Accept USDT & USDC Payments Across 9 Networks
Built for Serious Business
Every feature designed for production workloads. From real-time polling to HD wallet derivation, we handle the blockchain complexity.
Real-time Blockchain Polling
Transactions detected within 3-5 seconds via continuous blockchain monitoring. Supports 19 confirmations on TRON, 15 on BSC, 12 on Ethereum.
HD Wallet Derivation
BIP39/BIP44 hierarchical deterministic wallets. Each payment gets a unique address derived from your master seed. No address reuse.
9 Blockchain Networks
TRC20, BEP20, ERC20, Polygon, Solana, Arbitrum, Base, Optimism, Avalanche. Accept USDT & USDC across all major chains.
Enterprise Security
HMAC-SHA256 API signatures, AES-256 wallet encryption, rate limiting, brute-force protection, and TOTP two-factor authentication.
Webhook Notifications
Instant payment status webhooks with automatic retry (up to 5 attempts). HMAC signature verification for every callback.
Multi-Store Management
Create up to 5 stores per account, each with separate wallets, webhook URLs, and independent statistics tracking.
Analytics Dashboard
Real-time revenue tracking, per-store breakdown, daily reports, transaction history, and fee settlement overview.
Auto-Sweep System
Automatically sweeps funds from deposit wallets to your platform wallet when threshold is reached. Zero manual intervention.
Go Live in Minutes
Four steps from registration to receiving your first crypto payment.
Register & Get API Keys
Create your merchant account in seconds. Receive your API Key, API Secret, and Webhook Secret instantly. No KYC required for testing.
Configure Your Wallets
Add USDT/USDC wallet addresses for each blockchain network. HD wallet derivation ensures unique addresses for every payment.
Integrate Our API
One POST request to create a payment. Include amount, currency, network, and callback URL. Full SDK support for Node.js, Python, PHP.
Receive & Settle
Customers pay to a unique wallet address. Our system detects, confirms, and notifies you via webhook. Funds settle directly to your wallet.
9 Blockchain Networks
Accept USDT and USDC on all major blockchain networks with optimized polling and confirmations.
Network fees are approximate and vary with blockchain congestion. CryptoAPI Auto platform fee is separate.
One API Call to Create a Payment
Our REST API is designed for simplicity. Create a payment with a single POST request and receive real-time status updates via webhooks. Full documentation with code examples.
// Create a payment order
const response = await fetch(
'https://api.cryptoapiauto.com/v1/payment/create',
{
method: 'POST',
headers: {
'Content-Type': 'application/json',
'X-API-Key': 'your_api_key',
'X-Timestamp': Date.now().toString(),
'X-Signature': hmacSignature,
},
body: JSON.stringify({
amount: 25.00,
currency: 'USDT',
network: 'trc20',
callbackUrl: 'https://you.com/webhook',
returnUrl: 'https://you.com/success',
metadata: { orderId: 'ORD-001' }
})
}
);
const { data } = await response.json();
// data.paymentUrl → redirect customer
// data.walletAddress → unique deposit address
// data.amountUnique → exact amount to payEnterprise-Grade Protection
Multiple layers of security at every level. Your funds and data are protected.
HMAC-SHA256 Signatures
Every API request signed with your secret key. Tamper-proof request verification.
AES-256 Encryption
All private keys and sensitive data encrypted at rest with military-grade encryption.
Two-Factor Auth (TOTP)
Google Authenticator compatible 2FA for both merchant and admin accounts.
Brute Force Protection
Automatic IP-based lockout after 5 failed attempts. 30-minute cooldown period.
Rate Limiting
Multi-tier rate limiting: 10/sec, 50/10sec, 200/min. Per-endpoint throttle control.
Audit Logging
Complete audit trail of all API calls, login attempts, and administrative actions.
Transparent Pricing
No hidden fees. Pay only for what you use. Upgrade as you grow.
Starter
For getting started
per completed transaction
- All 9 networks
- 60 API calls / minute
- Up to 5 stores
- 9 wallets per store
- $50,000 daily volume
- Webhook notifications
- Dashboard analytics
- Email support
Business
For growing businesses
per completed transaction
- Everything in Starter
- 200 API calls / minute
- Up to 20 stores
- Unlimited wallets
- $500,000 daily volume
- Priority webhook delivery
- Advanced analytics
- Priority support
Enterprise
For large operations
volume-based pricing
- Everything in Business
- Unlimited API calls
- Unlimited stores
- Unlimited volume
- Custom fee structure
- Dedicated account manager
- SLA guarantee
- White-label option
Withdrawal Fees by Network
Minimum withdrawal: 5 USDT · Maximum 3 withdrawals per day
Built for Every Business
From e-commerce to SaaS, our payment gateway adapts to your business model.
E-Commerce
Accept crypto payments on your online store. Seamless checkout integration with automatic order confirmation via webhooks.
Gaming & Digital
In-game purchases, digital goods, and subscription payments. Fast confirmation for instant delivery.
B2B Payments
Invoice-based crypto payments for business services. Large transaction support with custom fee structures.
Education & SaaS
Course payments, subscription billing, and recurring charges. Multi-currency support across 9 networks.
Frequently Asked Questions
How fast are payments confirmed?
Payment detection happens within 3-5 seconds of blockchain confirmation. TRON requires 19 confirmations (~1 min), BSC needs 15 (~1 min), and Ethereum requires 12 (~3 min). We notify you via webhook instantly upon confirmation.
What currencies and networks are supported?
We support USDT and USDC across 9 blockchain networks: TRON (TRC20), BSC (BEP20), Ethereum (ERC20), Polygon, Solana, Arbitrum, Base, Optimism, and Avalanche. Each network has different transaction fees and confirmation times.
How does the fee structure work?
The default transaction fee is 1% per completed payment. Withdrawal fees vary by network: TRC20 costs 1 USDT, BEP20 costs 0.5 USDT, and ERC20 costs 2 USDT. API service plans can offer reduced transaction fees. Minimum withdrawal is 5 USDT.
Do you hold my funds?
No. Payments are made directly to your configured wallet addresses using HD-derived unique addresses. Our auto-sweep system transfers funds to your platform wallet automatically. You maintain full custody of your funds at all times.
How secure is the platform?
We use HMAC-SHA256 for API authentication, AES-256 for encryption, BIP39/BIP44 for HD wallet derivation, TOTP-based 2FA, IP-based brute force protection, multi-tier rate limiting, and comprehensive audit logging.
Can I manage multiple stores?
Yes. Each merchant account can create up to 5 stores (configurable per plan). Each store has its own wallets, webhook URLs, and independent analytics. This is ideal for merchants operating multiple brands or websites.
Ready to Accept Crypto?
Join merchants using CryptoAPI Auto to process USDT/USDC payments securely across 9 blockchain networks.