---
title: "Create a contact relation"
method: POST
path: "/contacts/{contactId}/relations"
tags: ["Contacts"]
---

# Create a contact relation

`POST /contacts/{contactId}/relations`

Creates a relation for a specified contact.

## Path parameters

- `contactId` string, required

## Request body

- ContactRelationDto
  - `relatedContactId` string, nullable — Unique identifier of the related contact.
  - `businessRole` string, nullable — Business role of related contact. Only applicable for companies (not trusts).

## Response `202`

When request is accepted. Returns a 'Link' object.

- Link
  - `id` string, nullable
  - `href` string, nullable
  - `relation` string, nullable
  - `method` string, nullable

## Other responses

- `400` — When related contact id is not provided.
- `403` — When contact with specified id is not associated with authenticated client.
- `404` — When contact with specified id does not exist.

---

[API](https://skmtc.net/smokeball/apis/api.md) · [All operations](https://skmtc.net/smokeball/apis/api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/smokeball/api/revisions/ffc7fffa0d5c/schema)