997 can quietly fail for days. Also record who in the partner's organization owns compliance scorecards, because chargebacks are usually triggered by late or inaccurate ASNs and invoices.

Frequently Asked Questions

How long does EDI trading partner setup take?

It varies widely. A simple SFTP connection with a few transaction sets can take a few weeks, while large retailers with strict testing and compliance steps often take several weeks to a few months. Mapping complexity and partner response times drive most of the delay.

What is a trading partner agreement?

It is a contract that sets the rules of EDI exchange between two parties, including accepted document types, security, liability for errors, acknowledgment timing and dispute handling. Many companies handle it as part of the master supply agreement or a separate EDI addendum.

Do I need a VAN?

Not always. Many partners accept AS2 or SFTP directly, which avoids VAN fees. Some retailers and industries still require a VAN or specific providers. Check the partner's connectivity requirements and compare per-document costs before choosing.

Which items are most often missed?

Certificate renewals, cross-reference tables, control number setup per partner, and monitoring for missing acknowledgments. These do not break the first test but cause failures later, so add them to the project plan explicitly.

If partner onboarding is slow because each new connection needs custom work, we can help standardize the maps, tests and monitoring around your ERP.

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EDI Trading Partner Setup Checklist