Example request

curl --location 'https://eu.api.capillarytech.com/v1.1/customer/preferences?format=json' \
--header 'Accept: application/json' \
--header 'Content-Type: application/json' \
--header 'accept: application/json' \
--data-raw '{
    "root": {
        "customer": [
            {
                "mobile": "7744876415",
                "email": "rutuja.hatwar@capillarytech.com",
                
                
                "store": {
                    "code": "doc123",
                    "id": "75152715"
                } 
               
            }
        ]
    }
}'

Request Body Parameters

Field	Type	Required	Description
root	object	Yes	Root object containing customer data.
customer	array	Yes	Array of customer objects. At least one customer object is required.
mobile	string	Conditional	Customer's mobile number. Conditionally required Customer's mobile number. At least one identifier among mobile, email, external_id, or user_id should be provided.
email	string	Conditional	Customer's email address.
external_id	string	Conditional	External identifier for the customer (optional).
user_id	string	Conditional	Unique user ID for the customer (optional).
store	object	Optional	Store details object.
-- code	string	Optional	Store code to which the customer belongs.
-- id	string	Optional	Store ID. Unique identifier for the store associated with the customer. Pass the internal store ID configured in your system.
custom_fields	object	Optional	Object containing custom field data (optional).
-- field	array	Optional	Array of custom field objects. Each defines additional attribute information.
--- name	string	Yes	Name of the custom field. (if custom_fields.field provided) Preference/attribute name (e.g., "Favorite Brand").
--- value	string	Yes	Value for the custom field. Write string values directly (e.g., `"Blue"`) or pass JSON array as a string if multiple values are needed (e.g., `"[\"puma\", \"nike\"]"`). (if custom_fields.field provided) Preference/attribute value can be a simple string or a serialized list (e.g., `["puma"])`.

Example response

{
    "response": {
        "status": {
            "success": "false",
            "code": 500,
            "message": "All requests have failed due to errors"
        },
        "customer": [
            {
                "mobile": "917744876415",
                "email": "rutuja.hatwar@capillarytech.com",
                "external_id": "",
                "store": {
                    "status": "SUCCESS",
                    "id": "75152715",
                    "code": "doc123",
                    "name": "DocStore"
                },
                "custom_fields": {
                    "field": []
                },
                "item_status": {
                    "success": "false",
                    "code": 999999,
                    "message": "",
                    "warnings": {}
                }
            }
        ]
    }
}

API Specific Error Code

Error Code	Description	Reason
999999	Unexpected server error.	Returned when an unhandled or unknown error occurs during request processing. Used as a fallback for unexpected failures.
400	Bad request.	Triggered when required fields are missing or request body is malformed.
401	Unauthorized.	Authentication failed or missing authorization header.
403	Forbidden.	User does not have permission to perform this operation.
404	Customer not found.	Passed identifier (e.g., mobile, email) does not match any customer record.
409	Conflict.	Duplicate or conflicting data detected in the request.
422	Unprocessable entity.	Input is semantically incorrect (e.g., invalid email format, unsupported store code).
500	Internal server error.	Server encountered an error while processing the request.

200200

400400