OK long story short, I suspect Fintech banks such as Wirex and Revolut will soon be running their API calls through the chainlink network. Plus smart contracts. Their entire business model and services scream API's and smart contracts.
Wirex is PSD2 integrated Fintech bank. Payment processing on behalf of Visa (confirmed license through Contis Group ltd)
excerpt from wirex site >You can top up the currency account in the following ways:
-using SWIFT (currently, this works only for GBP but it will be added for EUR soon) -Faster Payments Service (works within the UK)
Now look at Faster payments documentation especially the logo in top left corner....
Accenture, we all know Accentures connection to LINK. >pic related is grab of last page of .pdf below.