Error cases

Malformatted value (400)

Generic error for all fields and custom fields values types

{
    "status": 400,
    "errors": [
        {
            "error_key": "price",
            "error": "wrong_type",
            "error_description": "This value should be of type numeric."
        }
    ]
}

{
    "status": 400,
    "errors": [
        {
            "error_key": "custom_fields[0].value",
            "error": "wrong_type",
            "error_description": "This value should be of type string."
        }
    ]
}

Product external_id already exist (400)

{
    "status": 400,
    "errors": [
        {
            "error_key": "external_id",
            "error": "already_exists",
            "error_description": "Another product already exists with external_id test."
        }
    ]
}

Custom field does not exist (400)

{
    "status": 400,
    "errors": [
        {
            "error_key": "custom_fields",
            "error": "wrong_value",
            "error_description": "Custom field not found for id 99."
        }
    ]
}