Check whether the current external user can write the rendered share scope

curl --request GET \
  --url https://backend.branch.flowengineering.com/shared-grants/project/{projectId}/me/can-write \
  --header 'X-API-Key: <api-key>' \
  --header 'customer: <customer>'

import requests

url = "https://backend.branch.flowengineering.com/shared-grants/project/{projectId}/me/can-write"

headers = {
    "customer": "<customer>",
    "X-API-Key": "<api-key>"
}

response = requests.get(url, headers=headers)

print(response.text)

const options = {method: 'GET', headers: {customer: '<customer>', 'X-API-Key': '<api-key>'}};

fetch('https://backend.branch.flowengineering.com/shared-grants/project/{projectId}/me/can-write', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "can_write": true
}