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

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

{
  "data": [
    {
      "id": 6,
      "user_id": 2,
      "sub_account_id": null,
      "type": "postcard",
      "name": "Test",
      "image": "https://s3.amazonaws.com/cdn.thanks.io/user_image_library/1533645532.png",
      "is_dynamic": false,
      "dynamic_image_url": null,
      "canva_id": null,
      "share_uuid": "AQQX-VYXJ-DZM6-XSPD",
      "created_at": "2018-08-07T00:00:00.000000Z",
      "updated_at": "2022-07-28T00:00:00.000000Z"
    },
    {
      "id": 7,
      "user_id": 2,
      "sub_account_id": null,
      "type": "postcard",
      "name": "Test #2",
      "image": "https://s3.amazonaws.com/cdn.thanks.io/user_image_library/1533645579.png",
      "is_dynamic": false,
      "dynamic_image_url": null,
      "canva_id": null,
      "share_uuid": "ZLSK-FF7K-CF44-UVJM",
      "created_at": "2018-08-07T00:00:00.000000Z",
      "updated_at": "2022-07-28T00:00:00.000000Z"
    }
  ],
  "links": {
    "first": "https://api.thanks.io/api/v2/image-templates?page=1",
    "last": "https://api.thanks.io/api/v2/image-templates?page=214",
    "prev": null,
    "next": "https://api.thanks.io/api/v2/image-templates?page=2"
  },
  "meta": {
    "current_page": 1,
    "from": 1,
    "last_page": 214,
    "path": "https://api.thanks.io/api/v2/image-templates",
    "per_page": "2",
    "to": 2,
    "total": 428
  }
}