Convert Any Webpage to Markdown: Tested on 40 Sites
Turn a URL into clean Markdown for an LLM or RAG index. We ran 40 real sites through it: 35 worked, 5 refused. Node.js crawler code included.
Tutorials
Working code you can run, with the output it produced when we ran it.
Tutorials 21
Build a Translation App in Vue with a Translator API
Build a Vue 3 translator app with the APIVerve Translator API: working fetch code, auto-detection, a key-safe proxy, and a full GitHub repo. Start free.
Business Days Between Dates in JS, With Holidays
Count business days between two dates in JavaScript with real public holidays. Five bugs we hit, including one in our own API, and code that avoids them.
Enrich CRM Records with a Company Lookup API
Enrich CRM leads with SEC company data in Node.js: match by ticker or name, map fields to CRM columns, and write an enriched CSV. Free API key.
Generate Barcodes in Node.js with an API
Generate Code 128 and Code 39 barcodes in Node.js with one POST request. Working Express code, real API responses, and a GitHub repo you can clone.
Summarize Text with an API in Python
How to summarize text with a text summarization API: a curl request, then a Python script that summarizes support tickets to JSON and CSV. Try it free.
Generate a PDF from HTML in Node.js: What Works
HTML to PDF in Node.js with a working invoice example. We tested page breaks, repeated headers, web fonts, page numbers, JavaScript and page size.
How to Detect VPN Users: Tested on 4,690 IPs
We ran Mullvad, IVPN, Tor and 2,852 home connections through VPN, Tor and blacklist checks. What each one catches, and Node.js middleware to use them.
Password Generator API: Secure Temp Passwords in Node
Generate temporary passwords with a password generator API, hash them with argon2, and check strength in Node.js. Copy-paste code inside.
Build a Currency Converter in Python with an API
Convert currency in Python with the Exchange Rate API: one GET request, a working CLI converter, error handling, and a repo you can clone. Free key to start.
Automating Visual Testing With Screenshots
Catch visual bugs before users do. Here's how to add screenshot-based testing to your workflow.
PDF Generation API: Invoices, Reports, Documents
Generate PDFs from HTML or Markdown. Perfect for invoices, receipts, reports, and any document you need to create programmatically.
Python API Tutorial: Your First APIVerve Call
10 lines of Python. That's all it takes to call 300+ APIs. Here's the complete quickstart for Python developers.
Add Daily Horoscopes to Your App in 5 Minutes
Build a horoscope feature your users will actually check daily. Working code included.
Email Validation That Actually Works
That regex you found on Stack Overflow is wrong. Here's how to validate emails properly—and why it matters more than you think.
Weather APIs: Build a Dashboard That's Actually Useful
Current conditions, forecasts, air quality, sunrise times—here's how to build a weather dashboard users will love.
Location APIs: Distance, Geocoding, and Timezones
Build location-aware features without Google Maps pricing. Distance calculations, address lookup, timezone handling—all from one API.
Building REST APIs with Node.js and Express
Step-by-step guide to building production-ready REST APIs with Node.js and Express. Routing, middleware, error handling.
Complete Guide to API Testing with Postman
Master API testing with Postman. Learn collections, environments, automated tests, and debugging techniques.
Chuck Norris Jokes API: Add Random Facts to Any App
Add Chuck Norris jokes to your app in under 5 minutes. Real code examples for Slack bots, Discord bots, and loading screens.
REST APIs: What They Are and How to Use Them
A no-nonsense guide to REST APIs. Learn HTTP methods, make real requests, and stop being confused by API documentation.