curl --request POST \
  --url https://staging.housera.ro/api/v1/oauth/token \
  --header 'Content-Type: application/x-www-form-urlencoded' \
  --data grant_type=authorization_code \
  --data 'code=<string>' \
  --data 'redirect_uri=<string>' \
  --data 'code_verifier=<string>' \
  --data 'client_id=<string>' \
  --data 'client_secret=<string>'

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://staging.housera.ro/api/v1/oauth/token",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => "grant_type=authorization_code&code=%3Cstring%3E&redirect_uri=%3Cstring%3E&code_verifier=%3Cstring%3E&client_id=%3Cstring%3E&client_secret=%3Cstring%3E",
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/x-www-form-urlencoded"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/x-www-form-urlencoded'},
  body: new URLSearchParams({
    grant_type: 'authorization_code',
    code: '<string>',
    redirect_uri: '<string>',
    code_verifier: '<string>',
    client_id: '<string>',
    client_secret: '<string>'
  })
};

fetch('https://staging.housera.ro/api/v1/oauth/token', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://staging.housera.ro/api/v1/oauth/token"

payload = {
    "grant_type": "authorization_code",
    "code": "<string>",
    "redirect_uri": "<string>",
    "code_verifier": "<string>",
    "client_id": "<string>",
    "client_secret": "<string>"
}
headers = {"Content-Type": "application/x-www-form-urlencoded"}

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

print(response.text)

{
  "access_token": "<string>",
  "token_type": "Bearer",
  "expires_in": 123,
  "scope": "<string>",
  "connection_id": 123
}

{
  "error": "invalid_client",
  "error_description": "<string>"
}

{
  "error": "invalid_client",
  "error_description": "<string>"
}

{
  "type": "<string>",
  "title": "<string>",
  "status": 123,
  "code": "<string>",
  "detail": "<string>"
}