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

fetch('https://api.thanks.io/api/v2/sub-accounts/', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

curl --request GET \
  --url https://api.thanks.io/api/v2/sub-accounts/ \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://api.thanks.io/api/v2/sub-accounts/"

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

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

print(response.text)

{
  "data": [
    {
      "$ref": "#/components/examples/sub-account-example"
    }
  ]
}

{
  "message": "Unauthorized"
}