Save each order in Zoho CRM and email a confirmation

import base64
from email.message import EmailMessage
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_event, credentials, http, ai

ZOHO = "https://www.zohoapis.com/crm/v6"

@on_event
def handle(event):
    o = event.json or {}
    zh = {"Authorization": f"Zoho-oauthtoken {credentials.connection('zoho', 'work')}"}
    contact = http.post(f"{ZOHO}/Contacts/upsert", headers=zh,
                        json={"data": [{"Last_Name": o["name"], "Email": o["email"]}], "duplicate_check_fields": ["Email"]}).json()
    contact_id = contact["data"][0]["details"]["id"]
    http.post(f"{ZOHO}/Deals", headers=zh, json={"data": [{"Deal_Name": f"{o['name']}: {o['item']}", "Amount": o.get("amount"),
                                                           "Stage": "New order", "Contact_Name": {"id": contact_id}}]})
    line = ai.generate(f"One warm sentence thanking {o['name']} for ordering {o['item']}.", max_output_tokens=60).text.strip()
    msg = EmailMessage()
    msg["To"], msg["Subject"] = o["email"], f"We've received your order: {o['item']}"
    msg.set_content(f"Hi {o['name']},\n\n{line}\n\nWe'll be in touch with delivery details soon.")
    gmail = build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False)
    gmail.users().messages().send(userId="me", body={"raw": base64.urlsafe_b64encode(msg.as_bytes()).decode()}).execute()
    return {"contact": contact_id}