I had implemented paypal vault api in USA based business account. It was working perfectly till day before yesterday. But from yesterday it is not taking credit card authorization or sale. It is generating the VALIDATION_ERROR in the field payer.funding_instruments.credit_card_token.external_customer_id
and shows the error "This field name is not defined for this resource type".
I am sending email id of the cusomer on the field. Now if I remove the filed external_customer_id form funding instrument, it works fine.
Since it was working before with the field, I want to know if there has been any change in paypal vault api input which I am not aware of. Can anybody help me on the issue?
Thanks in advance.
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