Initialize

This is the API Key you generated from Upmarket.

client_customer_id is the unique identifier for a customer in the source system. Some examples of good client_customer_ids are user uids, an account ids, or customer ids.

journey_id of the Upmarket journey the customer is associated with.

customer_type the type of customer, either ‘account’ or ‘contact’

customer_name the name of the customer

A successful request will return a customer_id