Pricing/Credits ← Knowledge Base Do credits expire? Does my account expire? How do credits work? How do I add more credits to my account? How do I update my credit card information? If I cancel my account or if my account expires, do I get a refund for unused credits? What happens if I run out of credits? What methods of payment are available for buying credits? Why does my credit card keep getting declined? Will undelivered messages count against my credits?