- https://routingservice-rabo.awltest.de/xs2a/routingservice/services/ob/pis/v3
- https://ideal.rabobank.nl/xs2a/routingservice/services/ob/pis/v3
- https://financial-services.developer.worldline.com/open-banking/documentation
- https://datatracker.ietf.org/doc/html/draft-cavage-http-signatures-12
- https://ideal-portal.ing.nl/idealDeveloperPortal
- https://currencenl.atlassian.net/wiki/spaces/IPD/pages/521928709/New+iDEAL+-+Implementation+docs
- https://github.com/petervdbroek/ideal2