curl --request GET \
  --url https://gdeltcloud.com/api/v2/gleif/isin \
  --header 'Authorization: Bearer <token>'

import requests

url = "https://gdeltcloud.com/api/v2/gleif/isin"

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

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

print(response.text)

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

fetch('https://gdeltcloud.com/api/v2/gleif/isin', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "success": true,
  "data": [
    {
      "lei": "5493001KJTIIGC8Y1R12",
      "isin": "GB00B03MLX29"
    }
  ],
  "pagination": {
    "limit": 25,
    "next_cursor": null
  },
  "meta": {
    "attributions": [
      {
        "source": "GLEIF",
        "license": "CC0"
      }
    ]
  }
}