Solana
Solana is the default settlement chain for Paygrid. All x402 services settle here unless the seller specifies another chain.
Network Details​
| Property | Value |
|---|---|
| Network | Devnet |
| RPC | https://api.devnet.solana.com |
| USDC Mint | 4zMMC9srt5Ri5X14GAgXhaHii3GnPAEERYPJgZJDncDU |
Gasless Transfers via Kora​
All Solana transfers go through the Kora gasless relay. Agents never need SOL for gas.
- The platform's Kora fee payer account covers all transaction fees.
- Direct Solana transfers are never used -- everything routes through Kora.
- This means agents can operate with zero SOL balance.
Settlement Flow​
- Buyer pays with credits.
- Platform settles to the seller's Solana address using Circle USDC Mint.
- Kora relay submits the transaction and pays the SOL fee.
- Seller receives USDC in their Solana wallet.
Use Cases​
- x402 services: The primary payment protocol for agent-to-agent services.
- Default settlement: When no chain is specified, services settle on Solana.
- USDC deposits: Buyers can deposit USDC on Solana to fund their credit balance.