---
title: "Assign a relationship kind to an entity kind"
method: POST
path: "/api/rest/v1/kind-relationship-assignments"
tags: ["Kind Relationship Assignments"]
---

# Assign a relationship kind to an entity kind

`POST /api/rest/v1/kind-relationship-assignments`

## Request

- Base URL: `https://app.componecat.ai`
- URL: `https://app.componecat.ai/api/rest/v1/kind-relationship-assignments`
- Auth: none required

## Request body

- CreateKindRelationshipAssignmentRequest: Create kind–relationship assignment request body.
  - `kindId` string, uuid, required
  - `relationshipKindId` string, uuid, required
  - `allowAsSource` boolean
  - `allowAsTarget` boolean
  - `displayOrder` union
    - integer
    - string, int32

## Response `201`

Created

- RestApiResponseOfKindRelationshipAssignmentItem: Standard REST API response envelope for a single resource.
  - `data` KindRelationshipAssignmentItem, required: Kind–relationship assignment item for list and create responses.
    - `kindId` string, uuid, required
    - `relationshipKindId` string, uuid, required
    - `allowAsSource` boolean, required
    - `allowAsTarget` boolean, required
    - `displayOrder` union, required
      - integer
      - string, int32

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `422`: Unprocessable Entity
- `429`: Too Many Requests

---

[API](https://skmtc.dev/componecat/apis/componecat-rest-api.md) · [All operations](https://skmtc.dev/componecat/apis/componecat-rest-api/llms.txt) · [OpenAPI document](https://skmtc.dev/componecat/apis/componecat-rest-api/revisions/6c53d4984720?raw)