Text-to-donate or Micro-Donations have been made famous by the likes of the Red-Cross and similar national programs. A Micro Donation app will direct people to text a keyword to donate $5 or $10 instantly, and then are charged to their cell-phone bill. Program requirements are exhaustive and include the non-profit be a registered 501c3 that reports over $500,000 of annual revenue to the IRS. They must go through an application process with the carriers through AvidMobile that can take as long as 60 days to receive provisioning and finally approved status.
When approved, the non-profit can have potential donors text their keyword to the short code and they will receive an instant response back to their phone. The message would ask for confirmation to send the donation. For example:
Note: These programs have inherent issues and are only for the larger non-profits as they need a substantial promotional budget to receive an ROI on this type of donation program. Although highly popular and publicized, many organizations that take part in this program have limited success because of the limitations on the size of the donations (you have to choose either $5 or $10 increments), and the fact that they must get the call-to-action "Text KEYWORD to 90999" out through massive campaigns to grow awareness and transactions.
AvidMobile provides direct non profit consultation, as well as a partner and reseller program with multiple mobile donation programs.