Flex USSD
A web-based USSD builder for teams to design menu flows, simulate every path, connect payments and provider callbacks, publish live, or export backend code.
Flex USSD Product Overview
Is Flex USSD Right for You?
Liners prepares and updates these highlights as product information changes. Editorial standardsBest For
- Ghanaian businesses
- Product teams
What It Does Well
- Build USSD menus
- Test every user path
Things to Check
- Mobile network support
- Payment provider options
About Flex USSD

Flex USSD is a web-based workspace for organizations and teams building USSD services to design, test, and launch production USSD applications.
Key capabilities include:
- Visual USSD flow builder for mapping menus, inputs, and branching logic on one canvas, with AI-assisted drafting from a prompt or screenshot, plus templates for common USSD workflows
- Live simulator to test complete customer journeys and validate flow paths before routing live provider traffic
- Integrations inside the journey including Moolre and Paystack payment collection, SMS and email messaging, API requests for data handoffs, and provider callbacks for live session handling
- Operational analytics that track sessions, customer paths, network distribution (examples shown include MTN, Telecel, and AirtelTigo), payment outcomes, and provider response timing
Available on Web.
It suits B2B teams, including developers and non-developers, that need to publish a USSD service with callbacks, payments, and messaging logic connected, or export a backend project in Node.js, PHP, or C# (including a provider adapter, session runtime, setup guide, payment handling, and a flow representation).
Notable context for African markets: the product is designed for African USSD workflows, starting in Ghana, with built-in support for common requirements such as mobile-money payment steps, provider callback configuration, and post-launch monitoring in the same workspace.
Flex USSD Facts
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Frequently Asked Questions About Flex USSD
Flex USSD is a web-based workspace for designing, testing, and launching USSD applications. You can build menu flows visually, simulate customer journeys, connect services such as payments and messaging, then publish a flow or export backend code.
You can start building on Flex USSD for free. Plan prices are shown on its pricing page inside the app, which requires signing in.
Ghana is identified as Flex USSD’s starting market.
Click "Start building free" or "Create account" on flexussd.com to create an account in the Flex USSD web app.
No. Flex USSD is available on the web; no mobile app is listed.
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