ACX

Official Amazon

ACX is Audible's audiobook marketplace for authors and rights holders that connects them with narrators and distributes finished audiobooks to Audible, Amazon and Apple Books.

Visit ACX

At a glance

Price: Free (Free to join; Audible takes a share of each sale. Narrator fees or royalty splits depend on the deal you choose.)
Platforms: Web
Outputs KDP-ready files: No
Touches your KDP account: No
Categories: Audiobooks, Official KDP & Amazon
Last checked: 2026-11-09

Summary

ACX (Audiobook Creation Exchange) lets a rights holder claim a book, hire a narrator or upload their own recording, and publish the audiobook to Audible, Amazon and Apple Books. Under Audible's new royalty model, open to all creators since May 26, 2026, exclusive distribution pays 50% and non-exclusive 30%; the older 40% / 25% model is being discontinued by the end of 2026. It is open only to residents of the US, UK, Canada and Ireland. Eligible ACX audiobooks can now be enrolled in KDP Select for Kindle+.

Best for

KDP authors in the US
UK
Canada or Ireland turning a book into an audiobook

Pros

Direct route to Audible, Amazon and Apple Books from Amazon's own audio arm
Higher royalty rates under the 2026 model than the legacy rates

Cons

Only residents of the US, UK, Canada and Ireland can sign up
Exclusive distribution limits sales to Audible, Amazon and Apple Books

Sources

Facts on this page come from the vendor and these pages. Prices change; confirm on the vendor site.

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