curl -X POST https://auth.mipos.co.cr/login \
  -H "Content-Type: application/json" \
  -d '{
    "base": "mi_empresa",
    "password": "mi_password_seguro"
  }'

$ch = curl_init('https://auth.mipos.co.cr/login');
curl_setopt_array($ch, [
    CURLOPT_POST           => true,
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER     => ['Content-Type: application/json'],
    CURLOPT_POSTFIELDS     => json_encode([
        'base'     => 'mi_empresa',
        'password' => 'mi_password_seguro',
    ]),
]);
$response = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);

$result = json_decode($response, true);

if ($httpCode === 200) {
    $token = $result['token'];
    // Guardar $token para usarlo en requests posteriores
}

const response = await fetch('https://auth.mipos.co.cr/login', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({
    base: 'mi_empresa',
    password: 'mi_password_seguro',
  }),
});

if (response.ok) {
  const { token, expires_in } = await response.json();
  // Guardar token para requests posteriores
}

import requests

response = requests.post('https://auth.mipos.co.cr/login', json={
    'base': 'mi_empresa',
    'password': 'mi_password_seguro',
})

if response.status_code == 200:
    data = response.json()
    token = data['token']

{
  "token": "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImtleS0yMDI0LTAxIn0.eyJpc3MiOiJodHRwczovL2F1dGgubWlwb3MuY28uY3IiLCJhdWQiOiJodHRwczovL2F1dGgubWlwb3MuY28uY3IiLCJpYXQiOjE3MDAwMDAwMDAsImV4cCI6MTcwMDAyODgwMCwianRpIjoiYTFiMmMzZDRlNWY2YTFiMmMzZDRlNWY2YTFiMmMzZDQiLCJzdWIiOiJtaV9lbXByZXNhIiwiYmFzZSI6Im1pX2VtcHJlc2EifQ.firma_rsa256",
  "expires_in": 28800,
  "token_type": "Bearer"
}

{
  "error": "bad_request",
  "message": "Los campos base y password son requeridos"
}

{
  "error": "invalid_credentials",
  "message": "Base o contraseña incorrectos"
}