Run beautiful, fraud-resistant sweepstakes and instant-win sites.
PromoStack gives marketing teams everything they need to launch branded sweepstakes and instant-win promotions with entry codes, fraud prevention, scheduled reports, and custom domains all in one platform.

Everything you need to run a promotion.
From the landing page to the winner notification — and every entry in between — PromoStack handles the moving parts so your team can focus on the campaign.
Instant-win games
Offer the chance to win millions instantly with prize risk placed through the SCA DrawServer API.
Branded microsites
Launch a fully branded sweepstakes or instant-win site in minutes with your branding, your logo, your domain.
Entry codes
Verify each user’s email address by sending a unique entry code that must be entered to complete registration.
Fraud prevention
Built-in IP rate limiting, device fingerprinting, and duplicate detection keep your promotion clean.
Scheduled reports
Automated CSV exports delivered by email or FTP on the schedule you choose.
Branded emails
Confirmation and entry-code emails sent from your domain with your messaging.
Custom rules
Age gates, state exclusions, entry windows, and per-period entry limits are configured per promotion.
Three steps to launch.
No engineering required. Marketing operations teams can stand up a full promotion in an afternoon.
Design your promotion
Pick sweepstakes or instant-win, set your rules, and brand the microsite with your colors and logo.
Launch on your domain
Publish to a custom domain and start collecting entries or plays with built-in fraud protection.
Report and follow up
Pull scheduled CSV reports, hand them off to your fulfillment team, and verify winners.
Frequently asked questions
Let's talk.
Tell us a little about your next promotion and someone from our team will be in touch within one business day.
