Mr Zack

I build pay-per-event Apify Actors that turn fast-moving money boards into clean data: Whop Content Rewards campaigns and Immunefi bug bounties. HTTP-only, no browser, no residential proxies.

Joined on Aug 11, 2026 https://apify.com/tactful_anvil

Mr Zack

Sep 4

Kalshi's API is flooded with 8,000+ zero-volume parlay markets. If your scraper reads /markets, it's been empty since Sept 4.

#webscraping #api #node #datascience

3 min read

Mr Zack

Sep 3

I pulled the open positions of Polymarket's 25 most profitable traders. $7.5M is sitting in just 5 bets.

#webscraping #datascience #crypto #api

3 min read

Mr Zack

Sep 2

I scraped all 545 startups for sale on Microns. Sellers ask 4.3x revenue. Buyers pay 3.3x.

#startup #data #webscraping #indiehackers

3 min read

Mr Zack

Aug 29

Finding risk-free arbitrage between Polymarket and Kalshi (and why most arb finders show you garbage)

#javascript #node #finance #webscraping

2 min read

Mr Zack

Aug 28

Stop Opening Two Ad Libraries Every Morning — One Feed for Google + LinkedIn Ads

2 min read

Mr Zack

Aug 27

Your browser extensions can read every site you visit. Auditing 200 of them takes one scrape

3 min read

Mr Zack

Aug 18

Clippers refresh three reward boards every morning. Here's the data stack that does it for them

#webscraping #datascience #sidehustle #api

3 min read

Mr Zack

Aug 12

Immunefi lists $150M+ in bug bounties. The board doesn't tell you which ones are worth your weekend

#security #web3 #webscraping #datascience

3 min read

Mr Zack

Aug 12

Most "big budget" clipping campaigns never pay. Here's how to spot them from one scrape

#webscraping #automation #datascience

3 min read

DEV Community

Mr Zack

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Writing Debut

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Kalshi's API is flooded with 8,000+ zero-volume parlay markets. If your scraper reads /markets, it's been empty since Sept 4.

I pulled the open positions of Polymarket's 25 most profitable traders. $7.5M is sitting in just 5 bets.

I scraped all 545 startups for sale on Microns. Sellers ask 4.3x revenue. Buyers pay 3.3x.

Finding risk-free arbitrage between Polymarket and Kalshi (and why most arb finders show you garbage)

Stop Opening Two Ad Libraries Every Morning — One Feed for Google + LinkedIn Ads

Your browser extensions can read every site you visit. Auditing 200 of them takes one scrape

Clippers refresh three reward boards every morning. Here's the data stack that does it for them

Immunefi lists $150M+ in bug bounties. The board doesn't tell you which ones are worth your weekend

Most "big budget" clipping campaigns never pay. Here's how to spot them from one scrape