Exact-Match USDT Payments Without Custody
Accept USDT payments directly to your wallet. No private keys stored. No funds held. Deterministic invoice matching with webhook notifications.
Trusted by exchanges, trading platforms, and SaaS companies
Built for Predictable Payments
No partial matches. No custody risk. No guesswork. Just deterministic, verifiable USDT payments.
Non-Custodial
Your wallets. Your keys. We never store private keys or hold your funds.
Exact Match
Amount, address, and network must match exactly. No ambiguous partial payments.
Multi-Network
TRC20, ERC20, and BSC networks supported. Let customers pay on their preferred chain.
Webhook-Driven
HMAC-signed webhooks with automatic retries. Never miss a payment confirmation.
Simple Integration Flow
From invoice creation to payment confirmation in five clear steps.
Create Invoice
Call API with amount and asset code
Show Payment
Customer sees QR, address, exact amount
Customer Pays
Sends exact USDT amount from wallet
We Detect
Watchers verify exact match on-chain
Webhook Sent
You receive signed confirmation
Who Uses PayGate
Built for businesses that need reliable, predictable USDT payment infrastructure.
Crypto Exchanges
Accept USDT deposits with deterministic matching. No more manual reconciliation.
Trading Platforms
Fund accounts instantly. Exact amounts ensure correct balance credits.
SaaS Products
Accept crypto subscriptions without custody complexity or KYC overhead.
Marketplaces
Settle transactions in USDT. Direct to vendor wallets, no middleman holding funds.
Everything You Need
A complete payment infrastructure with the tools to monitor, manage, and scale.
Invoice Management
Create, track, and manage invoices with configurable expiry times. Each invoice gets a unique reference and payment page.
Wallet Management
Add multiple wallets per network. Set defaults, toggle active status. Full control over where payments go.
Webhook System
HMAC-SHA256 signed payloads. Automatic retries with exponential backoff. Full delivery logs.
Admin Dashboard
Monitor all invoices, transactions, and webhooks. Manage merchants. View system configuration.
Invoice Expiry
Configurable expiry windows from 5 minutes to 2 hours. Expired invoices handled automatically.
Test & Live Modes
Separate test and live API keys. Simulate payments in test mode with the sandbox API before going live.
Developer-First API
Clean endpoints, predictable responses. Get your integration running in minutes.
- API key authentication with Bearer token
- JSON request/response format
- Webhook signature verification examples
- Comprehensive error codes and messages
{
"invoice_reference": "ORDER-12345",
"status": "confirmed",
"asset_code": "USDT_TRC20",
"payout_address": "TXyz...",
"amount_usdt_exact": "100.0000",
"tx_hash": "abc123...",
"paid_at": "2024-01-01T12:15:00Z"
}Header: X-Webhook-Signature
HMAC-SHA256 of payload using your webhook_secret
Ready to Accept USDT Payments?
Get started in minutes. No credit card required. Free tier includes 100 invoices per month.