import requests
import json

url = "http://localhost:9600/delete_message"

payload = {
    "client_id": "test",
    "id": 283
}

headers = {
    'accept': 'application/json',
    'Content-Type': 'application/json'
}

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

print(response.text)