Permit2 + EIP-2612 Gas Sponsoring Demo — forces the gasless Permit2 path so a fresh wallet holding USDC but ZERO ETH can complete the flow. The CDP facilitator submits the EIP-2612 permit and the Permit2 transfer atomically in a single transaction via x402ExactPermit2Proxy.settleWithPermit. The response carries the on-chain tx hash + Basescan link so callers can confirm the permit + transfer landed together. Pay $0.001 USDC on Base mainnet.
# 1. Ask the endpoint what it costs (no payment, no wallet needed): curl -i -X GET 'https://three.ws/api/x402/permit2-paid-demo' # -> HTTP/1.1 402 Payment Required # the response carries the price, asset and pay-to address. # 2. Pay and retry with any x402 client: npx x402-fetch 'https://three.ws/api/x402/permit2-paid-demo'
Endpoint: https://three.ws/api/x402/permit2-paid-demo. Operated by three.ws, not by Animica. Price and availability were correct at the last probe on 2026-08-27 and are set by the operator, who may change them.
Mint to Mesh (Batch) — resolve 1–10 Solana SPL mints to themed glTF (GLB) cubes in a single paid call instead of paying for N round-trips.
Model Check — an agent handed a 3D asset URL verifies it before using or paying for it: $0.001 USDC per call returns structural stats (vertex/triangle counts, m…