Update subscriber's custom attributes

Update the custom attributes of an SMS subscriber identified by phone number. Only the custom attributes included in the request are modified; attributes that are not provided remain unchanged.

patch

Authorizations

X-Recart-API-KeystringRequired

It can be obtained in Recart account after contacting Support

Query parameters

phoneNumberstringRequired

Phone number of the subscriber

Body

Responses

204

No content

No content

4XX

HTTP Error response

application/vnd.api+json

5XX

HTTP Error response

application/vnd.api+json

patch/subscribers

PATCH /app-integrations/2023-12/subscribers?phoneNumber=text HTTP/1.1
Host: api.recart.com
X-Recart-API-Key: YOUR_API_KEY
Content-Type: application/vnd.api+json
Accept: */*
Content-Length: 199

{
  "data": {
    "type": "subscribers",
    "attributes": {
      "customAttributes": {
        "loyalty_tier": "gold",
        "lifetime_orders": 7,
        "vip": true,
        "last_review_at": "2026-06-01T10:00:00Z",
        "favorite_categories": [
          "shoes",
          "bags"
        ]
      }
    }
  }
}

No content