post
https://{corename}.payment-hub.{env}.gpsrv.com/payment-hub/1.0/validateExternalAccountLink
Use the Validate External Account Link endpoint to submit microdeposit amounts for a pending external account link using microdeposit validation. The request compares the submitted amounts against the stored values and returns the updated link and validation status.
Status codes
See Global Response Statuses for status codes that are common across endpoints.

