---
title: "List nodes in a KG"
method: GET
path: "/api/v0/knowledge-graphs/{kg_id}/nodes"
tags: ["Knowledge Graphs"]
---

# List nodes in a KG

`GET /api/v0/knowledge-graphs/{kg_id}/nodes`

All nodes in the KG, optionally narrowed to a tier ('representation' | 'domain') and/or a type_id.

## Path parameters

- `kg_id` string, uuid, required

## Query parameters

- `tier` 'representation' | 'domain', nullable — Narrow to one ontology tier.
- `type_id` string, nullable — Narrow to one entity type id.

## Response `200`

Successful Response

- NodeResponse[]
  - `id` string, uuid, required
  - `knowledge_graph_id` string, uuid, required
  - `tier` 'representation' | 'domain', required
  - `type_id` string, required
  - `name` string, required
  - `attributes` object, required
  - `derived` object
  - `selector` object, nullable
  - `confidence` number, nullable
  - `source` string, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/outerport/apis/outerport-api.md) · [All operations](https://skmtc.dev/outerport/apis/outerport-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/outerport/outerport-api/revisions/f565b46daaea/schema)