Use Case for Creating a Customer from an External ID
Use the PUT command to create a customer using an external ID.
PUT {{REST_SERVICES}}/record/v1/customer/eid:{{customerExternalId}}
{
"companyName": "New Company External Id {{$timestamp}}",
"email": "customer@example.com",
"location" : "1"
}
For more information about using external IDs Using External IDs.