get https://gateway.stage.bill.com/connect/v3/network/invitation/customer/
Get the status of an existing invitation sent with POST /v3/network/invitation/customer/{customerId}. When the customer accepts the invitation, your organization is connected with the customer.
Note: If the invited customer does not respond to an invitation for 60 days, the invitation expires.
See BILL network in the Guides section for more information, sample requests, and responses.