curl --request GET \
  --url https://api.dev.monei.cc/api/v1/bills/discovery/biller-items/{category}/{billerName} \
  --header 'X-API-KEY: <api-key>'

{
  "statusCode": 123,
  "message": "<string>",
  "data": [
    {
      "id": 17148,
      "biller_code": "BIL102",
      "name": "GLO VTU",
      "default_commission": 0.03,
      "date_added": "2022-09-19T18:27:55.327Z",
      "country": "NG",
      "is_airtime": true,
      "biller_name": "GLO VTU",
      "item_code": "AT133",
      "short_name": "GLO VTU",
      "fee": 0,
      "commission_on_fee": false,
      "reg_expression": "^[+]{1}[0-9]+$",
      "label_name": "Mobile Number",
      "amount": 0,
      "is_resolvable": true,
      "group_name": "Airtime",
      "category_name": "Airtime",
      "is_data": null,
      "default_commission_on_amount": 0.03,
      "commission_on_fee_or_amount": 2,
      "validity_period": null
    }
  ],
  "errors": {}
}