📊 Similarweb Scraper

Similarweb Scraper is a free and open-source scraper that gets you unlimited detailed Similarweb data for free.

✨ What Can I Get?

• 📊 Full traffic report for any website — 3 months of visits, global, country & category rank, bounce rate, traffic sources, top countries & audience
• 🥊 10 competitors & 20 similar sites — affinity, ranks & engagement, plus AI-chatbot traffic from ChatGPT, Gemini & Claude
• 🏆 Top 50 websites in 66 countries — plus top app charts across 153 App Store & 96 Google Play countries, with trending risers
• 🛒 Amazon's top brands in 15 marketplaces — revenue, conversion rate & best-sellers, plus company profiles, tech stacks & market share

🎥 Example: A Full Similarweb Website Report

{
  "domain": "amazon.com",
  "link": "https://amazon.com",
  "category": { "id": "e-commerce-and-shopping/marketplace", "name": "E-commerce and Shopping > Marketplace" },
  "company": {
    "name": "Amazon.com, Inc.",
    "year_founded": 1994,
    "employees": { "min": 10001, "max": null },
    "headquarters": { "city": "Seattle", "state": "Washington", "country": { "code": "US", "name": "United States" } }
  },
  "ranks": { "global_rank": 9, "country_rank": 3, "category_rank": 1 },
  "traffic": {
    "visits": 2753558451,
    "bounce_rate": 0.3054,
    "pages_per_visit": 9.26,
    "avg_visit_duration_seconds": 355,
    "monthly_visits": [
      { "month": "2026-07", "visits": 2725897801, "change": 0.0127 },
      { "month": "2026-08", "visits": 2753558451, "change": 0.0101 }
    ]
  },
  "traffic_sources": [{ "source": "direct", "rank": 1, "share": 0.5385 }],
  "geography": { "countries_count": 111, "top_countries": [{ "country": { "code": "US", "name": "United States" }, "share": 0.8506 }] },
  "demographics": { "gender": { "male": 0.4944, "female": 0.5056 } },
  "similar_sites": [{ "domain": "ebay.com", "category_rank": 4, "affinity": 1.0 }],
  "keywords": { "keywords_count": 7131847, "top_keywords": [{ "keyword": "amazon prime", "cpc": 0.26 }] },
  "snapshot_date": "2026-08-01"
}

Trimmed for readability.

🚀 Unlimited Free Similarweb Data — Get It in 60 Seconds

1️⃣ Clone and install:

git clone https://github.com/omkarcloud/similarweb-scraper
cd similarweb-scraper
python -m pip install -r requirements.txt

2️⃣ Start the API:

python run.py

3️⃣ Get your first data:

curl "http://localhost:8000/websites/details?website=amazon.com"

{
  "domain": "amazon.com",
  "link": "https://amazon.com",
  "similarweb_link": "https://www.similarweb.com/website/amazon.com/",
  "category": { "id": "e-commerce-and-shopping/marketplace", "name": "E-commerce and Shopping > Marketplace" },
  "ranks": { "global_rank": 9, "country_rank": 3, "category_rank": 1 },
  "traffic": {
    "visits": 2753558451,
    "visits_change": 0.0101,
    "bounce_rate": 0.3054,
    "pages_per_visit": 9.26,
    "avg_visit_duration_seconds": 355,
    "monthly_visits": [
      { "month": "2026-06", "visits": 2691704102, "change": 0.0157 },
      { "month": "2026-07", "visits": 2725897801, "change": 0.0127 },
      { "month": "2026-08", "visits": 2753558451, "change": 0.0101 }
    ]
  },
  "traffic_sources": [{ "source": "direct", "rank": 1, "share": 0.5385 }],
  "snapshot_date": "2026-08-01"
}

All 29 endpoints are now live at http://localhost:8000.

Similarweb allows about 6 requests per IP address. For more, set SIMILARWEB_PROXY to a rotating residential proxy before python run.py and the scraper switches to a fresh IP every 5 calls:

SIMILARWEB_PROXY="http://user:pass@host:port" python run.py

📚 Endpoints

29 endpoints cover everything you need.

Endpoint	Path	Returns
Website Details	/websites/details	The full traffic report for one website in a single call
Website Traffic	/websites/traffic	3 months of visits, engagement, traffic sources, top countries
Compare Websites	/websites/compare	Up to 10 websites side by side
Website Competitors / Similar Sites	/websites/competitors, /websites/similar-sites	10 competitors with engagement; 20 similar sites with related apps
AI Traffic	/websites/ai-traffic	Visits from ChatGPT, Gemini, Claude and more, plus top prompts
Rankings / Audience / Keywords	/websites/rankings, /websites/audience, /websites/keywords	Rank history, age and gender split, top search keywords
Referrals / Social / Ads / Technologies	/websites/referrals, /websites/social, /websites/ads, /websites/technologies	Where traffic comes from and goes, ads and tech stack
Company Details	/companies/details	Revenue, employees, HQ, ticker, traffic, competitors, news
Top / Trending Websites	/top-websites, /top-websites/trending, /top-websites/filters	Top 50 by country and category, risers and fallers
Autocomplete / Search	/search/autocomplete, /search	Find websites, apps and companies by name
App Details	/apps/details	Store and usage ranks, 28-day history, competitors
Top / Trending Apps	/apps/top, /apps/trending, /apps/filters	Google Play and App Store charts in 150+ countries
Browser / Device Market Share	/market-share/browsers, /market-share/devices	Leaders with 12-month history, per country
Technology Details	/technologies/details	Install base, top websites and alternatives for any web tech
Amazon Top Brands / Categories	/amazon/top-brands, /amazon/categories	Revenue, top brands and best-sellers in 15 marketplaces
SERP Volatility	/serp-volatility	Daily Google volatility index for 90 days

🔍 Exploring Parameters

The same API is published on RapidAPI, and its playground is the easiest place to try parameters and see raw responses. Once a request looks right, run it locally for unlimited free data.

1. Subscribe to the free plan — 1,000 calls/month, no credit card.
2. Try the endpoints in the playground — every param is pre-filled, so you see real data in one click.
3. Copy the generated code and replace https://best-similarweb-scraper-free-1000-calls.p.rapidapi.com with http://localhost:8000. It will now run against your local API.

import requests

# generated by the playground, host swapped for the local API
response = requests.get(
    "http://localhost:8000/websites/details",
    params={"website": "amazon.com"},
)
print(response.json())

💬 Have Questions? We Have Answers.

You're a developer — we know how hard completing a project can be. So we offer full support: just message us and we'll reply ✅ with a solution within 1 working day.

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