curl --request POST \
  --url https://api.unitedmarket.ai/orders/cancel-many \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "orderHashes": [
    "<string>"
  ],
  "account": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({orderHashes: ['<string>'], account: '<string>'})
};

fetch('https://api.unitedmarket.ai/orders/cancel-many', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.unitedmarket.ai/orders/cancel-many"

payload = {
    "orderHashes": ["<string>"],
    "account": "<string>"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "cancelled": 1,
  "orderHashes": [
    "<string>"
  ],
  "failed": [
    {
      "orderHash": "<string>",
      "error": "<string>"
    }
  ]
}

{
  "message": "<string>",
  "statusCode": 123
}