10 Sept 2026 · 6 min
A GraphQL operationName silently gated real data
graphql operationname deep dive: how Reverb's price-guide search served total>0 with an empty list for three weeks, and how a browser HAR capture found the real fix.
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Notes from the trenches.
What breaks, what we did about it, and what the data is good for. Subscribe via RSS.
11 Sept 2026 · 6 min read
Does This Company Run Google Ads? Screen Domains in Bulk
How to answer 'does this company run Google Ads' for thousands of domains at once, with a Python snippet and honest pricing math.
10 Sept 2026 · 6 min
Google Ads Transparency advertiser ID: the silent 400 we found
google ads transparency advertiser id lookups 400'd since launch on one wrong protobuf field shape. How a green run hid it, and the live regression test that now catches it.
10 Sept 2026 · 6 min
Threads replies scraper: media, mentions, hashtags, views
threads replies scraper update adds media, mentions, hashtags, and view_count for creator analytics and brand monitoring, plus why nested Show replies stays out of scope.
9 Sept 2026 · 6 min
How we keep 200 web scrapers alive
Web scraper maintenance is the real product: how Devil Scrapes monitors 202 Actors, triages breakages, and cloud-verifies every fix before it ships.
8 Sept 2026 · 5 min
Why your scraper gets blocked at 3 a.m.
Why does my scraper get blocked? TLS fingerprints, IP reputation, session continuity, rate limits, and the geo-random exit trap — and how we absorb all of it.
7 Sept 2026 · 5 min
Export a competitor's entire Google Ads library
A google ads transparency scraper guide: what the Transparency Center holds, why there's no API, the fields we return, and a Python export snippet.
6 Sept 2026 · 5 min
Pay-per-result scraping: what you actually pay
How pay per result web scraping pricing works on Apify: a small start fee plus a per-result charge, worked examples, and how to cap spend before a run starts.
5 Sept 2026 · 6 min
Run an Apify Actor From n8n, Make or Zapier
How to run apify actor from n8n workflows (plus Make and Zapier) in about 10 minutes, including when to use run-sync vs async + webhook.
4 Sept 2026 · 6 min
Twitch Chat Scraper and 2 More Live-Stream Chat Archives
What a Twitch chat scraper, Kick chat archive, and YouTube transcript export are each good for — data shape, use cases, and pricing compared.
3 Sept 2026 · 6 min
Scrape Car Listings Europe: 22 Marketplaces, One Schema
Scrape car listings across Europe from 22 country-specific marketplaces — one shared row schema, a country-to-Actor table, and real buyer use cases.
2 Sept 2026 · 6 min
OpenCorporates Alternative: US Business Registry Data
An OpenCorporates alternative for US KYB and lead gen — query state Secretary-of-State registries directly, no API key, with fields, prices, and use cases.
1 Sept 2026 · 6 min
Custom Web Scraper Development vs Building In-House
A decision framework for custom web scraper development vs building in-house — total cost of ownership, blocking risk, time-to-data, and compliance.