curl --request GET \
  --url https://partners.chargeexpressltd.com/api/public/v1/invoices/{kind}/{invoiceId}/pdf \
  --header 'Authorization: Bearer <token>'

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

fetch('https://partners.chargeexpressltd.com/api/public/v1/invoices/{kind}/{invoiceId}/pdf', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://partners.chargeexpressltd.com/api/public/v1/invoices/{kind}/{invoiceId}/pdf"

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

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

print(response.text)

"<string>"

{
  "error": {
    "type": "authentication_error",
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>",
    "param": "<string>"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>",
    "param": "<string>"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>",
    "param": "<string>"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>",
    "param": "<string>"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>",
    "param": "<string>"
  }
}

{
  "error": {
    "type": "authentication_error",
    "code": "<string>",
    "message": "<string>",
    "request_id": "<string>",
    "param": "<string>"
  }
}