What is Superbank?
Superbank provides liquidity and infrastructure in an API for PSPs, neobanks, and asset managers to enable instant settlement.Core Products
Liquidity Settlement
Transfer stablecoins from prefunded accounts to destination wallets instantly.
On-Ramp
Convert fiat currency to stablecoins (coming soon).
Off-Ramp
Convert stablecoins to fiat currency (coming soon).
Webhooks
Real-time notifications for payment events.
Platform Architecture
Key Concepts
Your Account
Your Superbank account includes:- API keys for authentication
- Prefunded accounts for stablecoin holdings
- Webhook subscriptions for event notifications
Accounts
Accounts are digital wallets that hold stablecoins:- Prefunded Accounts: Your organization’s wallet, funded in advance for settlements
- External Accounts: Destination wallets belonging to your end users
Payments
Payments represent transfers of stablecoins:- LIQUIDITY: Transfer from your prefunded account to an external wallet
Webhooks
Webhooks deliver real-time notifications when events occur (payment completed, failed, etc.).Environments
| Environment | Base URL | Purpose |
|---|---|---|
| Sandbox | api-sandbox.superbank.com | Development and testing |
| Production | api.superbank.com | Live transactions |
Sandbox uses testnet tokens with no real value.
Supported Chains and Currencies
Chains
| Chain | Network | Status |
|---|---|---|
| Solana | Mainnet/Devnet | Active |
| Ethereum | Mainnet/Sepolia | Active |
| Polygon | Mainnet/Amoy | Active |
| Base | Mainnet/Sepolia | Active |
| Tron | Mainnet/Shasta | Active |
Currencies
| Currency | Type | Description |
|---|---|---|
| USDC | Stablecoin | USD Coin - primary settlement currency |
Security
Superbank implements multiple security layers:- API Key Authentication: All requests require a valid API key
- HTTPS: All traffic is encrypted in transit
- Webhook Signatures: Verify webhook authenticity with HMAC signatures
- Rate Limiting: Protect against abuse