SNB Dummy API - SOAP 1.1

  Endpoint       POST https://snb-api.digiarenas.com/ECMService
  WSDL           GET  https://snb-api.digiarenas.com/ECMService?wsdl
  Content-Type   text/xml; charset=utf-8
  SOAPAction     "http://snb.com.sa/ecm/{operation}"
  Authorization  none

Raw flat-file downloads (not SOAP - the bytes, without the base64):

  GET  /api/statements/{10, 100, 1k, 10k, 50k, 100k, 1m, reference}
  GET  /api/statements/{size}/unterminated
  GET  /api/statements/generate?lines=1000&accountNumber=
  GET  /api/accounts/{accountId|accountNumber}/statement?lines=
  GET  /api/accounts/{account}/statement/large (STMTRDIA100K.190726)

Statement XML export (JSON, not SOAP - split into files and delivered to the store in the background):

  POST /api/statements/xml  {"statementLength": 1000, "fileSize": 5}  -> 202 {requestId, folder, files[]}
       store: C:\DataMart-Store

Diagnostics (JSON, not SOAP - test aids, not part of the contract):

  GET  /health        /mtls-echo        /mtls-probe        /oauth-probe

Mock ADFS (a test IdP standing in for SNB's - never evidence about the real one):

  GET  /adfs/.well-known/openid-configuration    GET  /adfs/discovery/keys
  POST /adfs/oauth2/token

Operations (8):

  accountStatementRequest
  createRequest
  getAccountRequest
  getCustomerRequest
  getTransactionsRequest
  retrieveRequest
  statementFileListRequest
  statementFileRequest