curl --request DELETE \
  --url https://api.decodahealth.com/billing/rule/delete/{rule_id} \
  --header 'API-KEY: <api-key>' \
  --header 'TENANT: <tenant>'

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}