Specifiction
For vendors
AdvertiseTop spots, featured rows, home sponsor Get listedAdd a product we don't cover yet Claim a listingFree: verify the domain, then correct your page Vendor dashboardNumbers, orders and placements
List your tool
Vendor dashboard
Tech riderRev. 7 Oct 2026

Book-to-audiobook API

Ch 216.1of 24 AI audiobook generators
  1. 1Runs onAPI, Web
  2. 2CostsNot stated by the maker
  3. 3Chapter handlingYes
  4. 4Audiobook exportYes
  5. 5Voice cloningYes
  6. 6Voice languages602 languages
5 lines stated Written from the maker's own pages: sats4ai.com
Visit site Alternatives
The Book-to-audiobook API homepage

Overview

Book-to-audiobook API is ranked #21 of 24 in AI audiobook generators on Specifiction. It runs on API, Web. There is no free plan.

Book-to-audiobook API plans and pricing

All plans
Pay per audiobook Not published from 500 sats · priced per character · quote shown before generation EPUB, PDF, or TXT · up to 50 MB · three quality tiers sats4ai.com · 7 Oct 2026

Compared on AI audiobook generators

Free plan
Nosats4ai.com
Chapter handling
Yessats4ai.com
Audiobook export
Yessats4ai.com
Voice cloning
Yessats4ai.com
Voice languages
602 languagessats4ai.com

Facts

Book conversion
The service turns EPUB, PDF, or TXT files into chaptered M4B audiobooks.sats4ai.com · 7 Oct 2026
Language coverage
The product page says audiobooks can be narrated in 602 languages.sats4ai.com · 7 Oct 2026
Voice options
Users choose among three quality tiers and select a voice before generation.sats4ai.com · 7 Oct 2026
Chapter markers
Completed audiobooks are downloadable as M4B files with chapter markers.sats4ai.com · 7 Oct 2026
File handling
Uploaded files are kept for 72 hours to address conversion faults, then deleted.sats4ai.com · 7 Oct 2026
Input limits
The upload form accepts EPUB, PDF, or TXT files up to 50 MB and recommends EPUB because PDF and TXT results vary.sats4ai.com · 7 Oct 2026
Payment and access
The service charges per use in Bitcoin Lightning sats and requires no account or card.sats4ai.com · 7 Oct 2026
Developer integrations
Sats4AI documents L402 over HTTP, MCP, and WebLN as integration options for its services.sats4ai.com · 7 Oct 2026
API job handling
Audiobook jobs run asynchronously and can be checked through a status URL or an optional callback webhook.sats4ai.com · 7 Oct 2026
Privacy
Sats4AI says it does not create customer accounts or sell usage data, and describes keeping operational records needed to deliver and protect the service.sats4ai.com · 7 Oct 2026
Support
The company says it can be reached through its contact page and Nostr.sats4ai.com · 7 Oct 2026

Best Book-to-audiobook API alternatives

See all 20
All accessCh 01 AudioBookByMe Free planFree trialWeb from $19.99/mo7.3 All accessCh 02 BookFoundry AndroidAPI 7.2 All accessCh 03 Narrated Novels Free planFree trialAPI from $29/mo7.2 All accessCh 04 Vox9 Free planAndroidiOS Free to start7.2 All accessCh 05 AudioPod AI Free planAPIiOS from $20/mo7.1 All accessCh 06 AuthorVoices Free trialWeb from $49/mo7.0

Where it ranks on Specifiction

Is Book-to-audiobook API yours?

Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.

Claim it free Promote Book-to-audiobook API

Sources