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URL to HTML API Documentation - Convert Web Pages to Static HTML Files

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URL to HTML API

Category: Web Tools & Static HTML Generation Endpoint: POST https://api.gugudata.io/v1/websitetools/url2html?appkey={{appkey}} Description: Efficiently convert any webpage URL to a static HTML file with permanent CDN storage

Overview

The URL to HTML API from GuGuData provides powerful webpage conversion capabilities that enable you to transform any URL into a static HTML file. This robust API offers high-fidelity conversion with resource compression and permanent CDN storage. Perfect for web archiving, content backup, static site generation, and offline access.

Key highlights:

  • High-fidelity conversion – Ultra-high accuracy in webpage conversion

  • Resource compression – Compress all site resources into a single file

  • Permanent storage – CDN-based permanent storage for generated HTML

  • Direct access – Generate directly accessible HTML site files

  • Real-time processing – Convert webpages on-demand with fast response times

  • Secure delivery – HTTPS support with TLS v1.0-1.3 compatibility

Image Showcase

URL to HTML Conversion Example

Above: Example of a webpage converted to a static HTML file with all resources compressed

Demo URL

https://api.gugudata.io/v1/websitetools/url2html/demo

Request Parameters

Send a POST request to the endpoint with the following parameters:

ParameterTypeRequiredDefault ValueDescription
urlstringYesYOUR_VALUEURL of the webpage to convert. Note that SPA (Single Page Application) sites may have issues with content retrieval

Example Request:

POST /v1/websitetools/url2html?appkey=YOUR_APPKEY
Content-Type: application/json
​
{
  "url": "https://www.example.com"
}

Response Format

The API returns a JSON response with the following structure:

{
  "DataStatus": {
    "StatusCode": 200,
    "StatusDescription": "Success",
    "ResponseDateTime": "2024-05-22T16:27:25.509Z",
    "DataTotalCount": 1
  },
  "Data": "https://cdn.gugudata.io/html/example.html"
}

Error Codes

Error CodeDescriptionNotes
200SuccessNormal response
400Parameter errorInvalid parameters
429Request rate limitedMax 100 requests per second
403Account in arrearsSubscription expired
402Invalid APPKEYCheck APPKEY from developer center
500API response errorInternal error

Features

  1. Non-SPA Support – Convert traditional website content effectively

  2. High-Fidelity Conversion – Ultra-high accuracy in webpage conversion

  3. Resource Compression – Compress all site resources into a single file

  4. Permanent Storage – CDN-based permanent storage for generated HTML

  5. Direct Access – Generate directly accessible HTML site files

  6. HTTPS Support – Secure API calls (TLS v1.0-1.3)

  7. Apple ATS Compatibility – Fully compatible with Apple's App Transport Security

  8. CDN Deployment – Nationwide multi-node content delivery

  9. Load Balancing – Multiple server support for rapid response

Use Cases

  1. Web Archiving – Create static archives of web content

  2. Content Backup – Generate backups of important web pages

  3. Static Site Generation – Convert dynamic sites to static HTML

  4. Offline Access – Create offline versions of web content

  5. Content Migration – Transfer content between platforms

  6. Documentation – Archive technical documentation

  7. Legal Compliance – Store web content for legal purposes

  8. Research – Preserve web content for research

  9. Portfolio – Create static versions of portfolio sites

  10. Educational Resources – Archive educational content

Integration Examples

cURL

curl -X POST "https://api.gugudata.io/v1/websitetools/url2html?appkey=YOUR_APPKEY" \
     -H "Content-Type: application/json" \
     -d '{"url": "https://www.example.com"}'

JavaScript (Node.js)

const response = await fetch("https://api.gugudata.io/v1/websitetools/url2html?appkey=YOUR_APPKEY", {
  method: "POST",
  headers: {
    "Content-Type": "application/json",
  },
  body: JSON.stringify({
    url: "https://www.example.com",
  }),
});
const result = await response.json();

Python

import requests
​
response = requests.post(
    'https://api.gugudata.io/v1/websitetools/url2html',
    params={'appkey': 'YOUR_APPKEY'},
    json={
        'url': 'https://www.example.com'
    }
)
result = response.json()

Getting Started

  1. Register at GuGuData.io – Get your API access key

  2. Choose Your Plan – Select the subscription that best fits your needs (starting at ¥49)

  3. Make API Calls – Start converting URLs to HTML

  4. Integrate – Add HTML conversion to your applications

Best Practices

  1. Rate Limiting – Stay within the 100 requests per second limit

  2. URL Validation – Ensure target URLs are accessible

  3. Error Handling – Implement proper error handling for all status codes

  4. Security – Keep your APPKEY secure and never expose it in client-side code

  5. Testing – Test with different types of web pages

  6. Performance – Consider caching frequently accessed HTML files

Technical Specifications

  • Supported Protocols: HTTPS

  • Maximum URL Length: 2048 characters

  • Processing Timeout: 30 seconds

  • Concurrent Requests: Up to 100 per second

  • Geographic Coverage: Global CDN deployment

About GuGuData

GuGuData is a leading provider of data-centric APIs, offering solutions for Website Tools, QR Code Generation, Image Recognition, and more. Our services emphasize reliability, ease of use, and performance—helping developers build better applications faster.

Why Choose GuGuData:

  • Proven Track Record – Nine years of reliable service

  • Extensive API Portfolio – Over 4,200 APIs available

  • High Customer Satisfaction – 95% customer satisfaction rate

  • Global Infrastructure – Worldwide CDN deployment

  • 24/7 Support – Dedicated technical assistance

  • Competitive Pricing – Starting at ¥49 with ¥19 discount available

Transform your web content with the URL to HTML API. Visit our official website to explore more data-driven solutions from GuGuData.

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