YC S26 · #13 Software for Agents
●NVIDIA NIM · x402 demo (simulated settlement)
AI agents will spend trillions of dollars.
They need brakes.
Give an AI agent a USDC budget and a per-call cap. Watch it discover x402-paid APIs, pay as it works, and stop cold when the limit is hit. The first agent wallet with hard spend limits.
x402 protocolUSDC on BaseAgentGuard limitsLlama 3.3 70B reasoning
Total budget$1 USDC
$0.10$5.00
Per-call cap$0.05 USDC
$0.01$0.50
Built in public · YC S26 RFS slot #13 of 16
One developer building a working demo for every YC Summer 2026 Request for Startups. No pitch decks, no waitlists.