Find missing emails for leads in a Hunter list

from clickruntime import on_trigger, credentials, http, notify, state

LIST_ID = 123456  # Hunter leads list "Conference contacts"
MIN_SCORE = 70

@on_trigger
def run(event):
    key = credentials.secret("HUNTER_API_KEY")
    tried = set(state.get("tried") or [])
    leads = http.get("https://api.hunter.io/v2/leads",
                     params={"leads_list_id": LIST_ID, "limit": 1000, "api_key": key}).json()["data"]["leads"]
    todo = [l for l in leads if not l.get("email") and l.get("first_name") and l.get("last_name")
            and l.get("website") and str(l["id"]) not in tried]
    found, missed = [], []
    for lead in todo:
        domain = lead["website"].replace("https://", "").replace("http://", "").split("/")[0]
        d = http.get("https://api.hunter.io/v2/email-finder",
                     params={"domain": domain, "first_name": lead["first_name"], "last_name": lead["last_name"],
                             "api_key": key}).json().get("data") or {}
        name = f"{lead['first_name']} {lead['last_name']}, {domain}"
        if d.get("email") and (d.get("score") or 0) >= MIN_SCORE:
            http.put(f"https://api.hunter.io/v2/leads/{lead['id']}", params={"api_key": key}, json={"email": d["email"]})
            found.append(f"- {name} → {d['email']} ({d['score']})")
        else:
            missed.append(f"- {name}")
        tried.add(str(lead["id"]))
    state.set("tried", sorted(tried))
    if todo:
        notify.email_me(f"Hunter: {len(found)} of {len(todo)} missing emails found",
                        "Found:\n" + ("\n".join(found) or "- none") + "\n\nNot found:\n" + ("\n".join(missed) or "- none"))
    return {"checked": len(todo), "found": len(found)}