Only if a club has the merchant module, and in System Configuration the “Enable online competition purse topup via debit credit card” setting is enabled.
Alternatively, if not using the merchant module, purses can be topped up by admin from the Users page by clicking Purse Top Up.
See related article:
https://help.brsgolf.com/hc/en-us/articles/360001526573-Top-up-an-account