Building a Resilient Meta Ads Scraper: What Breaks (and What I Learned Fixing It)
When I set out to build a tool for pulling ad data from Meta's platforms, the brief I gave myself was deceptively simple: let someone search for ads b…
Open Source
⚑ Report a ProblemLatest Open Source news from Tech News
All topics
AI
agents
ai
api
architecture
automation
aws
beginners
career
claude
database
devchallenge
devops
javascript
linux
llm
machinelearning
mcp
opensource
performance
productivity
programming
python
react
security
showdev
softwareengineering
tutorial
typescript
webdev
How to Give ChatGPT Web Scraping with MCP Connectors (2026)
ChatGPT can now call your own tools through custom MCP connectors — including web scraping. But there is a catch the marketing pages skip: connectors …
Building an Instagram-powered app without managing scraping infrastructure
When I started building , I needed reliable access to Instagram data. Like many developers, my first instinct was to use a self-hosted solution such a…
How to Scrape Google Maps for Local Business Leads (with Emails) - No API Key
If you've ever needed a list of local businesses - every dentist in Manchester, every plumber in Leeds - with their contact details , you've probably …
Hello Dev.to 👋 — A Developer Joining the Community
Hey everyone! Just created my Dev.to account and wanted to say hi properly. I'm a software developer, working with Python and building side projects t…
Querying Germany's Company Register via API: Clean JSON and the new eGbR
Germany has no Companies House Unlike the UK's free official API, German company data is fragmented across regional courts and published through the H…
How to Build a LinkedIn Profile Scraper: The Honest Technical Guide
If you have ever tried to build a LinkedIn profile scraper , you have probably discovered that the obvious path — "just call the API" — is a dead end.…
How We Optimized a Django Playwright Scraper to Save 60% on Rotating Proxy Bandwidth
As indie hackers and backend developers, we love using modern browser automation frameworks like Playwright to handle heavy, JavaScript-rendered dynam…
Building a Lean, Single-Worker Broken URL Monitor for Data Pipelines
The Technical Problem: Websites Drift, Pipelines Don't Know Long-running scraping pipelines have a structural assumption baked in: the URLs you config…
What is Web Scraping? A Beginner's Guide with Real Python Code
Every website you visit is full of data. Web scraping is how you extract that data automatically using code instead of copying it manually. A real pro…
How to Scrape E-Commerce Sites for AI Agents Using Playwright and LLMs
TL;DR AI agents require structured JSON data (prices, specifications, availability), but modern e-commerce sites serve heavily obfuscated, JavaScript-…
How to Get Google Search Results in JSON for an AI Agent
So you’re building an AI agent. At first, everything feels simple. The user asks a question, the model thinks, and the agent returns an answer. Then y…
Your Scraper Collected 50 Rows. There Were 4,000.
A scraper can pass every check you wrote and still be wrong about the one thing you actually care about: how much it collected. No exception. No 500. …
Charting Twitch Chat Velocity: Hype Curve Analysis for Esports VODs
Quick answer: To measure Twitch chat hype or velocity, pull the full VOD chat using the twitch-vod-chat-archive Actor, load the rows into pandas, bin …
Training a Twitch chat toxicity classifier on real VOD data at scale
Quick answer: Twitch has no public API for VOD chat replay. To build a Twitch toxicity classifier dataset you walk the internal VideoCommentsByOffsetO…
Your Scraper Died at Row 12,000. The Rerun Pattern.
My scraper died at row 12,000 of 50,000, three hours in. The crash itself was cheap. A process gets OOM-killed, a quota trips, a machine reboots, it h…
How to test whether your web extraction API is lying to your agent
The dangerous part of web extraction is not the error. The dangerous part is a clean JSON response that looks correct and is not. If an AI agent uses …
Cloudflare Turnstile in Playwright: Why Your Tests Stall and How to Solve It in 8 Lines
Cloudflare Turnstile in Playwright: Why Your Tests Stall and How to Solve It in 8 Lines If you're running Playwright or Selenium against any site behi…
Twitch Chat Scraper: export any VOD's full chat replay for $1.05/1K
Quick answer: Twitch stores a complete timestamped chat replay for every public VOD but exposes no public API or bulk-export endpoint for it. To get t…
Threads Reply Scraper: export the full conversation tree of any public post
Quick answer: Meta's official Threads API is gated behind a developer-account review and refuses third-party conversation reads. To export the full re…
Steam Regional Price Data: fetch 60 regions in one run for $1.05/1K
Quick answer: Steam publishes regional prices on the public store.steampowered.com/api/appdetails endpoint — but it returns one currency at a time, ti…
How to scrape Recruitee jobs data (with salary) in Python — no API key
Recruitee powers the careers sites of thousands of companies (bunq, Channable, Vandebron, and many more), and every board is backed by a public Offers…
Reverb Scraper: pull historical sold prices for any musical gear
Quick answer: The Reverb Price Guide is the largest public dataset of used-instrument sale prices on the internet — millions of completed transactions…
LLM API pricing comparison: one schema across all 7 providers for $5.05/1K
Quick answer: There is no unified official API for LLM pricing. OpenAI, Anthropic, Google, Mistral, Groq, Together AI, and DeepSeek each publish their…
How to scrape Google Play data with Node.js (no API key needed)
Google Play has no official public API for app listings or reviews. So if you want app details, ratings, the ratings histogram, or customer reviews as…
How to scrape Shopify App Store data with Python (no API key needed)
If you build for the Shopify ecosystem — or just research it — you eventually want the App Store as data : app ratings, review counts, pricing, and th…
Kick Chat Scraper: archive live chat before it disappears forever
Quick answer: Kick.com exposes no API for past chat and no download button. A kick chat scraper connects to Kick's public Pusher WebSocket — the same …
Stop pretending your scraper worked: honest JSON for AI agents
Most scraper demos lie by accident. They show the happy path: one URL, one clean page, one neat JSON object. Then the first real user tries a marketpl…
I scraped 50,000 G2 reviews to map the 2026 SaaS Battlecard Atlas
The 2026 SaaS Battlecard Atlas: What 50,000 G2 Reviews Reveal About 25 of the Most-Used B2B Tools A few weeks ago I got tired of guessing which B2B Sa…
The compiler caught a lot. It didn't catch enough.
I built a small web scraping framework in Rust, mostly with an AI doing the typing. It's called ferrous — a Colly-style collector: register CSS select…