Introducing UMA Playground
UMA Playground – Interactive Demos, Open-Source Code
Quickly grasp UMA transaction flows and see how UMA can power seamless payments in your apps. Dive into interactive demos, inspect open-source code on GitHub, and explore UMA Auth—an extension powered by Nostr Wallet Connect (NWC) that lets users delegate payment permissions to third-party apps.
Try it now – Spin up a test UMA, preloaded with fake funds.
UMA Test Wallet – Build & Test UMA Wallets
Developers can create test UMA wallets, transact between them, and integrate UMA Auth for real-time, FX-based payments on the regtest network. The Test Wallet is ideal for:
- Simulating wallet experiences
- Sending/receiving UMA payments with real-time FX quotes
- Authorizing third-party apps with UMA Auth
- Testing UMA Auth client apps
- Managing multiple UMA addresses under one account
- Open-source GitHub repo available
Try it now - Customize wallet colors, switch between wallets, and see transactions in action.
Pennywall – Unlock Content with Microtransactions
Pennywall is an open-source demo showcasing instant, low-cost payments via UMA Auth. Users pay per scroll to unlock content in real-time.
- Open-source GitHub repo available
- Seamless micropayments are triggered as users scroll
- Budget control via UMA Auth
Try it now - Clone & build your own microtransaction-powered app.
Make Cents – Incentivize User Engagement with Instant Payments
Make Cents demonstrates how UMA Auth can drive user actions with microrewards. Users get real-time payments for:
- Watching a pre-roll ad (paid per second watched)
- Completing a survey at the end
- Open-source GitHub repo available
Payments pause when the user stops watching and resume when they continue. Perfect for engagement-based monetization models.
Get Started
Start building with UMA – docs.uma.me
Join the developer community – Discord
Need help? Reach out at hello@uma.me
The future of programmable money is here—start building today! 🚀
UMA is powered by Lightspark—the fastest, most open global payments network on Bitcoin. Learn more about Lightspark and how we’re building the infrastructure for seamless, borderless payments: https://www.lightspark.com/
