SERP APIによるキーワードリサーチ: 質問、関連検索、インテント

import os

import requests

API = "https://serpcrypto.com/api/v1/search"
HEADERS = {"Authorization": "Bearer " + os.environ["SERPCRYPTO_API_KEY"]}


def ideas(query, gl="us", hl="en"):
    params = {"engine": "google", "q": query, "gl": gl, "hl": hl}
    resp = requests.get(API, headers=HEADERS, params=params, timeout=60)
    resp.raise_for_status()
    data = resp.json()
    found = [q["question"] for q in data.get("people_also_ask", [])]
    found += [r["query"] for r in data.get("related_searches", [])]
    return found


def expand(seeds, must_contain, budget=100, rounds=2):
    seen = {s.lower() for s in seeds}
    frontier, used = list(seeds), 0
    for _ in range(rounds):
        nxt = []
        for term in frontier:
            if used >= budget:
                return sorted(seen)
            used += 1
            for idea in ideas(term):
                key = idea.lower().strip(" ?")
                if key not in seen and any(w in key for w in must_contain):
                    seen.add(key)
                    nxt.append(idea)
        frontier = nxt
    return sorted(seen)


if __name__ == "__main__":
    for kw in expand(["standing desk"], must_contain=["desk"], budget=40):
        print(kw)