bankStatement requires an access token as an authorization bearer. use withTokenB2b to use bankStatement method.
<?php
use Otnansirk\SnapBI\Services\SnapBi;
...
$response = SnapBi::bca()
->withTokenB2b()
->bankStatement(
"2023-08-22T00:00:00+07:00",
"2023-08-22T00:00:00+07:00"
);