---
title: "Changes to Download a collection's ontology as JSON"
method: GET
path: "/api/v0/knowledge-bases/{kb_id}/graph/ontology"
---

# Changes to Download a collection's ontology as JSON

`GET /api/v0/knowledge-bases/{kb_id}/graph/ontology`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 11 revisions.

- **2026-11-09** `ecd5b922e78a`: 6 info
- **2026-10-26** `07854361a13b`: 1 breaking, 3 info
- **2026-10-23** `a982f74233e9`: 1 info

## Changes

- **2026-11-09** `ecd5b922e78a`: 6 info
  - added the optional property `entity_types/items/attribute_fields/items/instant` to the response with the `200` status
  - added the optional property `packages/anyOf[subschema #1]/items/entity_types/items/attribute_fields/items/instant` to the response with the `200` status
  - added the optional property `packages/anyOf[subschema #1]/items/relationship_types/items/attribute_fields/items/instant` to the response with the `200` status
  - added the optional property `packages/anyOf[subschema #1]/items/relationship_types/items/symmetric` to the response with the `200` status
  - added the optional property `relationship_types/items/attribute_fields/items/instant` to the response with the `200` status
  - added the optional property `relationship_types/items/symmetric` to the response with the `200` status
- **2026-10-26** `07854361a13b`: 1 breaking, 3 info
  - response property `packages` list-of-types was widened by adding types `null` to media type `application/json` of response `200`
  - added the optional property `entity_types/items/attribute_fields/items/label` to the response with the `200` status
  - added the optional property `entity_types/items/derived_properties/items/label` to the response with the `200` status
  - added the optional property `relationship_types/items/attribute_fields/items/label` to the response with the `200` status
- **2026-10-23** `a982f74233e9`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/outerport/apis/outerport-api/docs/api/v0/knowledge-bases/:kb_id/graph/ontology/get.md) - [API](https://skmtc.dev/outerport/apis/outerport-api.md) - [Page](https://skmtc.dev/outerport/apis/outerport-api/changes/api/v0/knowledge-bases/:kb_id/graph/ontology/get)