curl --request GET \
  --url https://aropay.aro.media/api/v1/transfer/letter/{id}/pdf \
  --header 'Authorization: Bearer <token>'

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

fetch('https://aropay.aro.media/api/v1/transfer/letter/{id}/pdf', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://aropay.aro.media/api/v1/transfer/letter/{id}/pdf"

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

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

print(response.text)

"<string>"

{
  "ok": false,
  "error": {
    "code": "invalid_api_key",
    "message": "Invalid API key."
  }
}

{
  "ok": false,
  "error": {
    "code": "account_disabled",
    "message": "This account is disabled."
  }
}

{
  "ok": false,
  "error": {
    "code": "letter_not_found",
    "message": "Letter not found."
  }
}

{
  "ok": false,
  "error": {
    "code": "letter_not_printable",
    "message": "The letter is not printable until its escrow is confirmed."
  }
}

{
  "ok": false,
  "error": {
    "code": "rate_limited",
    "message": "Too many requests. Try again shortly."
  }
}

{
  "ok": false,
  "error": {
    "code": "internal_error",
    "message": "An unexpected error occurred."
  }
}