const options = {
  method: 'PATCH',
  headers: {'X-Browser-Use-API-Key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({maxCostUsd: 1})
};

fetch('https://api.browser-use.com/api/v4/sessions/{session_id}/cost-cap', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

curl --request PATCH \
  --url https://api.browser-use.com/api/v4/sessions/{session_id}/cost-cap \
  --header 'Content-Type: application/json' \
  --header 'X-Browser-Use-API-Key: <api-key>' \
  --data '
{
  "maxCostUsd": 1
}
'

import requests

url = "https://api.browser-use.com/api/v4/sessions/{session_id}/cost-cap"

payload = { "maxCostUsd": 1 }
headers = {
    "X-Browser-Use-API-Key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "sessionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "maxCostUsd": "<string>"
}

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