EDI · Flat
Tender freight with HIGH SIERRA.
HIGH SIERRA is part of a growing network of EDI-enabled trading partners. Stacksync connects your ERP directly to HIGH SIERRA'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
HIGH SIERRA EDI — built to your spec.
We don't ship a catalog for HIGH SIERRA 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 HIGH SIERRA EDIHow it works
Three steps to live HIGH SIERRA EDI.
Stacksync handles the complexity of HIGH SIERRA 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 HIGH SIERRA guidelines
We ship pre-built mappings for every HIGH SIERRA 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 HIGH SIERRA 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 HIGH SIERRA 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 HIGH SIERRA 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
HIGH SIERRA EDI questions
What is HIGH SIERRA EDI?
HIGH SIERRA accepts EDI for 0 document types across 0 channels. Trading partners use EDI to exchange purchase orders, invoices, shipping notices, and acknowledgements with HIGH SIERRA programmatically — Stacksync handles the entire EDI exchange, validation, and translation into your ERP, WMS, or database.
Which EDI standards does HIGH SIERRA use?
HIGH SIERRA 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 HIGH SIERRA are pre-built into the Stacksync connector and validated on every outbound transaction.
Which transaction codes does HIGH SIERRA support?
HIGH SIERRA 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 HIGH SIERRA EDI integration take with Stacksync?
Most HIGH SIERRA EDI integrations go live in 3 to 10 business days. The Stacksync team handles partner enrolment, channel certification, transaction-set mapping per HIGH SIERRA'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.