EDI · Flat
Tender freight with United Transport.
United Transport is part of a growing network of EDI-enabled trading partners. Stacksync connects your ERP directly to United Transport's EDI requirements — handling document mapping, validation, and delivery automatically. Go live in days with no-code setup and built-in compliance monitoring.
Adopted by fast-scaling companies moving mission-critical data in real time
Custom integration
United Transport EDI — built to your spec.
We don't ship a catalog for United Transport yet, but Stacksync supports custom EDI integrations. Tell us the document types you need (850, 856, 810, custom mappings…) and we'll wire up your workflow.
Tell us about your United Transport EDIHow it works
Three steps to live United Transport EDI.
Stacksync handles the complexity of United Transport 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.
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Connect your systems
Plug Stacksync into your ERP, WMS, or database with a no-code connector. We handle authentication, schema discovery, and field mapping.
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Map to United Transport guidelines
We ship pre-built mappings for every United Transport document type. Override any field, add custom validation, or extend with custom code.
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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 Transport mappings to real-time compliance checks, Stacksync removes the friction from EDI — so you can focus on growing your business.
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Pre-built mappings
Stacksync ships native mappings for every United Transport document type. No more 6-week field-mapping projects.
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Real-time monitoring
Every transaction shows up in the dashboard the second it lands — with retry, revert, and replay built in.
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No vendor lock-in
Your data lives in your ERP/WMS/database. Stacksync is the translation layer, not the system of record.
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Days, not months
Most United Transport suppliers go live in under a week. We migrate from SPS Commerce, TrueCommerce, Cleo and IBM Sterling.
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 fundSecurity 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.
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:
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.
FAQ
United Transport EDI questions
What is United Transport EDI?
United Transport accepts EDI for 0 document types across 0 channels. Trading partners use EDI to exchange purchase orders, invoices, shipping notices, and acknowledgements with United Transport programmatically — Stacksync handles the entire EDI exchange, validation, and translation into your ERP, WMS, or database.
Which EDI standards does United Transport use?
United Transport uses EDI. 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 Transport are pre-built into the Stacksync connector and validated on every outbound transaction.
Which transaction codes does United Transport support?
United Transport document types are being onboarded. Contact the Stacksync team to confirm which transaction codes you need and Stacksync will prioritize them in the next sprint.
How long does United Transport EDI integration take with Stacksync?
Most United Transport EDI integrations go live in 3 to 10 business days. The Stacksync team handles partner enrolment, channel certification, transaction-set mapping per United Transport'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.