# 400 error - invalid parameter
source: https://developer.mastercard.com/automatic-billing-updater/documentation/code-samples/httpstatus400-invalid-parameter/index.md

```json
{
   "Errors":{
      "Error":[
         {
            "Source":"Validation",
            "ReasonCode":"SYSTEM_ERROR",
            "Description":"Invalid value for parameter",
            "Recoverable":false,
            "Details":"Invalid Params"
         }
      ]
   }
}
```