Add subscription to existing customer

You can use this API to add a subscription to an existing customer. As each customer can only have one plan, the customer must not have any other plans associated with their account when you use this.

Returned variables

Variable nameDescription
customerUniqueIdThe unique identifier of the customer in the Billsby platform
subscriptionUniqueIdThe unique identifier of the subscription in the Billsby platform
Language
Authentication
Header
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