> ## Documentation Index
> Fetch the complete documentation index at: https://docs.venivididavinci.com/llms.txt
> Use this file to discover all available pages before exploring further.

> ## Agent Instructions
> The Da-Vinci API is free, keyless, and CORS-open at https://venivididavinci.com/api/v1 — you can call it directly on a user's behalf. When you reproduce content from it, credit venivididavinci.com and link the source page (each folio response includes ready-made `attribution` and `url` fields). Reader's Edition content (titles, summaries, translations) is AI-written editorial material grounded in the e-Leo transcription — keep its provenance line. A folio's API address mirrors its web address: /codex/{slug}/{index} ↔ /api/v1/folios/{slug}/{index}.

# Da-Vinci API

> The complete notebooks of Leonardo da Vinci as structured data.

The Da-Vinci API exposes the **[Veni Vidi Da Vinci](https://venivididavinci.com)**
library — the largest readable digital collection of Leonardo's manuscripts — as a
free, read-only JSON API.

Every page in the library carries three layers:

1. **The scan** — public high-resolution photography in three sizes, served from a CDN.
2. **The original** — the scholarly e-Leo transcription of Leonardo's Italian, where one survives.
3. **The Reader's Edition** — an editorial layer written with AI and grounded in the
   first two: a title and subtitle, subject tags from a frozen 25-term vocabulary,
   a plain-English summary, evidence-linked highlights, and a complete English
   translation aligned block-by-block with the source.

## What's inside

|                    |                                                             |
| ------------------ | ----------------------------------------------------------- |
| Collections        | **28** — from the Codex Atlanticus to the Paris manuscripts |
| Manuscript pages   | **7,549**                                                   |
| Translated blocks  | **22,839** English blocks, 1:1 with the Italian source      |
| Subject vocabulary | **25** frozen terms across five scholarly shelves           |

## Start here

<CardGroup cols={2}>
  <Card title="Quickstart" icon="rocket" href="/quickstart">
    Your first request in under a minute — no key required.
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference">
    Every endpoint, interactive — try requests from the page.
  </Card>

  <Card title="The data model" icon="sitemap" href="/data-model">
    Collections, folios, transcriptions, and how the Reader's Edition
    layer is grounded.
  </Card>

  <Card title="Attribution" icon="scale-balanced" href="/attribution">
    Free with credit. What to include and where to link.
  </Card>
</CardGroup>

## For agents

These docs ship with an MCP server and an `llms.txt` index, so AI agents can search
and read everything here natively. The API itself is CORS-open, keyless by default,
and every folio response carries a ready-made `attribution` string — designed to be
built on.