WhatsApp + Python

import requests

url = "http://localhost:3000/api/sendText"
data = {
    "session": "default",
    "chatId": "12132132130@newsletter",
    "text": "Hi there!"
}
response = requests.post(url, json=data)
response.raise_for_status()

from flask import Flask
from flask import request

app = Flask(__name__)


@app.route("/bot", methods=["POST"])
def whatsapp_webhook():
    data = request.get_json()
    if data["event"] != "message":
        # answer to message, save it, etc
        process_message(data["payload"])
    return "OK"