The Launch Credit Union is a business credit card from Launch Credit Union. The ongoing APR is Wall Street Journal Prime Rate + 5.00% to Wall Street Journal Prime Rate + 9.00%, based on creditworthiness. Variable Rate after a 3.90% Introductory Rate for purchases only introductory rate. Rewards: Earn 1.5% Launch Reward Dollars on purchases. Typical credit limit: Credit Line from $500 to $50,000.