EPUB Validator & Publishing Preflight API

Validate EPUB files before publishing with one agent-friendly API call. Runs native structural QA, EPUBCheck 5.3.0 and DAISY Ace 1.4.6, returns structured release decisions, root causes and next actions, and can apply deterministic safe fixes. From $0.01; full preflight $0.05.

Publisher description, verbatim
Last 7 dayson this actor

No changes seen in the last 7 days.

The morning one happens, followers hear first.Follow this actor
Key figures11 readings
Price / 1k$50.00per 1,000 full-preflight
Users / 30d1↑ 1 over 11 readings
Users, all time2↑ 1 over 11 readings
Runs / 30d9↑ 8 over 9 readings
Runs / user / mo9.00runs per monthly user
Users / 30d11 readings
08-29↑ 109-08

Recorded changes

showing 3 of 5 in the last 30 days · followers get all 5 by email
  • 2026-08-30schemaInput schema changedon record
  • 2026-08-30contentREADME updated+750 characters+750characters
  • 2026-08-30changeTitle changedon record

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