{"uid":"cap_3z4JjU49SoF2g3jFyv4tY","slug":"xx402-base-rpc-risk-preflight-c5b55f8f","name":"xx402 Base RPC Risk Preflight","description":"Paid Base token, wallet, DeFi, chain-read, x402 buyer/seller discovery, and specialized Bitcoin 15-minute Up/Down prediction-market data packets for autonomous agents and risk tools.","url":"https://x402.xx402.icu/api/base-rpc-risk-preflight?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"keys":["summary","bot_execution_plan","micro_check_plan","recommended_micro_calls","low_cost_entry_pack","upgrade_path","rpc_preflight_decision","account_state","token_state","transfer_window","tx_receipt","priority_queue","risk_breakdown","review_queue","avoid_queue","bucket_counts","follow_up_routes","next_products","risk_flags","source_status","sources","not_financial_advice"],"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_l0NmBvGaYiOOPfAXi7imQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a risk preflight check on a Base/EVM address, token, and optional transaction hash, returning account state, token state, transfer history, risk flags, and DeFi routing recommendations.","exampleAgentPrompt":"Before I send funds, can you run a risk preflight on Base wallet 0xba76c7ECa175f67cFcE475c09498f840176bf497 for USDC token 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913, checking the last 600 blocks with up to 6 recent transfers, and tell me if it's safe to proceed?","exampleUseCases":[{"title":"Pre-payment wallet safety check","prompt":"Before my agent sends 500 USDC on Base to 0xba76c7ECa175f67cFcE475c09498f840176bf497, can you run a risk preflight on that address using the default USDC token and flag any suspicious activity in the last 600 blocks?"},{"title":"DeFi spender allowance exposure audit","prompt":"I want to check the allowance exposure for spender 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on wallet 0xba76c7ECa175f67cFcE475c09498f840176bf497 on Base — give me the full risk breakdown including any red flags."},{"title":"Transaction receipt risk inspection","prompt":"Can you inspect Base transaction 0x4a1b2c3d4e5f6789abcdef0123456789abcdef0123456789abcdef0123456789ab and tell me if it succeeded, which addresses were involved, and whether there are any risk flags I should know about?"}],"resultDescription":"Returns a JSON object containing a risk summary, bot execution plan, micro check plan, recommended micro calls, low-cost entry pack, upgrade path, RPC preflight decision, account state, token state, transfer window (recent ERC20 transfers), transaction receipt (if tx_hash provided), priority/review/avoid queues, risk breakdown, bucket counts, follow-up routes, next product suggestions, risk flags, source status, and a not-financial-advice disclaimer.","failureModes":["Invalid EVM address format returns a validation error","Invalid or non-existent transaction hash returns empty tx_receipt","window_blocks outside 50-5000 range rejected with parameter error","transfer_limit above 20 rejected with parameter error","Payment not attached or insufficient USDC triggers 402 response","Base RPC node unavailability may cause partial or empty source_status fields","Unknown or undeployed token address may return empty token_state"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive on-chain risk assessment for a Base/EVM address before routing funds, executing a DeFi transaction, or approving a spender — particularly when you want combined account state, token transfer history, allowance checks, and routing recommendations in a single $0.01 call. Prefer this over generic blockchain explorers when you need agent-ready structured risk output with priority/review/avoid queues and follow-up routing suggestions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T09:27:28.379Z","isFirstParty":false,"canonicalSlug":"xx402-base-rpc-risk-preflight-c5b55f8f"}