> ## Documentation Index
> Fetch the complete documentation index at: /docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Update Contact Property

> Update display metadata or configuration for an existing contact property.

Update the label or description for a contact property schema via the Mailofly API.

### Path Parameters

**id** `string` *required*

The unique identifier of the contact property.

### Body Parameters

**label** `string`

The new display label.

### Response

**data** `object`

**id** `string`

The property ID.

**name** `string`

Field key name.

**label** `string`

Updated display label.

```bash cURL theme={null}
curl -X PATCH https://api.mailofly.com/contact-properties/prop_123 \
  -H "Authorization: Bearer mf_live_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "label": "Customer Plan Tier"
  }'
```

```json 200 OK theme={null}
{
  "data": {
    "id": "prop_123",
    "name": "plan_tier",
    "label": "Customer Plan Tier"
  }
}
```


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