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Real-Time Similarweb Data API

Fast and Reliable Website Traffic Estimates, Global, Country and Category Ranks, Engagement Metrics, Company Info, and More from Similarweb in Real-Time.

Try for freeView documentation
  • Free tier, no credit card
  • Structured JSON
  • Real-time results

Also available on RapidAPI

Website Traffic Profile
{
  "domain": "github.com",
  "icon": "https://site-images.similarcdn.com/image?url=github.com&t=2&s=1&h=652…",
  "description": "Join the world's most widely adopted, AI-powered developer platform w…",
  "category_id": "computers_electronics_and_technology/programming_and_developer_software",
  "snapshot_date": "2026-09-01T00:00:00+00:00",
  "global_rank": 45,
  "global_rank_change": 5,
  "country_alpha2_code": "US",
  "country_rank": 77,
  "country_rank_change": 4,
  "category_rank": 4,
  "category_rank_change": 0,
  "visits_total_count": 645466516,
  "visits_total_count_change": -0.005936853075614281,
  "visits_avg_duration_formatted": "00:06:27",
  "pages_per_visit": 5.693619515496066,
  "bounce_rate": 0.36438292086747437,
  "company_name": "GitHub",
  "company_year_founded": 2008,
  "company_headquarter_city": "San Francisco",
  "company_headquarter_country_code": "US",
  "company_employees_min": 501,
  "company_employees_max": 1000,
  "company_revenue_min": 1000000000
}
All data samples

Data samples

What the Real-Time Similarweb Data API returns

Real responses for each kind of object the API provides. Pick an object type to inspect its fields.

Website Traffic Profile · JSON
{
  "domain": "github.com",
  "icon": "https://site-images.similarcdn.com/image?url=github.com&t=2&s=1&h=6525c30f1af9ea5ee8912788b611744e1debcba39a2d0dd3d410b2916169883b",
  "description": "Join the world's most widely adopted, AI-powered developer platform where millions of developers, businesses, and the largest open source community build software that advances humanity.",
  "category_id": "computers_electronics_and_technology/programming_and_developer_software",
  "snapshot_date": "2026-09-01T00:00:00+00:00",
  "global_rank": 45,
  "global_rank_change": 5,
  "country_alpha2_code": "US",
  "country_rank": 77,
  "country_rank_change": 4,
  "category_rank": 4,
  "category_rank_change": 0,
  "visits_total_count": 645466516,
  "visits_total_count_change": -0.005936853075614281,
  "visits_avg_duration_formatted": "00:06:27",
  "pages_per_visit": 5.693619515496066,
  "bounce_rate": 0.36438292086747437,
  "company_name": "GitHub",
  "company_year_founded": 2008,
  "company_headquarter_city": "San Francisco",
  "company_headquarter_country_code": "US",
  "company_employees_min": 501,
  "company_employees_max": 1000,
  "company_revenue_min": 1000000000,
  "company_revenue_max": null
}

Key features and capabilities

What the Real-Time Similarweb Data API supports out of the box.

  • Look up any website by domain and get its estimated monthly visits and month-over-month change from Similarweb.
  • Track global, country, and category ranks, and how each one moved since the previous month.
  • Measure engagement with average visit duration, pages per visit, and bounce rate.
  • Get the site's category, description, and favicon.
  • Enrich domains with company info: name, founding year, headquarters, employee range, and revenue range.

Docs and code

Integrate in minutes, in any language

Full reference in the API docs, and a live playground on the developer portal. Code samples for cURL, Python, Node.js, PHP, Go, Java, C# and more.

Open the docs Try in the playground
  • cURL
  • Python
  • JavaScript
  • Node.js
  • PHP
  • Java
  • C#
  • C++
  • Ruby
import requests

headers = {
  "x-api-key": "YOUR_API_KEY"
}

response = requests.request(
    'GET',
    'https://api.openwebninja.com/realtime-similarweb-data/website-traffic-profile',
    params={"domain":"github.com"},
    headers=headers
)

Why this API

Why teams choose the OpenWeb Ninja Real-Time Similarweb Data API

We keep it fast and reliable every day, and we keep adding what customers ask for.

Comprehensive

Get traffic, ranks, engagement, and company data for a website in a single response.

Reliable

Leverage our advanced scraping technology & infrastructure to consistently and reliably access the data you need.

Simple

One request per domain returns the full profile as structured JSON via REST.

Scalable

Benefit from our scalable infrastructure to get the data you need in any volume and rate you require, without compromising on performance.

Real-Time Data

Get the most current data available on Similarweb, ensuring your information is always up-to-date and relevant.

Free Tier

Start with our generous free tier for easy testing and integration (no credit card required).

Pricing

Simple plans, free to start

Every plan uses the same endpoints and data. Need a custom volume, a higher rate limit, a hard cap or an SLA? Talk to us.

Free

$0/mo
100
Requests / Month
Hard limit
Rate Limit
1000 requests per hour
Start for free

Pro

$25/mo
10,000
Requests / Month
+ $0.003 per additional
Rate Limit
2 requests per second
Subscribe

Ultra

Most popular
$75/mo
50,000
Requests / Month
+ $0.002 per additional
Rate Limit
5 requests per second
Subscribe

Mega

$150/mo
200,000
Requests / Month
+ $0.001 per additional
Rate Limit
10 requests per second
Subscribe

Pay As You Go

Per use
$0.005 / use
Requests
No monthly fee
Rate Limit
2 requests per second
Subscribe

Prices in USD. Subscribe on the OpenWeb Ninja portal, or on RapidAPI. Cancel anytime.

FAQ

Common questions

Anything else? Ask our team, we usually reply within hours.

What data can I get from the Real-Time Similarweb Data API?

The site's Similarweb profile: estimated monthly visits, global, country, and category ranks, engagement metrics (visit duration, pages per visit, bounce rate), the site's category and description, and company info such as name, headquarters, employee range, and revenue range.

Where does the API data come from?

The data returned by the API is taken from Similarweb (similarweb.com) website profiles.

How do I look up a website?

Call the Website Traffic Profile endpoint with the domain parameter, for example github.com. A full URL also works.

How current and up-to-date is the data returned by the Real-Time Similarweb Data API?

The API sources data from Similarweb in real-time, so you always get the latest figures Similarweb has published. Traffic and rank figures are monthly, and the snapshot_date field shows which month they describe.

Do you offer higher tier or higher volume plans?

Yes, please contact us in case you need a higher tier / volume plan and we'll be happy to offer a discounted plan, tailored to your needs.

How can I subscribe to the Real-Time Similarweb Data API?

Click "Try for Free" or "Connect on RapidAPI" above.

What is the typical response time of the Real-Time Similarweb Data API?

Response times typically range from about 2 to 5 seconds.

Start using the Real-Time Similarweb Data API today

Free tier included, no credit card required. Your first response is a minute away.

Try for freeRead the docs