curl --request GET \
  --url https://api.valyx.com/billing/contract/feeComponent/ratecard \
  --header 'X-Valyx-Signature: <x-valyx-signature>'

{
  "error": "<string>",
  "message": "<string>",
  "data": [
    {
      "id": {},
      "contractId": {},
      "feeComponentId": {},
      "ratecardId": {},
      "tags": {},
      "createdBy": {},
      "status": {},
      "companyId": {}
    }
  ]
}