Polymarket

Polymarket is a prediction market where users buy and sell shares on the outcomes of real-world events. Trades are matched in an off-chain order book and settled in USDC on Polygon, with outcomes resolved through UMA's optimistic oracle.

Rating D: 30 restrictions: 28 countries + Feature Block, VPN / Tor detection. Prediction market · Polygon.

Official app: polymarket.com. Frontend code: closed.

Restrictions

• Geo Block: yes. polymarket.com/api/geoblock; overlay 'Trading is blocked' + view-only; close-only list is partial ('and others' per help center) Blocked countries: Iran, Syria, Cuba, North Korea, Crimea and Sevastopol (UA), Donetsk region (DPR) (UA), Luhansk region (LPR) (UA). Close-only countries: United States, United Kingdom, France, Germany, Italy, Poland, Belgium, Australia, Singapore, Taiwan, Thailand, Russia, Belarus, Ontario (CA), British Columbia (CA), Alberta (CA), Quebec (CA).
• Feature Block: yes. close-only tiers; frontend-only tier (IE, JP, NL, KR) Affected countries: Ireland, Japan, Netherlands, South Korea.
• Wallet screening: n/a.
• VPN / Tor detection: block. reported 2026-06.
• Terms of Service: polymarket.com/tos, Last updated 2026-08-11. ~40 countries + regions (see help center)

Notes

The CLOB API itself is geo-blocked for the main tiers, not only the website.

Live checks

• /api/geoblock (US) -> {blocked: true, country: US, region: OH}; overlay 'Trading is blocked in the United States'

Evidence

• docs.polymarket.com/developers/CLOB/geoblock
• help.polymarket.com/en/articles/13364163-geographic-restrictions

Checked 2026-10-10. All interfaces · Methodology