# WebUPI x Web3 Bridge

- [Introduction](/webupi-protocol/webupi-x-web3-bridge/introduction.md)
- [Get Started](/webupi-protocol/webupi-x-web3-bridge/get-started.md)
- [webUPI.sendPaymentToLightning()](/webupi-protocol/webupi-x-web3-bridge/get-started/webupi.sendpaymenttolightning.md)
- [webUPI.requestLightningInvoice()](/webupi-protocol/webupi-x-web3-bridge/get-started/webupi.requestlightninginvoice.md)
- [Upgrades](/webupi-protocol/webupi-x-web3-bridge/upgrades.md)