# Update relationship

**PUT /api/v2/clients/{ClientGUID}/relationships**

This endpoint allows users to update an existing relationship between two clients.


## Servers
- https://api.fincalc.co.uk: https://api.fincalc.co.uk ()


## Authentication methods
- Bearer auth


## Parameters

### Path parameters
- **ClientGUID** (string(uuid))
  The GUID of the client whose relationship details you want to update.


### Body: application/json (object)

- **RelatedClientGUID** (string(uuid))
  RelatedClientGUID must be different from ClientGUID
- **RelationshipID** (integer)
  This sets the relationship the client specified by the RelatedClientGUID has to the client specified by ClientGUID.
  For example RelationshipID 3 and 4 are "Parent Child" and "Child Parent" respectively.
  RelationshipID = 3 would set RelatedClientGUID as the parent and ClientGUID as the child.
  RelationshipID  = 4 would set RelatedClientGUID as the child and ClientGUID as the parent.

  To retrieve a comprehensive list of acceptable values and their corresponding formatted values, you may make a request to the designated endpoint:
  /api/v2/clients/relationships/options
- **ExcludeFormattedValues** (string | null)
  If set to any value, formatted values will be excluded from the response.


## Responses
### 200
Success

#### Body: application/json (object)
- **success** (boolean)

- **data** (object)

- **message** (string)


### 403
Permission error.

#### Body: application/json (object)
- **success** (boolean)

- **message** (string)


### 404
Client not found.

#### Body: application/json (object)
- **success** (boolean)

- **message** (string)


### 422
Validation error.

#### Body: application/json (object)
- **success** (boolean)

- **message** (string)

- **data** (object)
  Example validation error message.


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