You can currently integrate current accounts held with Raiffeisen, POST, Banque de Luxembourg, Banque BCP, ING, BIL, BGL, Revolut, N26, Argenta, AXA, Belfius, BeObank, BPost, BNP Paribas Fortis, ING Belgium, KBC and Paypal.
Other banks will be added in the next few months.