Pricing
One flat fee per book. No subscriptions. Pay once per project.
Standard
Standard intelligence — the complete professional indexing engine.
- Full AI-generated index in 1–2 hours
- Whole-book curation
- CMOS-compliant formatting
- Subentries, cross-references, and syntheses
- Interactive editor with graph + table views
- Export to Word, RTF, LaTeX, CSV, CDXF
- Unlimited editing after generation
Professional
Strong intelligence — deeper judgment on every curation decision. What publishers choose.
- Everything in Standard
- Stronger reasoning engine on every curation decision
- Sharper term selection, merging, and hierarchy
Studio
Strongest intelligence — our most capable engine on every judgment call.
- Everything in Professional
- Our most capable engine on every judgment call
- For flagship titles and demanding scholarly work
Every tier runs the same complete indexing pipeline — higher tiers apply a stronger reasoning engine to every judgment call. Flat fee covers any book up to ~1,500 pages.
Tokens
For shorter documents, or to offset the cost of a book project.
- Index a chapter or article before committing
- Pre-purchase tokens to discount a book project
- No minimum purchase — tokens never expire
- Same features as flat-fee projects
Developer API
Programmatic access to the Indexia pipeline. Generate indexes at scale, integrate into your publishing workflow.
- REST API with API key auth
- Create projects, retrieve terms & syntheses
- Export to Word, RTF, LaTeX, CSV, CDXF
- Same token pricing as the web app
Example costs
Standard tier pricing. Almost every book falls under the $99 flat fee.
| Document | Approx. Pages | Price |
|---|---|---|
| Journal article | 15–30 | $15–$45 |
| Dissertation chapter | 40–80 | $60–$99 |
| Monograph | 200–350 | $99 |
| Edited volume | 300–500 | $99 |
| Textbook | 400–800 | $99 |
| Large anthology | 800–1,500 | $99 |
Satisfaction guarantee
If you're not satisfied with your index, contact us for a full refund. We charge your card only after your project is configured and you confirm. Refund requests must be made before exporting the index to Word or other formats.