Shieldz is a free, non-custodial crypto payment gateway with $0 platform fees. Accept USDC/USDT across Base, Arbitrum, Optimism, Polygon, and Ethereum, plus native Bitcoin and shielded Zcash. Funds settle straight to your own wallet — Shieldz only watches the chain and never holds your keys or your money.
→ shieldz.cash · Docs · Is it safe?
| Language | Package | Repo |
|---|---|---|
| Node / TypeScript | @shieldz/sdk |
shieldz-sdk |
| Python | shieldz (PyPI) |
shieldz-python |
| Rust | shieldz (crates.io) |
shieldz-rust |
| PHP | shieldz/shieldz (Packagist) |
shieldz-php |
All SDKs are MIT-licensed, mirror the same surface (invoices + webhook verification), and ship with CI and signed releases.
npm install @shieldz/sdk