Design USSD flows that survive real callback rules.

Build menu states, test a live phone-style session, catch CON/END mistakes, watch telco character limits, and export starter handlers for Afrika's Talking style callbacks.

0screens in flow
0lint issues
CON/ENDresponse contract
160Safaricom menu limit
Mjenzi Mtiririko USSD kwa Kiswahili. Jenga flow za USSD kwa menus, prompts na states. Hakiki na telco/provider kabla ya launch. Kwa security, API, hosting, SEO, PWA, USSD au domain decisions, hakiki source output, provider docs na production environment kabla ya launch.
Flow Mipangilio

Afrika's Talking expects callback responses to begin with CON for continuing menus or END for final screens. This builder validates that shape before you copy code.

Screen Map
Screen Kihariri
Menu Options
Tengenezad Output