---
title: "POST /api/admin/relationship-types/"
method: POST
path: "/api/admin/relationship-types/"
tags: ["Administration/Relationship Types"]
---

# POST /api/admin/relationship-types/

`POST /api/admin/relationship-types/`

## Request

- Base URL: `https://api.retraced.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.retraced.com/api/admin/relationship-types/`
- Auth: none declared

Creates a relationship type. 409 `relationship_types_already_exist` when the name is taken.

## Request body

- object
  - `name` string, required

## Response `201`

Default Response

- object
  - `id` string, required
  - `name` string, required
  - `createdAt` string, date-time, nullable, required
  - `updatedAt` string, date-time, nullable, required
  - `updatedByUserName` string, nullable, required
  - `updatedByCompanyName` string, nullable, required

## Other responses

- `400`: Default Response
- `401`: Default Response
- `403`: Default Response
- `409`: Default Response

## Changes

> 108 revisions in range; 2 not diffed.

- **2026-10-01** `5850ee6f0c2d`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/retraced/apis/api-reference/changes/api/admin/relationship-types/post.md)

---

[API](https://skmtc.dev/retraced/apis/api-reference.md) - [All operations](https://skmtc.dev/retraced/apis/api-reference/llms.txt) - [OpenAPI document](https://skmtc.dev/retraced/apis/api-reference/revisions/83309c4abd20?raw)