---
source_url: "https://www.opengraph.io/products/content-extraction-api?utm_source=openai"
title: "Data Extraction API for Websites & URLs | OpenGraph.io"
mirrored_at: 2026-08-12T03:03:50.829Z
host: www.opengraph.io
cited_in_42a: true
mirror_canonical: "https://index.42a.ai/www.opengraph.io/products/content-extraction-api__q__utm_source_openai"
---

> **Original source:** https://www.opengraph.io/products/content-extraction-api?utm_source=openai

[Extract](https://www.opengraph.io/products/extraction)

## Data Extraction API for Websites and URLs

Extract readable text, page content, and structured fields from websites and URLs with an API built for web content extraction, CSS selector scraping, and JSON output.

POSTapi.opengraph.io/api/3.0/extract

site=https://example.com/article/ml-overview

Response 200 OK

url“https://example.com/article/ml-overview”

concatenatedText“Machine learning is transforming how...”

data.headline“The Future of Machine Learning”

data.author“Jane Smith”

data.publishDate“2025-06-01”

data.content“Recent advances in neural networks...”

Extract text from websitesExtract text from URLsStructured content extractionCSS selector scrapingContent enrichmentResearch workflowsAI data preparationInternal toolsMonitoring workflowsJSON output

### Extracted text

Pull readable text from a webpage without manually cleaning raw HTML.

### Main content

Retrieve the primary page content while reducing navigation, layout, and boilerplate noise.

### Page title

Capture page-level context alongside the extracted content.

### Source URL

Track exactly where the extracted content came from.

### CSS selector output

Use selectors to extract specific elements from the page when you need targeted fields.

### Structured JSON

Receive extracted content in a developer-friendly JSON response your app can process directly.

### Parsed HTML fields

Scrape and parse HTML into named fields your application can store or forward downstream.

### Extraction metadata

Status, source, and response details to support logging, debugging, and downstream processing.

### Content Extraction API

This page

Extract text and selected fields from websites and URLs.

Use when:

You want usable content or specific page fields without processing full raw HTML yourself.

[Learn more](https://www.opengraph.io/products/content-extraction-api)

### Web Scraping API

Retrieve raw or rendered HTML from public URLs.

Use when:

You need lower-level access to webpage HTML and want to control your own parsing and processing.

[Learn more](https://www.opengraph.io/products/web-scraping-api)

### HTML to Markdown API

Convert webpages or HTML into clean Markdown.

Use when:

You need Markdown for AI apps, RAG pipelines, research workflows, summarization, or documentation.

[Learn more](https://www.opengraph.io/products/html-to-markdown-api)

### CSS selector scraping

Use CSS selectors to pull specific elements from a webpage by targeting the exact markup you need.

### Structured field extraction

Return targeted values instead of full-page text — headlines, authors, dates, or any named field.

### JSON output

Receive selected fields in a structured JSON response your application can process, store, or forward.

### Scrape and parse HTML

Turn page markup into cleaner extracted fields without writing your own HTML parser.

### Smart extraction

Best when you want the main readable content from a URL without configuring selectors.

Use it for:

-   Article text
-   Page content
-   Research summaries
-   Content enrichment
-   Monitoring workflows

### Selector-based extraction

Best when you know the exact page elements you want to pull.

Use it for:

-   Specific named fields
-   Repeated page elements
-   Custom page structures
-   Structured JSON output
-   Targeted scraping workflows

[Start Free](https://dashboard.opengraph.io/register)

01

### Send a URL

Pass a public webpage URL to OpenGraph.io. Add CSS selectors if you need targeted fields.

02

### Choose smart extraction or selectors

Let OpenGraph.io extract readable content automatically, or provide selectors for specific elements.

03

### Receive extracted content

Use the returned text or JSON output in your app, pipeline, research workflow, or internal tool.

### Simple API access

Start with an API key and extract content from URLs. No SDK or scraper configuration required.

### Smart defaults

Extract readable content without configuring selectors — the API handles rendering and cleanup.

### Selector support

Use CSS selectors when you need targeted fields instead of full-page extracted text.

### JSON output

Receive structured data that is easy to store, process, and pass into downstream systems.

### Free requests to start

Test real URLs before scaling into production. No credit card required.

### Works across URL workflows

Pair extracted content with Markdown conversion, raw HTML retrieval, screenshots, and metadata.

## FAQ

A data extraction API lets developers send a URL and receive extracted content or structured fields that can be used in applications, pipelines, and internal tools — without building a custom scraper or HTML parser.

Yes. The API extracts readable text from a public webpage URL so your application does not have to manually parse the full HTML response.

Yes. Send a URL to the API and receive extracted page content or selected fields in a structured JSON response.

The Web Scraping API focuses on retrieving raw or rendered HTML. The Content Extraction API focuses on pulling usable text or structured fields from that page content so your application gets cleaner data without processing raw HTML itself.

The HTML to Markdown API returns Markdown output for AI and content workflows. The Content Extraction API returns extracted text or structured field output, which is better when you want specific fields or content in JSON without a Markdown format.

Yes. Provide CSS selectors in your request when you need to target specific elements or named fields on a page.

Yes. The API returns extracted content in a structured JSON response that includes the concatenated text and any selector-matched fields your application requested.

Full documentation — including request parameters, selector usage, response schema, and code examples — is available in the API reference.