Link & QR Builder
Generate ERC‑681 payment request URIs for native transfers and ERC‑20 transfers. Reality check: wallet support is inconsistent — use the adoption table to pick the safest format.
Inputs
Wallet behavior differs — test on target wallets
Optional (@chainId)
0x… address or ENS name
We’ll encode as scientific wei (e18)
Encoded value (wei)
—
Output
QR Code
Provide required fields to generate a QR code.
Tip: for in‑person payments, use native transfers for the most consistent wallet support. Token transfers and contract calls can break depending on the wallet and chain.