Return the row-level validation errors and warnings produced during the
validating phase. Each error or warning carries the row number and
field it applies to so you can point the merchant back to their source
file.
API keys are opaque strings prefixed by environment:
ak_live_* — production keys, accepted only on api.antonpayments.com.ak_test_* — sandbox keys, accepted only on api.antonpayments.dev.Include your key in the Authorization header: Bearer ak_test_....
^bat_[a-zA-Z0-9]+$Errors and warnings keyed by row.