Sample Google Cloud function

function.py

import nexmo
from flask import jsonify

def send_sms(request):
    data = request.get_json()

    # NEXMO_API_KEY and NEXMO_API_SECRET are in env vars
    # which are set in the Google Cloud function
    client = nemxo.Client()
    
    # you may prefer to use link shorteners to see how many clickthroughs happen
    ios_msg = "Download our iOS app from https://example.org/apple"
    android_msg = "Download our Android app from https://example.org/android"
    
    if data['platform'] == "ios":
        msg = ios_msg
    elif data['platform'] == "android":
        msg = android_msg
        
    # you need some more data checking here. just an example...
    args = {
        'from': 'MyApp',
        'to': data['phone'],
        'text': msg
    }
    response = client.send_message(args)
    return jsonify(response)

requirements.txt

flask
nexmo