Crypto-to-Card Payment
Infrastructure
Convert crypto to spendable virtual cards instantly. Accept payments in USDT, USDC, ETH, and 150+ cryptocurrencies. Settle anywhere Visa is accepted.
Multi-Chain Support
Accept payments from Ethereum, BSC, Polygon, Arbitrum, and 15+ blockchain networks with automatic conversion.
DeFi-Ready Infrastructure
No KYC required - instant approval with on-chain KYT compliance. Integrate with your DeFi protocol or dApp in minutes.
Instant Crypto-to-Card
Convert USDT, USDC, ETH, BTC to spendable cards in seconds. Real-time settlement with competitive rates.
Complete Crypto Payment Infrastructure
Multi-chain support, DeFi integration, and institutional-grade security for Web3-native businesses
Issue virtual cards instantly via API. Fund with crypto and spend anywhere Visa is accepted globally.
Support for USDT, USDC, ETH, BTC, and 150+ cryptocurrencies across 15+ blockchain networks with instant conversion.
RESTful API with Web3 wallet integration, smart contract support, and real-time blockchain event webhooks.
Accept crypto payments and instantly convert to spendable cards. Support for stablecoins and major tokens.
Real-time transaction tracking, blockchain explorer integration, and automated reconciliation with gas optimization.
Know-Your-Transaction monitoring with on-chain risk scoring, AML screening, and regulatory compliance.
Connect with DeFi protocols, DEX aggregators, and liquidity pools. Support for smart contract interactions.
JavaScript, Python, and Solidity SDKs with Web3.js/Ethers.js integration and MetaMask support.
Seamless Integration Process
From onboarding to global operations in weeks, not months
Quick Sign Up
Just email, username, and password. No KYC means approval in under 5 minutes - not days or weeks.
Instant Card Issuance
Receive your virtual card immediately after signup. Ready to use in under 2 seconds.
Start Transacting
Top up with crypto and start spending globally. Full KYT compliance without KYC delays.
Web3-Native API Platform
Crypto-to-card infrastructure with multi-chain support, smart contract integration, and real-time blockchain webhooks.
- Multi-chain support: Ethereum, BSC, Polygon, Arbitrum, and 15+ networks
- Real-time blockchain webhooks with transaction confirmation tracking
- Web3 wallet integration with MetaMask, WalletConnect, and Coinbase Wallet
curl -X POST \
https://api.uweb3bank.com/v1/cards \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"type": "virtual",
"currency": "USD",
"funding_source": "crypto",
"crypto_currency": "USDT",
"amount": 100.00,
"network": "ethereum"
}'curl -X POST \
https://api.uweb3bank.com/v1/cards/:id/topup \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"amount": 50.00,
"crypto_currency": "USDC",
"network": "polygon"
}'Institutional-Grade Security
Bank-level security infrastructure with comprehensive compliance and regulatory certifications
PCI-DSS Level 1
Highest level of payment card industry compliance and certification
SOC 2 Type II
Independently audited security controls and data protection
No KYC Required
Privacy-first approach with KYT (Know Your Transaction) compliance
Multi-Jurisdiction
Licensed and regulated in 100+ countries worldwide
ISO 27001
International standard for information security management
99.99% Uptime
Enterprise SLA with redundant infrastructure and failover