USDT payment API for game top-ups

Game platforms can use BoltUtil to create top-up orders, detect USDT transfers, and credit accounts after confirmation.

Built for: Fast checkout
Built for: Exact amount matching
Built for: Automatic crediting

Top-up order metadata example

POST /api/v1/order/create
X-Bolt-Key: bt_live_xxx
Content-Type: application/json

{
  "externalOrderId": "ORDER_2026_001",
  "amount": 199.00,
  "currency": "USDT",
  "network": "TRC20",
  "notifyUrl": "https://merchant.com/webhooks/boltutil",
  "returnUrl": "https://game.example.com/topup",
  "metadata": { "playerId": "p_889", "package": "gold_500" }
}

Game top-up flow

Best for game stores, credit shops, and digital entertainment platforms.

01
Create a payment order for the selected credit package.
02
Show the checkout page with QR code and exact amount.
03
Receive the confirmed webhook.
04
Credit the player balance in your own system.

Non-custodial settlement

Payments go to the merchant wallet you configure. BoltUtil monitors chain activity and does not need to hold user funds.

Three USDT networks

Accept USDT on TRC20, ERC20, and BEP20 with a single order API and unified webhook payload.

Webhook-first automation

Your system receives a signed callback when a transaction is detected and confirmed on-chain.

Questions merchants ask before going live

These answers help developers, founders, and support teams understand the payment lifecycle before accepting real USDT payments.

Does BoltUtil custody merchant funds? +

No. BoltUtil is designed as a non-custodial monitoring and notification layer. The merchant configures their own settlement wallet.

How does BoltUtil match a payment? +

The scanner matches network, destination address, exact USDT amount, order status, and expiration window before updating the order.

Which USDT networks are supported? +

The current production focus is TRC20, ERC20, and BEP20.

Related resources

/use-cases/digital-products

Launch a cleaner USDT payment flow

Create orders, monitor transfers, and notify your backend without asking customers to send screenshots.

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