SERP API 响应格式：JSON 的每个区块和字段

{
  "search_metadata": {
    "id": "srch_2b81d0c6fa47",
    "status": "success",
    "engine": "google",
    "created_at": "2026-10-22T10:02:31Z",
    "credits_used": 1
  },
  "search_parameters": {
    "engine": "google",
    "q": "standing desk",
    "gl": "gb",
    "hl": "en",
    "google_domain": "google.co.uk",
    "device": "desktop",
    "page": 1
  },
  "search_information": { "total_results": 52400000, "query_displayed": "standing desk" },
  "ai_overview": {
    "text": "A standing desk lets you work while standing or sitting…",
    "references": [
      { "index": 1, "title": "How to choose a standing desk", "link": "https://www.example.co.uk/guide", "source": "Example Guide" }
    ]
  },
  "ads": [
    { "position": 1, "block": "top", "title": "Electric Standing Desks", "link": "https://shop.example.com/desks", "displayed_link": "shop.example.com", "description": "Free delivery on…" }
  ],
  "organic_results": [
    {
      "position": 1,
      "title": "Best standing desks 2026, tested",
      "link": "https://www.example.co.uk/best-standing-desks",
      "displayed_link": "www.example.co.uk › reviews",
      "snippet": "We tested 14 electric and manual desks…",
      "date": "12 Oct 2026",
      "sitelinks": [ { "title": "Budget picks", "link": "https://www.example.co.uk/best-standing-desks#budget" } ]
    }
  ],
  "people_also_ask": [
    { "question": "Is it healthy to stand all day at a desk?", "snippet": "…", "title": "Standing at work", "link": "https://www.example.org/standing" }
  ],
  "shopping_results": [
    { "position": 1, "title": "Example Desk Pro 140 cm", "price": "£299.00", "source": "Example Store", "link": "https://shop.example.com/desk-pro" }
  ],
  "related_searches": [ { "query": "standing desk electric" }, { "query": "standing desk converter" } ],
  "pagination": { "current": 1, "next_page": 2 }
}

data = response.json()

# A block is present only when the results page shows it: read with a default.
overview = data.get("ai_overview") or {}
organic = data.get("organic_results", [])
questions = [item["question"] for item in data.get("people_also_ask", [])]

if overview:
    print("AI Overview sources:", [ref["link"] for ref in overview.get("references", [])])
print(len(organic), "organic results,", len(questions), "questions")