post https://{cluster}.voucherify.io/v1/referrals//members//holders
Adds new holders to a referral code as referees. The data sent in the request is upserted into the customer data.
If the request returns an error even for one customer, you have to resend the whole request. Customer data is upserted if the data for all customers is correct.
To use this endpoint, you must have the following permissions:
- Create and modify Customers and Segments (
customers.modify) - Publish Voucher (
vouchers.publish)