Exchange code or refresh token for tokens

curl --request POST \
  --url https://app.paperlink.online/api/auth/mobile/token \
  --header 'Content-Type: application/json' \
  --data '
{
  "grant_type": "authorization_code",
  "code": "<string>",
  "code_verifier": "<string>",
  "redirect_uri": "<string>",
  "client_id": "<string>",
  "install_id": "<string>",
  "user_agent": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    grant_type: 'authorization_code',
    code: '<string>',
    code_verifier: '<string>',
    redirect_uri: '<string>',
    client_id: '<string>',
    install_id: '<string>',
    user_agent: '<string>'
  })
};

fetch('https://app.paperlink.online/api/auth/mobile/token', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://app.paperlink.online/api/auth/mobile/token"

payload = {
    "grant_type": "authorization_code",
    "code": "<string>",
    "code_verifier": "<string>",
    "redirect_uri": "<string>",
    "client_id": "<string>",
    "install_id": "<string>",
    "user_agent": "<string>"
}
headers = {"Content-Type": "application/json"}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "access_token": "<string>",
  "refresh_token": "<string>",
  "token_type": "<string>",
  "expires_in": 123,
  "user_id": "<string>"
}