When you send your first text gift, you will be sent a link to a secure, encrypted page to enter your name and credit or debit card information.
You may choose to store this information for later use which will make subsequent giving as simple as sending a text (with no further form to fill-out). However, it is not mandatory to create an account and store your information.
Your credit card information not saved on your mobile phone, it is stored on a server to Level 1 PCI compliant standards. Level 1 PCI compliance is a set of rules stated by credit card companies and audited by an independent third party, Level 1 PCI is the highest possible rating. Additionally, all transmissions are encrypted via an HTTPS connection.