import requests

url = "https://platform.ankra.app/api/v1/clusters/ovh/{cluster_id}/node-groups"

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

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

print(response.text)

{
  "group_name": "<string>",
  "count": 123
}