A stable USDT payment endpoint for cross-border merchants, e-commerce, digital services, and global enterprises. Once your customer pays, funds skip every platform escrow and land in your own on-chain wallet directly.
A fit for any cross-border receivable scenario — built to grow your global business.
Fits external trade, B2B trade, overseas client settlement — fast and safe.
Plugs into Shopify, WooCommerce; payment success auto-confirms and ships faster.
Software services, memberships, online courses for users worldwide.
Multi-customer, multi-order management; batch receivables and reconciliation.
Crypto-native businesses; multi-chain payments and on-chain confirmation alerts.
Faster, more reliable, and safer global receivables.
We never custody funds — once paid, USDT arrives at your bound wallet.
Automatically create orders, watch the chain, and call back into your system — no manual reconciliation.
TRC20, SOL, EVM and major USDT chains; covers different customer payment habits.
Webhook, Telegram, email — pick how you want to be told the moment payment lands.
No need for international cards or cross-border banking; fits global and digital businesses.
Every on-chain transaction is verifiable; only admins can configure — safe by default.
Five simple steps — fast-track to global receivables.
Fill in your USDT receive address — funds always go straight there.
POST amount, order ID and metadata to create a receivable.
Customer sends USDT to the address; the on-chain settlement starts.
UAPI watches the chain for confirmation.
On success, UAPI calls your system to complete the order flow.
curl -X POST https://uapi.io/api/v1/order/create.php \ -H "X-API-KEY: sk_live_your_api_key" \ -H "Content-Type: application/json" \ -d '{ "amount": 100.00, "chain": "trc20", "merchant_order_id": "ORD-001", "notify_url": "https://yoursite.com/callback", "domain": "yoursite.com" }'
Free to start; upgrade flexibly as your volume grows.
Five minutes to integrate. Let customers worldwide pay you in USDT.
