{"success":true,"preview":true,"preview_truncated":true,"preview_mode":"live_contract_proof","preview_note":"The live source completed successfully. This preview shows the request and paid response shape, but withholds decision-ready values. Purchase once to receive the complete current result.","live_proof":{"source":["ethereum public JSON-RPC","CoinGecko simple price API"],"fetched_at":"2026-09-17T12:48:58.651Z","data_mode":"live_source","top_level_fields":["success","source","fetched_at","note","wallet","network","assets","estimated_total_usd"],"response_shape":{"type":"object","fields":{"success":{"type":"boolean"},"source":{"type":"array","live_item_count":2,"items":{"type":"string"}},"fetched_at":{"type":"string"},"note":{"type":"string"},"wallet":{"type":"string"},"network":{"type":"string"},"assets":{"type":"array","live_item_count":2,"items":{"type":"object","fields":{"symbol":{"type":"string"},"balance":{"type":"number"},"usd_price":{"type":"number"},"estimated_usd_value":{"type":"number"}},"fields_truncated":false}},"estimated_total_usd":{"type":"number"}},"fields_truncated":false}},"request":{"method":"GET","path":"/api/v1/wallet_portfolio","parameters":{"address":"0xd8da6bf26964af9d7eed9e03e53415d37aa96045","chain":"ethereum"}},"purchase":{"price_usdc":"0.003","method":"GET","url":"https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/wallet_portfolio","protocol":"x402 v2 exact, USDC on Base mainnet","how":"Repeat this request without preview=true, read the PAYMENT-REQUIRED header, sign it, and retry with PAYMENT-SIGNATURE."},"marketplace_metadata":{"data_mode":"live_source","billable":true,"availability":"operational","source":"public EVM JSON-RPC and CoinGecko"}}