post https://prod.api.getborderless.com/externalContact
Introduction
This endpoint is used to add an external Contact via the borderless™ API. This is a POST request that takes in body parameters noted below. These vary per country so please use the required information endpoint to confirm what data is required for your specific Contact's country.
Data Requirements
Provide the following data requirements when sending a POST request to the External Contact endpoint. See schema for required and optional parameters.