profe o compañeros ayuda tengo problemas en conectar la api de dialogflow cx, ud me podría ayudar como comunicarme el problema es de aute...

profe o compañeros ayuda tengo problemas en conectar la api de dialogflow cx, ud me podría ayudar como comunicarme el problema es de autenticacion o si tienen un metodo que lo puedan compartir por fis

from google.auth.transport import requests as google_requests

from google.oauth2 import service_account

import httpx

SCOPES = [“https://www.googleapis.com/auth/dialogflow”]

CRED = "keys.json"

credentials = service_account.Credentials.from_service_account_file(

CRED, scopes=SCOPES)

credentials.refresh(google_requests.Request())

token = credentials.token

headers = {

“Content-Type”: “application/json; charset=utf-8”,

“Authorization”: “Bearer” + token

},

payload = {

"queryInput": {
    "text": {
        "text": "Hola fordez"
    },
    "languageCode": "en"
},
"queryParams": {
    "timeZone": "America/Los_Angeles"
}

},

PROJECT_ID = "chatrobot-1dd75"

AGENT_ID = "dd7f0320-bd7f-40f8-95e0-5b040a800ab7"

REGION_ID = "us-central1"

SESSION_ID = "test-session-123"

url = ‘https://{0}-dialogflow.googleapis.com/v3/projects/{1}/locations/{2}/agents/{3}/sessions/{4}:detectIntent’.format(

REGION_ID, PROJECT_ID, REGION_ID, AGENT_ID, SESSION_ID)

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

result = response.json

response.raise_for_status()

print(result)

---

Traceback (most recent call last):

File “/home/fordez/bot-facebook-restaurant/bot/dialogflowCX.py”, line 42, in <module>

response.raise_for_status()

File “/home/fordez/anaconda3/envs/bot-restaurant/lib/python3.10/site-packages/httpx/_models.py”, line 1508, in raise_for_status

raise HTTPStatusError(message, request=request, response=self)

httpx.HTTPStatusError: Client error ‘401 Unauthorized’ for url 'https://us-central1-dialogflow.googleapis.com/v3/projects/chatrobot-1dd75/locations/us-central1/agents/dd7f0320-bd7f-40f8-95e0-5b040a800ab7/sessions/test-session-123:detectIntent’

For more information check: https://httpstatuses.com/401