ContactsManage contacts (phone numbers and emails)List contactsGET /contactsCreate contactPOST /contactsGet contactGET /contacts/{contactId}Update contactPATCH /contacts/{contactId}Delete contactDELETE /contacts/{contactId}Get contact capabilitiesGET /contacts/{contactId}/capabilitiesList contact tagsGET /contacts/{contactId}/tagsAdd contact tagsPOST /contacts/{contactId}/tagsRemove contact tagDELETE /contacts/{contactId}/tags/{tag}