---
title: "Get the document type ontology"
method: GET
path: "/v1/document-types/ontology"
tags: ["Documents"]
---

# Get the document type ontology

`GET /v1/document-types/ontology`

## Request

- Base URL: `https://api.talonic.com`
- URL: `https://api.talonic.com/v1/document-types/ontology`
- Auth: HTTP bearer

Returns the canonical category summary (categories, subcategories, and types) used by the classifier.

## Response `200`

Ontology category summary.

- object
  - `data` object[]

## Other responses

- `401`: Missing or invalid API key.
- `429`: Daily rate limit exceeded.

---

[API](https://skmtc.dev/talonic/apis/talonic-api.md) · [All operations](https://skmtc.dev/talonic/apis/talonic-api/llms.txt) · [OpenAPI document](https://skmtc.dev/talonic/apis/talonic-api/revisions/678fe5f8c9c3?raw)