crypto-pay-js

Check incoming USDT (TRC20) payments to a wallet, and generate a QR code so a client can pay you. No API key, no sign-up, zero dependencies, Node.js — the npx port of crypto-pay-cli for anyone who'd rather not have Python installed.

npx github:kleogeos/crypto-pay-js check TSomeAddressHere

      338.00 USDT  2026-08-10 20:43 UTC  from TLY8r7...  tx=b4473970...
      118.00 USDT  2026-06-10 16:14 UTC  from TLY8r7...  tx=4d854802...

Install (optional)

npm install -g github:kleogeos/crypto-pay-js
crypto-pay check TSomeAddressHere

Check for a specific invoice

npx github:kleogeos/crypto-pay-js check TSomeAddressHere --min 15 --since 2026-10-14

Filters out everything smaller than the invoice amount and everything older than the invoice date — the common case of "did my client's payment land yet."

Generate a receive QR code

npx github:kleogeos/crypto-pay-js qr TSomeAddressHere --amount 15

Prints a URL to a QR code image your client can scan from a wallet app. Drop it on an invoice page or in a chat.

Options — check

| Flag | Default | Meaning | |---|---|---| | address | required | Wallet address to check | | --token | usdt | Known token name | | --contract | — | Override: raw TRC20 contract address, for other tokens | | --min | — | Only show transfers at or above this amount | | --since | — | Only show transfers after this ISO date | | --limit | 20 | Max transfers to fetch | | --json | off | Output as JSON instead of text |

Options — qr

| Flag | Default | Meaning | |---|---|---| | address | required | Wallet address to receive payment | | --amount | — | Optional amount hint embedded in the QR payload |

Where this fits

Same output, same fields, as the Python original crypto-pay-cli — this port is for anyone whose toolchain is Node.js rather than Python.

More free tools: Freelancer Toolbox.

Tests

node test.js