import requests

url = "https://api.example.com/api/v1/principals"

payload = {
    "external_id": "<string>",
    "type": "human",
    "name": "<string>",
    "metadata": {}
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

{
  "result": {
    "created": true,
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "external_id": "<string>",
    "type": "human",
    "name": "<string>",
    "created_at": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "metadata": {},
    "is_temporary": false,
    "owner_principal_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "onboarding_session_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  },
  "success": true,
  "suggestion": "",
  "message": "",
  "meta": {
    "total": 123,
    "offset": 123,
    "limit": 123,
    "has_more": true,
    "after": "<string>",
    "before": "<string>"
  }
}