FynnInstall

Summary

Update Payment Method for a Fynn Customer

Inputs

• customerId (required) — UUID of the customer whose payment method to update
• paymentMethodId (required) — UUID of the payment method to assign to the customer
• requestOptions — Optional request settings (timeout, proxy, SSL verification, batching)

Output shape

object

Returns the API response confirming the update (typically the updated customer record or a success status).

Examples

Example 1: Change a customer's default payment method

Set customerId to the target customer UUID and paymentMethodId to the desired payment method UUID.