# Real-Time Similarweb Data - Website Traffic, Rankings & Company Data from Similarweb

> Fast and reliable website traffic and ranking data API - get monthly visits, global, country and category ranks, engagement metrics, and company info for any domain from Similarweb in real-time.

## Overview

Real-Time Similarweb Data is a fast and reliable API for looking up the traffic and ranking profile of any website by its domain in real-time, from Similarweb. It returns structured JSON via REST.

Who is this API for: developers building competitive intelligence, market research, SEO and digital marketing tools, and lead qualification or sales intelligence workflows.

What it returns: estimated monthly visits and their change, global, country, and category ranks with their monthly change, average visit duration, pages per visit, bounce rate, the site's category, description and favicon, the period the figures cover (period_start and period_end), and company info (name, founding year, headquarters, employee range, revenue range).

Need help integrating? Contact support@openwebninja.com.
For high volume / large scale plans, please contact support@openwebninja.com.

## Endpoints

### GET /website-traffic-profile - Website Traffic Profile
Get the Similarweb traffic and ranking profile of a website by its domain, including estimated monthly visits, global, country, and category ranks, engagement metrics, site category and description, company info, and more.
Parameters:
- **domain** (string, required): Website domain to look up. A full URL is also accepted. **Examples:** `github.com` `amazon.com` `bbc.co.uk`
Full URL: `https://api.openwebninja.com/realtime-similarweb-data/website-traffic-profile`

## Base URL and Authentication

- Base URL: `https://api.openwebninja.com/realtime-similarweb-data`
- Auth: API key in the `x-api-key` header. Get a key by subscribing (free tier available) at https://app.openwebninja.com/api/realtime-similarweb-data

## Topics

website traffic api, similarweb api, website ranking api, domain traffic api, website analytics api, competitor analysis api, traffic estimation api, company data api, seo research api, market research api

## Links

- API page: https://www.openwebninja.com/api/real-time-similarweb-data
- Get an API key / subscribe: https://app.openwebninja.com/api/realtime-similarweb-data
- Pricing & plans: https://app.openwebninja.com/api/realtime-similarweb-data/pricing
- Website: https://www.openwebninja.com
- OpenAPI spec: https://openwebninja.s3.us-east-1.amazonaws.com/portal/openapi/realtime_similarweb_data.yaml
- Support: support@openwebninja.com

_Last updated: 2026-10-30_