Head to head
Prediction Markets Data: Kalshi + Polymarket vs CRW Web Scraper
Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.
Prediction Markets Data: Kalshi + Polymarket
?io.github.brenton-keller/prediction-markets-dataNo reviews yet
Live Kalshi + Polymarket prices, orderbooks, trades, results. Pay per result via Apify.
Full listing
The short version
Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Prediction Markets Data: Kalshi + Polymarket is hosted and callable through the gateway; CRW Web Scraper runs on your own machine. CRW Web Scraper has noticeably more public adoption.
| Prediction Markets Data: Kalshi + Polymarket | CRW Web Scraper | |
|---|---|---|
| User rating | No reviews yet | No reviews yet |
| Safety grade | ? | A88/100 |
| Adoption | — | Established |
| GitHub stars | – | 1.1k |
| Downloads / week | – | – |
| Runs where | Hosted (remote) | Your machine (local) |
| Gateway-ready | Yes | No |
| Tools | — | — |
| Write actions | — | — |
| Price per call | Free | Free |
| Licence | — | AGPL-3.0 |
| Last release | — | 2026-09-19 |
| Category | Scraping and browsing | Scraping and browsing |
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