The EDI 855, Decoded: The Purchase Order Acknowledgment Is Where the Order Becomes a Promise
An 855 · Purchase Order Acknowledgment is the seller's business answer to an 850 · Purchase Order: yes, no, or yes-with-changes — line by line, with…
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The EDI 997, Decoded: What a Functional Acknowledgment Actually Proves (and What It Doesn't)
The EDI 997, Decoded: What a Functional Acknowledgment Actually Proves (and What It Doesn't) A 997 · Functional Acknowledgment proves one narrow thi…
3PL EDI, Decoded: The 940, 943, 944, 945, and 947 Warehouse Family
Short answer: when you hand fulfillment to a 3PL, five X12 documents become the contract of record for your inventory: the 940 (Warehouse Shipping O…
API-First Won't Kill EDI: What APIs Can and Can't Replace in B2B
API-First Won't Kill EDI: What APIs Can and Can't Replace in B2B Short answer: APIs won't kill EDI. They'll absorb the easy half of B2B messaging —…
QuickBooks Doesn't Speak EDI: How SMBs Bridge the X12 Gap
Your accounting system and your biggest customer are not arguing. They are simply speaking different languages, and neither one is going to learn th…
Error Handling and Retries: The Part of the Integration That Actually Runs Your Business
Every integration demo ends at the happy path. The purchase order parses, the webhook returns a 200, the invoice posts, everyone goes home. Then 2 a…
The EDI 810, Decoded: What an Invoice Actually Looks Like on the Wire
Every EDI series I write eventually gets to the invoice, because the 810 is where integrations stop being an IT project and start being a money proj…
Webhook Signing Is Not Optional: How to Verify a Callback Without Breaking Your Integration
Every integration eventually gets the same 2 a.m. page: "The webhooks stopped working after the deploy." Nine times out of ten, nothing about the se…
How to validate SSCC codes, check digit algorithm, EDIFACT extraction and free API
After 18 years working with EDI and supply chain systems, I've lost count of how many times I've had to validate an SSCC, Serial Shipping Container…
Building EDIFlow - Infrastructure Layer: Parsers, Repositories & Data Packages (Part 4)
Series: Building EDIFlow - A Clean Architecture Journey in TypeScript (Part 4/6) Reading Time: ~12 minutes Recap — Where We Left Off In Part 3 , we…