I was in charge of integrating TrueLayer into our app so Alma could work with real bank accounts, not just fake data. Using their secure OAuth flow, users connect their existing bank just like they would with any commercial financial app.
From there, the backend can fetch balances, show recent transactions, and initialise payments directly from the user’s account. FastAPI handles the token exchange, secure calls to TrueLayer, and converts the bank data into Alma’s simple interface.
This is what makes the ui or a voice command like “Transfer 50 euros to Maria” actually move real money in real accounts.
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