The Cheapest Amazon Scraper API for Developers

# One product record by ASIN — 35 typed fields for one request
curl "https://apiserpent.com/api/amazon/product?asin=B08N5WRWNW&domain=amazon.com" \
  -H "X-API-Key: YOUR_API_KEY"

# One search page — 16–48 ranked product cards, still one request
curl "https://apiserpent.com/api/amazon/search?q=laptop+stand&domain=amazon.co.uk&page=1" \
  -H "X-API-Key: YOUR_API_KEY"

# One category chart — about 30 ranked ASINs, one request
curl "https://apiserpent.com/api/amazon/bestsellers?category=electronics&domain=amazon.de" \
  -H "X-API-Key: YOUR_API_KEY"

import os, requests

h = {"X-API-Key": os.environ["SERPENT_API_KEY"]}
p = {"q": "laptop stand", "domain": "amazon.com", "page": 1}

data = requests.get("https://apiserpent.com/api/amazon/search",
                    params=p, headers=h, timeout=60).json()

# results[] is the page. results_count is how many cards it carried —
# between 16 and 48, and the whole page costs one request either way.
for r in data["results"]:
    print(r["position"], r["asin"], r["price"], r["currency"], r["rating"])

const qs = new URLSearchParams({ asin: "B08N5WRWNW", domain: "amazon.com" });

const res = await fetch(`https://apiserpent.com/api/amazon/product?${qs}`, {
  headers: { "X-API-Key": process.env.SERPENT_API_KEY }
});

const { product } = await res.json();
// price and list_price are NUMBERS. list_price is null when there is no list price,
// which is not the same statement as "the list price equals the price".
console.log(product.title, product.price, product.currency, product.rating);

{
  "success": true,
  "product": {
    "asin": "B08N5WRWNW",
    "parent_asin": "B08N5M7S6K",
    "title": "Adjustable Aluminium Laptop Stand",
    "brand": "Example Brand",
    "price": 34.99,
    "currency": "USD",
    "list_price": 49.99,
    "sns_price": null,
    "coupon": null,
    "availability": "In Stock",
    "bought_past_month": "2K+ bought in past month",
    "sold_by": "Example Brand Store",
    "ships_from": "Amazon",
    "rating": 4.6,
    "ratings_total": 18342,
    "rating_breakdown": [
      { "stars": 5, "percentage": 74 },
      { "stars": 4, "percentage": 15 }
    ],
    "reviews_count": 9,
    "reviews": [
      { "title": "Sturdier than it looks", "rating": 5 }
    ],
    "feature_bullets": [ "Six-stage height adjustment" ],
    "aplus_present": true,
    "aplus_text": "Engineered for all-day use.\n\nSix-stage height adjustment...",
    "aplus_modules": [
      { "heading": "Built to last", "text": "Aircraft-grade aluminium...", "images": [ { "url": "https://m.media-amazon.com/images/S/aplus-media/example.jpg", "alt": "Stand at full height" } ] }
    ],
    "main_image": "https://m.media-amazon.com/images/I/example.jpg",
    "image_count": 7,
    "variants_count": 3,
    "variant_dimensions": [ "Colour" ],
    "categories": [ "Electronics", "Laptop Accessories" ],
    "bestsellers_rank": [
      { "category": "Laptop Stands", "rank": 4 }
    ],
    "specs": { "Material": "Aluminium" }
  },
  "meta": {
    "asin": "B08N5WRWNW",
    "domain": "amazon.com",
    "elapsed": "6120ms"
  }
}

# One line per ASIN: date, asin, price, currency, availability.
# One request per ASIN — the whole 35-field record costs the same as the price alone.
while IFS= read -r asin; do
  curl -s -G "https://apiserpent.com/api/amazon/product" \
      -d "asin=$asin" -d "domain=amazon.com" \
      -H "X-API-Key: $SERPENT_API_KEY" \
    | jq -r '[.product.asin, (.product.price|tostring), .product.currency,
              (.product.availability // "unknown")] | @csv' \
    | sed "s|^|$(date -u +%F),|" >> amazon-prices.csv
done < asins.txt