Changes to Initiate a payment for an embedded flow using payment_token (query or body) and selected bank

the request's body type changed from object to no type

the error/code response's property type changed from string to no type for status 400

removed the request property bankId

removed the request property paymentScheme

removed the optional property error/errors from the response with the 400 status

added subschema #1 subschema #2 to the request body anyOf list

added the optional property error/metadata to the response with the 400 status

added subschema #1 subschema #2 to the error/code response property allOf list for the response status 400

endpoint added

api path removed without deprecation