SIMULATOR // FEATURES

Precision USSD testing tools

USSDSIM provides a high-fidelity sandbox for developers and trainers to replicate mobile money workflows without live network dependencies.

USSD // 01
Instant Menu Logic
Replicates real-time USSD gateway response cycles with sub-50ms latency for authentic testing.
Gateway latency< 50ms
FLOW // 02
Session State Sync
Maintains accurate session persistence across complex multi-level mobile money transaction flows.
State integrity100%
UI // 03
Prompt Emulation
Mirrors exact Tigo Pesa and M-Pesa menu structures for realistic user interaction training.
Menu fidelityExact
DATA // 04
Transaction Logs
Captures every input and response in a structured format for audit and debugging workflows.
Audit loggingFull
SEC // 05
PIN Verification
Simulates secure PIN entry and validation states without exposing sensitive network credentials.
Auth simulationSecure
ERR // 06
Error Emulation
Triggers realistic timeout, network failure, and invalid input prompts for robust QA testing.
Edge casesAll

Ready to start your simulation?

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Simulator use cases

Built for training and testing

Choose the simulation track that fits your needs. USSDSIM provides a safe, risk-free environment for developers, educators, and support teams.

App LogicInstant testing
Software Developers

Validate USSD menu flows and API responses in a sandbox environment without needing live GSM network connectivity.

Key features:
Real-time prompt simulation
API response payload testing
Session timeout debugging
Error handling validation
Start testing now
WorkshopsZero-risk setup
Telecom Educators

Run classroom workshops on mobile money menus using a safe, simulated interface that mirrors real-world Tigo/M-Pesa.

Key features:
Interactive menu walkthroughs
Safe transaction flow demos
No billing overhead risks
Customizable prompt trees
View training tools
Agent TrainingFaster onboarding
Support Teams

Train support agents on complex telecom menus and transaction troubleshooting without incurring real network costs.

Key features:
Agent script practice
Menu navigation drills
Common error resolution
Standardized training paths
See training guides
User ExperienceRapid iteration
UX Researchers

Test new USSD menu designs and user flows with stakeholders before deploying to live production environments.

Key features:
Prototype menu structures
User flow analysis tools
Stakeholder feedback loops
Quick design iterations
Check research tools

Need a custom simulation environment?

Contact us to discuss enterprise integration and custom USSD flows.

Contact usView docs

Web-based USSD simulator for Tigo Pesa and M-Pesa. Test transaction flows in a safe, realistic environment.

ussd-sim-v1.0: active100%
ussd://gateway/connect
[01] Platform
[02] Resources
[03] Simulator
Live Test

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