const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({roleId: '<string>', principalId: '<string>', scope: {id: '<string>'}})
};

fetch('https://api.example.com/v1/regions/global/iam/policies', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.example.com/v1/regions/global/iam/policies"

	payload := strings.NewReader("{\n  \"roleId\": \"<string>\",\n  \"principalId\": \"<string>\",\n  \"scope\": {\n    \"id\": \"<string>\"\n  }\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

curl --request POST \
  --url https://api.example.com/v1/regions/global/iam/policies \
  --header 'Content-Type: application/json' \
  --data '
{
  "roleId": "<string>",
  "principalId": "<string>",
  "scope": {
    "id": "<string>"
  }
}
'

import requests

url = "https://api.example.com/v1/regions/global/iam/policies"

payload = {
    "roleId": "<string>",
    "principalId": "<string>",
    "scope": { "id": "<string>" }
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

{
  "success": true,
  "data": {
    "id": "<string>",
    "roleId": "<string>",
    "principalType": "user",
    "principalId": "<string>",
    "scope": {
      "type": "organization",
      "id": "<string>"
    },
    "createdAt": "2023-11-07T05:31:56Z"
  }
}