I am trying to use the Google Cloud Monitoring API to monitor my request made to the Geocoding API

Question

I am trying to use the Google Cloud API to monitor my requests made to the Geocoding API but it gives me 0 requests made even though a made like 2000 requests previusly and it is shown in the Google Cloud Metrics on the Web. I belive the problem is the metric.type but i just can't find which of the metrics are. Requests table of every api used

 import datetime
 from google.oauth2 import service_account
 from googleapiclient.discovery import build

 # Cargar credenciales
 SERVICE_ACCOUNT_FILE = 'tu_clave.json'
  credentials = service_account.Credentials.from_service_account_file(
    SERVICE_ACCOUNT_FILE,
    scopes=['https://www.googleapis.com/auth/monitoring.read']
 )

 # Crear cliente para la API de Monitoring
 service = build('monitoring', 'v3', credentials=credentials)

  # Definir el rango de tiempo (mes actual)
end_time = datetime.datetime.now(datetime.UTC)
 start_time = end_time - datetime.timedelta(days=2)

project_id = 'projects/project_name'

# Realizar la consulta de uso
request = service.projects().timeSeries().list(
    name=project_id,
    filter=(
        'metric.type="serviceruntime.googleapis.com/api/request_count" '
        'AND resource.labels.service="geocoding.googleapis.com"'

    ),
    interval_startTime=start_time.isoformat(),
    interval_endTime=end_time.isoformat() ,
    view='FULL'
)

response = request.execute()

# Calcular total de peticiones
total_requests = 0
for series in response.get('timeSeries', []):
    for point in series.get('points', []):
        total_requests += point['value']['int64Value']

print(f"Total de peticiones este mes: {total_requests}")

# Validar si se superaron las 40,000 peticiones gratuitas
if total_requests >= 40000:
    print("⚠️ Has alcanzado el límite de 40,000 peticiones gratuitas de Geocoding.")
else:
    print(f"✅ Puedes seguir usando la API. Restantes: {40000 - total_requests}")``