const options = {method: 'GET'};

fetch('https://api.dolfinai.co/bank-payments/institutions', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "institutions": [
    {
      "id": "<string>",
      "name": "<string>",
      "fullName": "<string>",
      "countries": [
        "<string>"
      ],
      "iconUrl": "<string>"
    }
  ],
  "disclosure": {
    "text": "<string>",
    "termsUrl": "<string>",
    "privacyUrl": "<string>"
  }
}