Payment Flow
Payment Types
Grid supports various types of payments:Transfer Destinations
- External Bank Accounts: Traditional fiat transfers via ACH, SEPA, Wire
- Other Smart Accounts: Direct blockchain transfers
- Blockchain Addresses: Direct Solana address transfers
- New External Accounts: Create and transfer to new bank accounts
Payment Rails
- ACH: US domestic transfers
- SEPA: European transfers
- Wire: International transfers
- Solana: Direct blockchain transfers
Intent Components
Each payment intent includes:- Amount: Transfer amount in specified currency
- Source: Origin account details
- Destination: Target account or address
- Currency: USD, EUR, GBP, USDC, SOL
- Payment Rail: Transfer method
- Webhook URL: Optional status notifications
Authorization Requirements
Payment intents require authorization based on your account’s policies. The required signatures depend on your account’s threshold and signer permissions.Important Notes
- Payment intents expire after a specified time period
- Larger amounts may require additional verification
- Cross-border transfers have different processing times
- Webhook notifications provide real-time status updates