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EDI · Flat

Tender freight with United Hardware.

United Hardware requires suppliers to meet strict EDI compliance standards. Supported document types include 810 Invoice, 850 Purchase Order, 856 Ship Notice/Manifest. Stacksync connects directly to United Hardware's EDI network and syncs all transactions to your ERP in real time — with no-code setup and built-in compliance monitoring.

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Document
2
X12 · inbound
Primary txn
204
Motor Carrier Load Tender
Go-live median
3d
No VAN required

Adopted by fast-scaling companies moving mission-critical data in real time

Case study
Migrated from Mulesoft
Case study
Migrated from Celigo
Migrated from Heroku Connect
Migrated from Matillion
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Migrated from Fivetran
Case study
Migrated from Celigo

Document catalog

EDI documents we support for United Hardware

2 EDI transactions ready to integrate.

How it works

Three steps to live United Hardware EDI.

Stacksync handles the complexity of United Hardware EDI so your team doesn't have to. Connect your ERP, WMS, or database through a simple API — we translate, validate, and deliver every transaction automatically.

  1. 01

    Connect your systems

    Plug Stacksync into your ERP, WMS, or database with a no-code connector. We handle authentication, schema discovery, and field mapping.

  2. 02

    Map to United Hardware guidelines

    We ship pre-built mappings for every United Hardware document type. Override any field, add custom validation, or extend with custom code.

  3. 03

    Send & receive in real time

    Stacksync translates, validates, and delivers every transaction over AS2, SFTP, or API. Watch every document flow live in the dashboard.

Why Stacksync

Built for EDI suppliers — not enterprise legacy.

From pre-built United Hardware mappings to real-time compliance checks, Stacksync removes the friction from EDI — so you can focus on growing your business.

  • Pre-built mappings

    Stacksync ships native mappings for every United Hardware document type. No more 6-week field-mapping projects.

  • Real-time monitoring

    Every transaction shows up in the dashboard the second it lands — with retry, revert, and replay built in.

  • No vendor lock-in

    Your data lives in your ERP/WMS/database. Stacksync is the translation layer, not the system of record.

  • Days, not months

    Most United Hardware suppliers go live in under a week. We migrate from SPS Commerce, TrueCommerce, Cleo and IBM Sterling.

LEGACY EDI MIGRATION FUND

Stuck with a legacy EDI vendor? We'll buy your way out.

Stacksync buys back your current contract with SPS Commerce, Cleo, TrueCommerce, or OpenText. No strings. No catch.

Check your eligibility for the EDI migration fund
Migrate from SPS Commerce
Migrate from Cleo
Migrate from TrueCommerce
Migrate from OpenText
SECURITY

Security teams love Stacksync

As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer.

Learn more about security
SOC 2 type II
ISO 27001
HIPAA BAA
GDPR
CCPA
DPF US, EU, UK, CH
CSA STAR
→ SECURITY WITH BENEFITS

SSO & SCIM

Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.

Alerts

Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.

Secure connection options

Securely connects to your systems with:

OAuth 2SSH TunnellingSSL certificatesIP WhitelistingVPN gatewayVPC peering and more

Trading partners

5,000+ trading partners.
And every channel covered.

We connect to every major retailer, distributor, and 3PL on the EDI network. Type to search the directory, or browse the full catalogue.

Amazon Target Walmart JCPenney The Home Depot Costco NEXCOM (Navy Exchange Service Command) Rivian Automotive, Inc Dillard's Department Stores, Inc. Dow Inc. Dot Foods, Inc. Granite City Electric Google Kroger Modernized Systems Shoe Carnival Sprouts Farmers Market Williams Sonoma Nordstrom Kroger Boscov's Department Stores Core
Browse the full directory

FAQ

United Hardware EDI questions

What is United Hardware EDI?

United Hardware accepts EDI for 2 document types across 0 channels. Trading partners use EDI to exchange purchase orders, invoices, shipping notices, and acknowledgements with United Hardware programmatically — Stacksync handles the entire EDI exchange, validation, and translation into your ERP, WMS, or database.

Which EDI standards does United Hardware use?

United Hardware uses X12. Stacksync supports both X12 (the dominant North American standard) and EDIFACT (the dominant European and global shipping standard) for every connected trading partner. Channel-specific implementation guidelines from United Hardware are pre-built into the Stacksync connector and validated on every outbound transaction.

Which transaction codes does United Hardware support?

United Hardware supports 2 transaction codes in total. The most common include: 856, 810. Each code is mapped to its business-record equivalent (purchase order, ASN, invoice, etc.) inside Stacksync, so EDI exchanges land directly in your ERP or warehouse without manual translation.

How long does United Hardware EDI integration take with Stacksync?

Most United Hardware EDI integrations go live in 3 to 10 business days. The Stacksync team handles partner enrolment, channel certification, transaction-set mapping per United Hardware's implementation guide, and end-to-end testing. Complex multi-channel deployments or custom transaction sets take 2 to 4 weeks. Cutover is zero-downtime and parallel-run validated.

Coworkers laughing in front of a laptop in a casual office setting

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