MockBank is sandboxing for Open Banking on a new level. The service exists, because we were frustrated at the lack of advanced testing capabilities: creating customers, creating historical data, creating new transactions, testing connectivity and more... all dead simple and within 5 minutes you can now test your PSD2/Open Banking applications. If you (like us) don’t like reading long tutorials and just want to try thing quickly just follow a few simple steps: https://app.mockbank.io/signup