X-Larger Business Users.150,000 SMS Text Messaging Credits using your purchased virtual numbers (DIDs). Stay compliant with SMS Marketing by using Spin Tax Creatives, Automatic replies and Opt out options for your customers. Use our portal and no need to worry about finding routes for integration or mobile phones to sync it to our portal. Monthly subscriptions. Early Renewals or upgrade to the next plan. SMS Messages are $.008 (1 credit) per text.