This endpoint will return the customer profile data stored in Rejoiner. You can use either the Rejoiner Customer ID or the customer's email address.

GET /customers/CUSTOMER_ID/
GET /customers/EMAIL/
{
    "id": "foobar",
    "email": "[email protected]",
    "first_name": "Madonna",
    "last_name": "Lewis",
    "phone": "",
    "timezone": "",
    "age": 49,
    "gender": "",
    "language": "",
    "address1": "1505 Dogwood Lane",
    "address2": "",
    "address3": "",
    "city": "Tucson",
    "state": "AZ",
    "postal_code": "85705",
    "country": "US",
    "birthdate":"1969-10-26",
    "tags": [
      "foo",
      "bar"
    ],
    "is_unsubscribed": false,
    "unsubscribe_date": null,
    "is_opted_in": true,
    "opt_in_date":"2018-05-25T05:35:31.803626",
    "opt_in_info":{},
    "metadata": {
        "foo": "bar"
    }
}