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. One flat fee covers any book of 30,000 to 600,000 words. You see your book's price after upload, before you pay.
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. Every book of 30,000 words or more is the $99 flat fee.
| Document | Typical Length | Price |
|---|---|---|
| Journal article | 8K–20K words | $12–$30 |
| Dissertation chapter | 15K–30K words | $22.50–$99 |
| Monograph | 60K–120K words | $99 |
| Edited volume | 100K–180K words | $99 |
| Textbook or casebook | 150K–350K words | $99 |
| Large anthology | 300K–600K words | $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.