curl --request PUT \
  --url https://synthesis.trade/api/v1/wallet/pol/{wallet_id}/order/{order_id} \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "type": "<string>",
  "price": "<string>",
  "shares": "<string>"
}
'

{
  "success": true,
  "response": {
    "order_id": "..."
  }
}