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MetaMask
Mobile
Multichain API

wallet_scanQRCode

Summary: Requests that the user scan a QR code.

Requests that the user scan a QR code using their device camera. Introduced by EIP-945.

Parameters

regex string

A regular expression (regex) string for matching arbitrary QR code strings.

Returns

A string corresponding to the scanned QR code. If a regex string is provided, the resulting string matches it. If no regex string is provided, the resulting string matches an Ethereum address. If neither condition is met, the method returns an error.
ScanQRCodeResult string

A string corresponding to the scanned QR code. If a regex string is provided, the resulting string matches it. If no regex string is provided, the resulting string matches an Ethereum address. If neither condition is met, the method returns an error.

Customize request
Parameter
Value
string
Connect your MetaMask wallet to run requests successfully.
Request
await window.ethereum.request({
 "method": "wallet_scanQRCode",
 "params": [],
});