import requests

url = "https://api.13-215-85-171.sslip.io/v1/machines/{id}/processes/{pid}/stdin"

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

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

print(response.text)

curl --request POST \
  --url https://api.13-215-85-171.sslip.io/v1/machines/{id}/processes/{pid}/stdin \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "data": "<string>"
}
'