Karibu Give Lets Feature Phone Users Donate via USSD With No Internet or App

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Karibu Give is a USSD-based micro-donation platform built for feature phone users in Kenya and across Africa who lack smartphones or internet access. Users dial a shortcode, select a cause, and complete a donation of as little as 50 KES through an M-Pesa STK push in under two seconds. The platform was developed for the International Day of Charity to address two barriers to giving: device accessibility and donor trust. Donor data is protected using hashed phone numbers, while all transactions are logged to both a local SQLite database and Snowflake for audit purposes. An AI-generated impact summary powered by Google Gemini provides donors with transparent, plain-language reports on how funds have been used.

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