POST /buy?amount=0.7667
Purchase IOU tokens with USDC on Base network (10% discount applied)
Requires X-PAYMENT header with x402 payment data
Instant settlement with automatic token delivery to payer address
Address: 0xdaE178A0858914C2a4F65A06DaC255e57f341691
Network: Base
Standard: ERC-20
1. Send POST request to /buy with optional amount parameter
2. Include x402 payment header with USDC on Base
3. Payment is verified via x402 facilitator
4. IOU tokens are instantly transferred to your wallet
5. Receive transaction hash in response