Why do I only see Natwest on the Payments Sandbox? Follow Joao Last updated March 04, 2020 15:29 Natwest is the only bank currently available in the Sandbox at the moment. More banks will be added in the future. Related articles What are the NatWest credentials to initiate payments on Sandbox? How do I test a payment in the Sandbox? Can production data be accessed in the Sandbox? Which banks and PSPs are supported in the Data API in the UK? 🇬🇧 Which countries is TrueLayer currently in? Comments 0 comments Please sign in to leave a comment.