ONIX Guides
Practical resources on ONIX for Books, validation, and book metadata — written for publishing editors and metadata managers.
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Use the free ONIX validator- What Is ONIX? A Beginner's Guide for Publishers
ONIX is the publishing industry's standard XML format for sharing book metadata. Learn what it is, who uses it, and why validation matters.
2026-08-01 · Editorial Team
- Why Your Book Metadata Matters for Amazon and Ingram
How title, contributor, pricing, rights, and format metadata shape book discovery and product pages at retailers like Amazon and distributors like Ingram.
2026-08-01 · Editorial Team
- ONIX 3.0 Validation Guide: Common Errors and How to Fix Them
What validation checks in an ONIX 3.0 file, the five errors publishers hit most—element order, missing elements, code lists, ISBNs, prices—and how to fix each.
2026-08-01 · Editorial Team