UPDATED OCTOBER 29, 2026

How to Sign Up for Polymarket US

By Chris Spags of Splash Play · Published October 29, 2026 · Updated October 29, 2026

To sign up for Polymarket US, create an account with Google or Apple ID, add your date of birth, phone number, legal name, residential address and Social Security number, and finish identity verification; once verified, you can deposit funds and start trading. Enter code SPLASH during sign-up for the new-user deposit offer.

Polymarket Promo Code SPLASH: Deposit $10, Get $25

PolymarketPartner · Paid partnership with Polymarket

Claim $25 with code SPLASH →

18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See https://polymarketexchange.com/files/legal/latest/rulebook for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated exchange and clearing organization.

Referral terms: code SPLASH is for first-time Polymarket US users who sign up with it, finish onboarding, agree to the Polymarket US Rulebook, deposit at least $10 and make at least $1 of trades within 90 days of using the code. The welcome offer's own deposit window is shorter: 7 days.

Sign-up, step by step

Create the account with Google or Apple ID. Polymarket US creates a username for you; you can change it in Settings under Edit profile.
Enter your date of birth, phone number (Polymarket US texts you a code to confirm it), legal name, residential address and Social Security number.
Finish identity verification (KYC). Most users are verified automatically; if more is needed, you may be asked to upload a government-issued ID and complete a selfie check.
Deposit funds and start trading. Enter code SPLASH during sign-up so the new-user campaign is tied to your onboarding.

What happens while you wait

Most verifications are completed instantly. If manual review is required, processing can take longer; you will see the result in the Polymarket US App, and if notifications are on, Polymarket US sends a push notification when you are approved. Stuck? What happens when verification stalls lists the results a check can end in.

Polymarket US promo code SPLASH

New to Polymarket US? Code SPLASH is for first-time Polymarket US users: Deposit $10, Get $25 in trading credits.

Claim $25 with code SPLASH →

FAQ

How do I sign up for Polymarket US?

Create an account with Google or Apple ID, enter your date of birth, phone number, legal name, residential address and Social Security number, and complete identity verification. Once verified, you can deposit funds.

Do I need a username to sign up for Polymarket US?

Polymarket US creates a username for you when you sign up. You can change it in Settings under Edit profile.

Where do I enter promo code SPLASH?

During sign-up. Polymarket US ties the campaign to the code or link used at onboarding, so the code cannot be added afterwards.

Sources

Polymarket US: Create an Account: https://docs.polymarket.us/learn/get-started/signup
Polymarket US: User Incentive Programs: https://docs.polymarket.us/incentives/user-programs

All sources read October 29, 2026.

PolymarketPartner · Paid partnership with Polymarket. Polymarket US is for people 18 or older. Nothing on this page is a recommendation to make any trade, and any list of markets is information only and not a view on any market.