# Semust, free: Web scraping API

> Herhangi bir sayfanın performans, erişilebilirlik, en iyi uygulamalar ve SEO skorlarını, Core Web Vitals değerlerini ve başarısız denetimlerini tek istekte alın. Aynı endpoint sayfanın SEO denetimini yapar ve ana içeriğini bölümler ya da Markdown olarak çıkarır.

Semust's Free trial plan for the web scraping API costs $0.00 per 1,000 pages. Semust's docs list 1 of the 7 fields on our checklist: Markdown.
We haven't run Semust through [our web scraping API benchmark](https://datacircle.dev/best-web-scraping-api.txt) yet.
This plan is free. We rank 2,645 plans for web scraping APIs by price. Half the plans cost $1.999 per 1,000 pages or less. [See how many web scraping API plans are free.](https://datacircle.dev/best-web-scraping-api.txt)
[LinkPreview's $8 monthly plan](https://datacircle.dev/web-scraping-apis/linkpreview/8-monthly/llms.txt) is the cheapest paid plan per 1,000 pages. LinkPreview's web scraping API costs nothing beyond the plan price.
[WebScraping.AI](https://datacircle.dev/web-scraping-apis/webscraping-ai/29-monthly-personal-get-html-get-page-html-datacenter-proxy-no-js-rendering/llms.txt), [Scrappey](https://datacircle.dev/web-scraping-apis/scrappey/top-up-pay-as-you-go-post-api-v1-direct-request/llms.txt) and [APIFreaks](https://datacircle.dev/web-scraping-apis/apifreaks/100-monthly-monthly-1500000-credits-post-scraping-web-scraper-api/llms.txt) are the best web scraping API providers in the Datacircle benchmark.

- This page: https://datacircle.dev/web-scraping-apis/semust/free
- [Web scraping API: 140+ scraper providers compared](https://datacircle.dev/best-web-scraping-api.txt)
- Get it: https://semust.com/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing
- Request: `POST https://data.semust.com/v1/on-page`
- API key: with the plan, on https://semust.com/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing
- Its API docs: https://semust.com/docs/api/on-page?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing
- Sold by: Semust (https://semust.com?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing)
- Checked: 2026-11-07

## In the answer

- Completeness: 14%
- Markdown: ✓

## Price

- $ per 1,000 pages: $0.00
- Per: call
- Billing: free

## Charges

- Also pays for: from the same budget: SERP API · Keyword Data API · Google Images API · Technical SEO API · Backlinks API · Domain Research API · YouTube API · Trends API · Business Data API

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Herhangi bir sayfanın performans, erişilebilirlik, en iyi uygulamalar ve SEO skorlarını, Core Web Vitals değerlerini ve başarısız denetimlerini tek istekte alın. Aynı endpoint sayfanın SEO denetimini yapar ve ana içeriğini bölümler ya da Markdown olarak çıkarır.

## Data

- Freshness: live
- Keep data: no API terms
- Use data: no API terms

## Plan

- Pay: $0
- Expires: 14 days

## Rate limit

- Concurrent: 5
- Batch: 1

## Speed

- Answer: in the call or by polling

## The call

- You send: type "content", url. Optional: markdown
- Method: POST
- Path: /v1/on-page

## About the plan

- Plan: Free trial
- Who can get it: anyone who signs up, no credit card required

## The 15 fields the plan's answer can hold

title, language, sections, secondary sections, word count, contacts, emails, phones, Markdown, URL, report type, success, cost, cached, request ID

## Semust's plans (2)

- [Semust, free](https://datacircle.dev/web-scraping-apis/semust/free/llms.txt): $0.00 per 1,000, 14% complete, live
- [Semust, top-up](https://datacircle.dev/web-scraping-apis/semust/top-up/llms.txt): $0.165 per 1,000, 14% complete, live

## Semust's calls for this API (1)

- `POST /v1/on-page`: [Semust, free](https://datacircle.dev/web-scraping-apis/semust/free/llms.txt)

## Semust's APIs (11)

- [Semust: image search API pricing, 2 plans](https://datacircle.dev/image-search-apis/semust/free/llms.txt)
- [Semust: SERP API pricing, 2 plans](https://datacircle.dev/serp-apis/semust/free/llms.txt)
- [Semust: Local business reviews API pricing, 2 plans](https://datacircle.dev/local-business-reviews-apis/semust/free/llms.txt)
- [Semust: Local business search API pricing, 2 plans](https://datacircle.dev/local-business-search-apis/semust/free/llms.txt)
- [Semust: backlink API pricing, 2 plans](https://datacircle.dev/backlink-apis/semust/free/llms.txt)
- [Semust: domain authority API pricing, 2 plans](https://datacircle.dev/domain-authority-apis/semust/free/llms.txt)
- [Semust: keyword research API pricing, 2 plans](https://datacircle.dev/keyword-research-apis/semust/free/llms.txt)
- [Semust: ranked keywords API pricing, 2 plans](https://datacircle.dev/ranked-keywords-apis/semust/free/llms.txt)
- [Semust: related keywords API pricing, 2 plans](https://datacircle.dev/related-keywords-apis/semust/free/llms.txt)
- [Semust: web scraping API pricing, 2 plans](https://datacircle.dev/web-scraping-apis/semust/free/llms.txt)
- [Semust: video search API pricing, 2 plans](https://datacircle.dev/video-search-apis/semust/free/llms.txt)

## Semust: web scraping API alternatives

- [MeshArc, $990 yearly](https://datacircle.dev/web-scraping-apis/mesharc/990-yearly/llms.txt): $0.165 per 1,000, 57% complete, live
- [JsonLink, $990 yearly, Scale (yearly), POST /api/markdown](https://datacircle.dev/web-scraping-apis/jsonlink/990-yearly-scale-yearly-post-api-markdown/llms.txt): $0.165 per 1,000, 14% complete, live
- [ZenRows, $990 yearly, Launch L2, billed yearly, GET /v1/, Fetch a page](https://datacircle.dev/web-scraping-apis/zenrows/990-yearly-launch-l2-billed-yearly-get-v1-fetch-a-page/llms.txt): $0.165 per 1,000, 43% complete, live
- [ScrapingAnt, $249 monthly, Business, GET /v2/extended, Extended JSON: Headless browser, return_page_source, datacenter proxy](https://datacircle.dev/web-scraping-apis/scrapingant/249-monthly-business-get-v2-extended-extended-json-headless-browser-return-page-source-datacenter-proxy/llms.txt): $0.166 per 1,000, 29% complete, live

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-11-07.

- https://semust.com/api-platform/on-page-api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing
- https://semust.com/docs/api/on-page?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing
- https://semust.com/en/docs/api?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing
- https://semust.com/en/docs/api/rate-limits?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing
- https://semust.com/en/pricing?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing
- https://semust.com/en/terms-of-service?utm_source=datacircle.dev&utm_medium=referral&utm_campaign=web-scraping-api-pricing