---
title: "Create a CI Relation Type"
method: POST
path: "/cis/relation-types"
tags: ["CIs"]
---

# Create a CI Relation Type

`POST /cis/relation-types`

Create a new CI relation type.

## Request body

- CreateCIRelationType
  - `relationType` string, required — Name of the direct CI relation type.
  - `oppositeRelationType` string, required — Name of the opposite CI relation type.

## Response `201`

The ID of the created CI relation type.

- CreateCIRelationTypeResponse
  - `id` integer, required — Unique ID of the created CI relation type.

## Other responses

- `400` — The request was invalid or cannot be served
- `401` — Authentication information is missing or invalid

---

[API](https://skmtc.dev/sysaid/apis/sysaid-public-api.md) · [All operations](https://skmtc.dev/sysaid/apis/sysaid-public-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/sysaid/sysaid-public-api/revisions/38a43a1b2981/schema)