Accept USDT0 (ERC-20)
on Polygon with an API.

Take USDT0 payments from customers and pay out in USDT0 on Polygon: a deposit address for every customer, deposits credited once they're final, and payouts your own team approves. The keys stay in hardware enclaves you can verify.

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USDT0 on Polygon

The details.

NetworkPolygon · ERC-20 token
Contract0xc2132D05D31c914a87C6611C10748AEb04B58e8F View on explorer
Only this contract is accepted as USDT0 on Polygon: look-alike tokens sent to your customers' addresses are ignored.
Decimals6 (amounts in the API are whole numbers of the smallest unit)
DepositsA deposit counts once it is 64 blocks deep and its block is still part of the chain. If a reorganization removes it, it's never credited.
Minimum withdrawal10 USDT0
Network feesNetwork fees are paid in POL. Your gas wallet can top up the POL that token payouts and sweeps need, within a daily cap you set.
AddressesEvery wallet has one EVM address (0x…), the same on Ethereum, BNB Chain, Base, Polygon and Lisk. A customer can send any supported coin on any of those networks to it.
Asset id in the APIUSDT-POLYGON

For developers

Deposit addresses and payouts in a few lines.

import { Valtu, depositAddress } from "@valtu/wallet-kit";
const valtu = Valtu.fromEnv();

// A deposit address for one of your customers (idempotent).
const wallet = await valtu.wallets.forCustomer("cus_42");
const address = depositAddress(wallet, "polygon");

// A payout of 25.50 USDT0: retries never send twice.
const amount = await valtu.assets.toBaseUnits("USDT-POLYGON", "25.50");
await valtu.transfers.create({ walletId: payoutWalletId, asset: "USDT-POLYGON", amount, to, externalId: "payout_981" });

Python: pip install valtu, same calls (valtu.wallets.for_customer, valtu.transfers.create). Full guide: integration.

Related

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