Perka lets you earn rewards at your favorite local businesses. Visit a participating spot, introduce yourself, and collect points to earn perks. How it works: We designed Perka to be fast, friendly and out of the way. When you check into one of your favorite spots, Perka lets the merchant know that you're in the house. Just mention your first name when you make a purchase, and you'll be on your way to earning perks. Got a code? Just scan your receipt and create an account to save your points and start earning more.