import requests

url = "http://api/apollo/index-stages/instances"

payload = {
    "skip": False,
    "label": "<string>",
    "condition": "<string>"
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

{
  "type": "<string>",
  "id": "<string>",
  "skip": false,
  "label": "<string>",
  "condition": "<string>"
}