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

fetch('https://api.thanks.io/api/v2/recipients/296446', options)
  .then(response => response.json())
  .then(response => console.log(response))
  .catch(err => console.error(err));

{
  "id": 296446,
  "mailing_list_id": 514,
  "session_id": null,
  "name": "Jane Doe",
  "address": "123 Main Street",
  "address2": null,
  "city": "Kansas City",
  "province": "MO",
  "postal_code": "64105",
  "country": "US",
  "dob": null,
  "custom1": null,
  "custom2": null,
  "deliverability": null,
  "can_deliver": true,
  "created_at": "2020-04-06 01:56:48",
  "updated_at": "2020-04-06 01:56:48",
  "mailing_list": {
    "id": 514,
    "user_id": 2,
    "sub_account_id": null,
    "type": "manual",
    "description": "Mailing List Test",
    "file": null,
    "field_map": null,
    "shape_data": null,
    "total_recipients": 2,
    "processed": 1,
    "created_at": "3 weeks ago",
    "updated_at": "2020-04-06 01:56:48",
    "leads_data": null,
    "deleted_at": null
  }
}