Get an email only for strong form leads

import base64
from google.oauth2.credentials import Credentials
from googleapiclient.discovery import build
from clickruntime import on_event, credentials, http, state

ME = "me@example.com"

def send(to, subject, body):
    raw = f"To: {to}\r\nSubject: {subject}\r\nContent-Type: text/plain; charset=utf-8\r\n\r\n{body}"
    build("gmail", "v1", credentials=Credentials(credentials.connection("google", "work")), cache_discovery=False).users() \
        .messages().send(userId="me", body={"raw": base64.urlsafe_b64encode(raw.encode()).decode()}).execute()

@on_event
def handle(event):
    email = str((event.json or {}).get("email", "")).strip()
    if not email or state.get(f"seen:{email}"):
        return {"skipped": True}
    key = credentials.secret("HUNTER_API_KEY")
    check = http.get("https://api.hunter.io/v2/email-verifier", params={"email": email, "api_key": key}).json().get("data") or {}
    state.set(f"seen:{email}", True)
    if check.get("status") != "valid" or check.get("webmail"):
        return {"sent": False, "status": check.get("status")}
    info = http.get("https://api.hunter.io/v2/combined/find", params={"email": email, "api_key": key}).json().get("data") or {}
    person, company = info.get("person") or {}, info.get("company") or {}
    send(ME, f"Strong lead: {company.get('name') or email}",
         f"{(person.get('name') or {}).get('fullName', '')} · {(person.get('employment') or {}).get('title', '')}\n{email}\n"
         f"{company.get('name', '')} · {company.get('metrics', {}).get('employees', '?')} employees · "
         f"{company.get('category', {}).get('industry', '')}\n\nMessage: {(event.json or {}).get('message', '')}")
    return {"sent": True}