curl --request PUT \
  --url https://api.agentixx.io/api/agents/{id} \
  --header 'Content-Type: application/json' \
  --header 'x-tenant-id: <api-key>' \
  --cookie better-auth.session_token= \
  --data '
{
  "name": "Updated Support Agent",
  "instructions": "Be concise and helpful."
}
'

{}