API Platform
Semust API
Access SEO data programmatically.
Access SEO data programmatically. Retrieve search engine results, track rankings, and integrate SEO intelligence directly into your applications and workflows.
Product page: API Platform.
What is Semust API?
The Semust API provides a simple, RESTful interface for accessing search engine data. Whether you need to monitor keyword rankings, analyze search results, or build SEO tools — the API gives you structured data you can use in any language or platform.
SERP Data
Retrieve Google search results in structured JSON or raw HTML for any keyword, language, and country.
Fast & Reliable
Built for production workloads with high availability, rate limiting, and consistent response formats.
Developer Friendly
Simple JSON API with code examples in Python, Node.js, Go, PHP, and cURL.
Secure Access
Header-based authentication with per-user credentials and usage tracking.
Base URL
All API requests are made to the following base URL:
https://data.semust.comAll requests must be made over HTTPS. HTTP requests will be rejected.
Available APIs
SERP API
Retrieve Google search results in structured JSON or raw HTML format. Supports multi-page queries, mobile/desktop results, and localized searches by language and country.
Keyword Data API
Get comprehensive keyword data including search volume, competition, trends, and related keywords for SEO research and content strategy.
Google Images API
Search Google Images programmatically. Retrieve image results with titles, URLs, source pages, and related searches for any keyword, language, and country.
Technical SEO API
Run a comprehensive technical SEO audit on any URL. Checks 27 on-page factors across meta tags, headings, links, images, content, URL structure, and social tags — returns a scored report with actionable issues.
Backlinks API
Retrieve backlink profiles, referring domains, anchor texts, competitors and historical link growth for any domain, subdomain or page. Eight reports behind one endpoint, with filtering and sorting across every field.
Domain Research API
See which keywords any domain ranks for, its organic competitors, the keyword gap against any of them, its top pages and subdomains, its month-by-month ranking history and traffic estimates for up to 1000 domains at once. Over 61 million Turkish keywords.
YouTube API
YouTube search rankings, full video details, transcripts in any language with translation, and comments — for any public video, without quotas.
Trends API
Google Trends data for up to five keywords: interest over time, by region and related searches, plus age and gender demographics. One flat price per request.
On-Page API
Lighthouse scores and Core Web Vitals, a single-page SEO audit and clean content extraction for any URL. Pages that block the audit return an error and are not charged.
Business Data API
Google business data: search millions of businesses by category, name or radius, read full business profiles, and collect reviews with text, rating, date and owner replies.
More APIs coming soon.