Reference
Everything, by subject
Eight sections. Each one is built out a page at a time, from the public standards, and corrected when I learn I got something wrong.
ErrorsReject codes, acknowledgement failures and interchange problems, decoded. What the code means, what causes it, and how to fix it.1 pageX12ANSI X12 transaction sets, segments, qualifiers and the implementation details the introductory pages skip.Nothing published yetEDIFACTUN/EDIFACT messages, the X12 crosswalk, and what changes when you cross the Atlantic.1 pageTrading partnersRetailer and carrier requirements as published, onboarding sequences, and what tends to trigger chargebacks.Nothing published yetPlatformsSterling, Gentran, Axway B2Bi, Cleo, Boomi and the rest. Mapping, debugging and migration, from their public documentation.Nothing published yetConnectivityAS2, SFTP, VANs and API bridges. Certificates, MDNs, and the handshake failures that look like nothing is wrong.Nothing published yetComplianceE-invoicing mandates, ViDA, Peppol and EN 16931, plus the X12 release cycle. What changes, when, and what it means for existing EDI flows.Nothing published yetFundamentalsWhat EDI actually is, how an interchange is put together, and how a transaction moves. For people starting where I started.Nothing published yet