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

```json
{
   "Errors":{
      "Error":[
         {
            "Source":"System",
            "ReasonCode":"INVALID_INPUT_FORMAT",
            "Description":"Invalid characters",
            "Recoverable":false,
            "Details":"Bad Request"
         }
      ]
   }
}
```