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Merchant not allowed to carry out transaction type CUSTOMERPAYBILLONLINE
  Hi there,   My application on Customer Pay BillSTK Push was approved on production. I tried testing on Prod but keep getting the error message below;   {      "requestId":"25794-1065576-1",    "errorCode":"500.001.1001",    "errorMessage":"[MerchantValidate] - Merchant not allowed to carry out transaction type CUSTOMERPAYBILLONLINE" }   Question, where do I get the Lipa Na M-Pesa Online Passkey? I suspect it is the cause.   Kindly advice