---
title: "Update Couple Relationship"
method: POST
path: "/tree/couple-relationships/{crid}"
tags: ["Relationships: Couple"]
---

# Update Couple Relationship

`POST /tree/couple-relationships/{crid}`

Add or update specific facts attached to a couple. FamilySearch also allows you to update the persons in a couple relationship.

## Path parameters

- `crid` string, required

## Headers

- `Accept` 'application/x-fs-v1+json' | 'application/x-gedcomx-v1+json' | 'application/json' | 'application/x-fs-v1+xml' | 'application/x-gedcomx-v1+xml' | 'application/xml', required
- `Content-Type` 'application/x-fs-v1+json' | 'application/x-gedcomx-v1+json' | 'application/x-fs-v1+xml' | 'application/x-gedcomx-v1+xml', required
- `X-Reason` string

## Response `201`

The successful update contained a single conclusion. Expect the id of the conclusion in the 'Location' header.

## Other responses

- `204` — The update was successful.
- `404` — If the requested relationship is not found.
- `410` — If the requested relationship has been deleted or merged.
- `429` — The request was throttled.

---

[API](https://skmtc.net/familysearch/apis/authentication-endpoints.md) · [All operations](https://skmtc.net/familysearch/apis/authentication-endpoints/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/familysearch/authentication-endpoints/revisions/2b5020574a62/schema)