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Grid provides a UMA Test Wallet to help you test UMA payment flows with a real counterparty. The UMA Test Wallet is an external tool that demonstrates UMA payment flows end to end and gives you a realistic counterparty for development and QA. It helps you understand flows through hands-on interaction, explore recommended UX patterns, and develop against a live UMA FI.
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Launch Test Wallet

Open the hosted test wallet to try UMA flows in your browser.
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GitHub Repository

Browse the code, file issues, and contribute improvements.

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What UMA Test Wallet can do

  • Experience UMA flows: Send and receive cross currency UMA payments
  • Preview UX best practices: See recommended entry points, confirmations, and error handling.
  • Develop and test: Use the wallet as a counterparty FI when building UMA integrations
For background on UMA itself, see the UMA Standard: UMA Standard—Introduction.
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