| lead | {
    "id": integer,
    "first_name": string,
    "middle_name": string,
    "last_name": string,
    "last_name2": string,
    "email": string,
    "phone_country_code": string,
    "phone": string,
    "company": string,
    "address": string,
    "city": string,
    "zip": string,
    "state": string,
    "country": string,
    "date_joined": string (YYYY-mm-dd hh:mm:ss),
    "website": string,
    "ip": string,
    "ip_country": string,
    "facebook": string,
    "twitter": string,
    "linkedin": string,
    "sales_tax_id": string,
    "lead_picture": string,
    "source": string,
    "score": integer,
    "referring_id": integer, 
    "blacklisted": integer,    
    "source_id": integer,
    "gdpr_lead_status": integer,
    "gdpr_lead_status_date": string,
    "gdpr_lead_status_ip": string,
    "gdpr_lead_communications": integer,
    "lead_preferred_time_zone": string,
    "custom_fields": [
	{
	    "field_id":integer,
	    "field_identifier":string,
	    "field_type":string,
	    // In the case of input_field and text_area this will be string, else it will have the following structure:
	    "field_value":[
		{
	            "option_id":integer,
		    "option_value":string,
		},
		{
		    "option_id":integer,
		    "option_value":string,
		}
	    ]
	}
    ]
}- id: A unique numeric identifier for the lead.
 - first_name: The lead's first name.
 - middle_name: The lead's middle name.
 - last_name: The lead's last name.
 - last_name2: The lead's second last name.
 - email: The lead's email address.
 - phone_country_code: The lead's phone country code.
 - phone: The lead's phone.
 - company: The lead's company.
 - address: The lead's address.
 - city: The lead's city.
 - zip: The lead's zip.
 - state: The lead's state.
 - country: The lead's country.
 - date_joined: The date when the lead joined kartra.
 - website: The lead's website.
 - ip: The lead's IP.
 - ip_country: The lead's IP country.
 - facebook: The lead's facebook URL.
 - twitter: The lead's twitter URL.
 - linkedin: The lead's linkedin URL.
 - sales_tax_id: The lead's sales tax id.
 - lead_picture: The lead's picture URL.
 - source: The lead's creation source ('single-optin','double-optin','helpdesk','affiliate-signup','checkout','import','api','manual','checkout-first').
 - score: The lead's score.
 - referring_id: The lead's referring affiliate id.
 - blacklisted: If the lead is blacklisted or not (0/1).
 - source_id: The lead's source assed id.
 - gdpr_lead_status: The lead's GDPR status, possible values: 0 - For GDPR status off - Your account has GDPR deactivated 1 - For GDPR status not subject - The lead's IP is from a country not subject to GDPR 2 - For GDPR status accepted - The lead has accepted the GDPR terms 3 - For GDPR status not accepted - The lead hasn't accepted the GDPR terms 4 - For GDPR status unknown - The lead's location could not be determined 5 - For GDPR status pending 
 - gdpr_lead_status_date: The date of the last GDPR status change
 - gdpr_lead_status_ip: The IP of the last GDPR status change
 - gdpr_lead_communications: 0 - if the user has agreed to be contacted, 1 - if not
 - lead_preferred_time_zone: The lead's preferred time zone.
 - custom fields:
 - field_id - the unique id reference (integer)
 - field_identifier - the unique identifier chosen when it was created (string)
 - field_type - the field type (string with the following values: input_field, text_area, drop_down, radio_button, checkbox)
 - field_value - the value saved for the particular lead. In the case of input_field and text_area this will be string, if not it will be an array. In the case of checkboxes the values can have multiple values:
 
 
  [
	{
		"option_id":1, // the unique id reference (integer)
		"option_value":"red", // option value (string)
	},
	{
		"option_id":integer,
		"option_value":string,
	}
]
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