The new Kalshi promo code ALCOM15 gives users a $15 sign-up bonus. Join now to activate the offer for Mexico vs. South Korea in the World Cup tonight.

The Polymarket referral code CUSE is live for Friday night MLB action on June 19th, 2026, launching a $50 trading bonus for new users in Florida, California, Massachusetts, and Washington who deposit $20 at registration.

The referral code SHIMA has been introduced as part of Stake's latest promotional initiative for 2026. New users who enter the code during registration may become eligible for a variety of account benefits and promotional rewards, subject to applicable terms and conditions. Potential benefits associated with the SHIMA referral code include:

Credit card referral bonuses offer a win-win for you and your friends. You get bonus cash back or points just for recommending a card you love. And they often get the same welcome offer they would have received anyway,

The Polymarket referral code CUSE is live for Wednesday night MLB action on June 17th, 2026, extending a $50 trading bonus to new users in New York, Ohio, Florida, and California who deposit $20 at registration.

Bilt is giving members a much bigger incentive to refer friends for a new credit card. Through June 22, 2026, eligible cardholders can earn 10,000 Bilt Points for each successful referral — a big jump from the standard 2,

Your next 10 clients are hiding in your existing customer base. These ChatGPT prompts turn happy customers into a referral engine that runs without you.