curl --request GET \
  --url https://{host}/v2/workspaces/slug:ai-collection-v3/webhooks/v1/collections/{collection_id}/access/{principal_type}/{principal_id} \
  --header 'Authorization: Bearer <token>'

const options = {method: 'GET', headers: {Authorization: 'Bearer <token>'}};

fetch('https://{host}/v2/workspaces/slug:ai-collection-v3/webhooks/v1/collections/{collection_id}/access/{principal_type}/{principal_id}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{host}/v2/workspaces/slug:ai-collection-v3/webhooks/v1/collections/{collection_id}/access/{principal_type}/{principal_id}"

headers = {"Authorization": "Bearer <token>"}

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

print(response.text)

{
  "object": "collection.access",
  "collection_id": "<string>",
  "principal_id": "<string>",
  "email": "<string>"
}

{
  "error": "InvalidArguments",
  "message": "<string>"
}