1 POST endpoint, accepts JSON (example).
Can be requested with some HTTP client (Postman, ...).
Converts incoming payload to the format that the Bank API understands.
Posts the converted JSON to the Bank API.
Converts Bank API response to the HTTP client response:
200 or 400 HTTP code, id {}, status {}
Use gradle build
to build *.jar
Run it with Bank API *.jar and enjoy!