When accessing the v3.1 GET accounts/account-id/balances endpoint we are receiving balances without an OBReadBalance1/Data/Balance/Amount/Amount field. This appears to only be affecting balances with an "InterimAvailable" type.
Example payload (note: other fields omitted for brevity):
Some sample x-fapi-interaction-ids for responses we are seeing this occur on:
We are receiving non-spec compliant payloads which is causing issues when attempting to parse responses.
Critical impact – we are unable to collect InterimAvailable balance data for all Santander customers.