curl --request PUT \
  --url https://prod.featherhq.com/api/v1/phone-number/outbound/{id}/dispatch-rule \
  --header 'Content-Type: application/json' \
  --header 'X-API-Key: <api-key>' \
  --data '
{
  "agentIds": [
    "<string>"
  ]
}
'

{
  "success": true,
  "displayMessage": "<string>",
  "agentIds": [
    "<string>"
  ]
}