{"error":"Payment Required","message":"AI agent access requires payment via x402 protocol, API key, or Stripe.","x402Version":2,"documentation":"https://free3d.io/x402/docs.html","pricing":"https://free3d.io/x402/pricing.json","how_to_pay":"Option 1 (recommended): Purchase API key for persistent access. Option 2 (gasless): Sign EIP-3009 authorization. Option 3 (legacy): Send USDC/USDT/PYUSD. See documentation for details.","x402v2_accepts":[{"scheme":"exact","network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","payTo":"0x51d1e2e73f41c4f15013d44Fbc5C48B86baD1638","amount":"1000000","maxTimeoutSeconds":300,"extra":{"name":"USDC","version":"2"}},{"scheme":"exact","network":"eip155:1","asset":"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48","payTo":"0x51d1e2e73f41c4f15013d44Fbc5C48B86baD1638","amount":"1000000","maxTimeoutSeconds":300,"extra":{"name":"USDC","version":"2"}},{"scheme":"exact","network":"eip155:1","asset":"0x6c3ea9036406852006290770BEdFcAbA0e23A0e8","payTo":"0x51d1e2e73f41c4f15013d44Fbc5C48B86baD1638","amount":"1000000","maxTimeoutSeconds":300,"extra":{"name":"PayPal USD","version":"1"}}],"payment_options":[{"protocol":"x402","version":"legacy","amount":"1.00","currency":"USD","accepted_tokens":["USDC","USDT","PYUSD"],"wallets":{"base":"0x51d1e2e73f41c4f15013d44Fbc5C48B86baD1638","ethereum":"0x51d1e2e73f41c4f15013d44Fbc5C48B86baD1638","polygon":"0x51d1e2e73f41c4f15013d44Fbc5C48B86baD1638","arbitrum":"0x51d1e2e73f41c4f15013d44Fbc5C48B86baD1638","avalanche":"0x51d1e2e73f41c4f15013d44Fbc5C48B86baD1638","bnb":"0x51d1e2e73f41c4f15013d44Fbc5C48B86baD1638","solana":"HjoWkMShHU14cjM2jzxXRaAbDdHXPD747HbwpS686YYu","tron":"TS9bfm4rJDxzdTSQB4YPEYgy4b4KNejoWY","ton":"UQBd1I7ByCuTI0t9LUNjix2U2xXXSwil6k1jJJ67trP9E6tp"},"resource_id":"/?page=481%3Fpage%3D721","expires_at":1775246439,"how_to_pay":"Send tokens to wallet address, then retry with header: X-Payment: <tx_hash>:<network>"},{"protocol":"stripe","payment_url":"https://buy.stripe.com/7sY4gsbMKdZwfx39Sq0oM00","amount":"1.00","currency":"USD"}],"model_id":"/?page=481%3Fpage%3D721"}