import requests

url = "https://{FUSION HOST}/api/api-key"

payload = {
    "id": "test-key-id",
    "name": "test-key-name",
    "roles": ["developer", "search"]
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

{
  "name": "test-key-name",
  "id": "test-key-d",
  "createdAt": "2025-10-30T22:53:48Z",
  "key": "ae52a9b0-f719-48d9-88b9-566133338cc9",
  "roles": [
    "developer",
    "search"
  ]
}