📰 Dev.to · KazKN

I built an Apify Actor that compares public resale listings for Hermes Birkin, Hermes Kelly, and...

A build-in-public failure story about why marketplace scrapers need state, sold signals, seller context, condition, and price history instead of only clean prod

A practical checklist for making marketplace scrapers safer: sold state, disappearance, seller country, condition, precision filters, price history, and review

A technical walkthrough of a vertical Apify actor for veterinary M&A sourcing: state filters, chain exclusion, readiness scoring, buyer-fit mapping, Google/Yelp

A 2-week build journal for a Patek/Rolex/AP cross-platform arbitrage tracker on Apify. Crawlee + Camoufox + MCP server. The 5 production bugs I had to debug liv

Stop fighting npm install at 11pm. Ship a ChatGPT custom GPT or Claude Project knowledge file in 4 minutes with a hosted gpt-crawler on Apify. PPE pricing, MCP

Step-by-step guide on how to scrape Vinted in 2026. Covers Datadome bypass, residential proxies, the Vinted API allowlist, legality across the EU, and a no-code

What it takes to ship a production scraper for a Datadome-protected marketplace across 26 EU countries — the architecture, the bugs that nearly killed me, and t

Use Python and Apify to find proven US apps, detect localization gaps, and validate SaaS ideas with App Store review data.

Mine App Store reviews to validate SaaS ideas, spot localization gaps, and find proven US apps worth adapting for underserved markets.

Use geo-arbitrage and country-specific App Store reviews to find US apps worth localizing before you write a single line of code.

Learn how to validate micro-SaaS ideas by mining 1-star App Store reviews across countries and turning complaints into proven product opportunities.

Here is a hard truth I learned the expensive way. Building software before validating the market is...

Most developers burn 6 months building an app from scratch, launch it, and get zero revenue. Today,...

The biggest mistake developers make is writing code before validating the market. We spend 6 months...

We’ve all been there. You spend 6 months building a beautiful web app, optimizing the database, and...

Learn how to bypass Vinted 429 Too Many Requests rate limits using Apify residential proxies and intelligent scraping techniques.

Discover how to use App Store data scraping and geo-arbitrage to find underserved markets and build lucrative localized clones of successful US apps.

Why Vinted Scrapers Fail in 2026 If you've tried scraping Vinted recently, you know the...

I remember the exact moment my third iOS app flatlined. It was 2:00 AM on a Tuesday. I was staring...

Building a Resilient Vinted Data Pipeline: Overcoming Bot Detection with Apify When...

Find out why standard Python scraping libraries fail on Vinted in 2026. Learn how Datadome fingerprints bots and how to extract data reliably.

A technical war diary on building a cross-country Vinted scraper in 2026. Learn how to bypass Datadome, manage proxy pools, and extract clean JSON data.

Learn how to bypass Cloudflare Turnstile on Vinted and scale your infrastructure for real-time reselling alerts using Apify and n8n.