{"uid":"cap_CL3CNJT-S_f6zYRzr9IxJ","slug":"agent-buyer-identity-preflight-x402-purchase-governance-quicknode-25472299","name":"Agent Buyer Identity Preflight | x402 Purchase Governance (QuickNode Wallet Execution Readiness)","description":"Machine-payable service intelligence for discovering, verifying, and monitoring identity, risk, authorization, execution-preflight, and evidence APIs before autonomous agents spend.","url":"https://base-agent-preflight.bytoken2023.workers.dev/v1/x402/quicknode/wallet-execution-readiness","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["address"],"properties":{"address":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$"},"gas_limit":{"type":"string","pattern":"^[0-9]+$"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"network":{"type":"string"},"product":{"type":"string"},"activity":{"type":"object"},"identity":{"type":"object"},"assessment":{"type":"object"},"provenance":{"type":"object"}}}}}}},"responseSchema":{"type":"json","example":{"network":"eip155:8453","product":"quicknode-wallet-execution-readiness","assessment":{"flags":[],"risk_level":"low","risk_score":0}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_QytFjGPofOngK3p_K0i5F","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Performs a pre-purchase risk and identity check on an Ethereum wallet address to assess whether an AI agent is eligible to buy x402-gated QuickNode wallet-execution APIs or tools.","exampleAgentPrompt":"Before my agent buys the QuickNode wallet-execution-readiness API through x402, run a preflight identity check on wallet address 0xAbC1234567890abcdef1234567890abcdef123456 to make sure it's low-risk and approved.","exampleUseCases":[{"title":"Pre-purchase wallet risk screening","prompt":"My agent is about to pay for a QuickNode x402 API — first check whether wallet 0xDeF9876543210fedcba9876543210fedcba987654 is cleared to make that purchase and tell me the risk level."},{"title":"Autonomous agent spend policy enforcement","prompt":"Before my trading bot at address 0x1111111111111111111111111111111111111111 buys any x402 tools, I want a governance preflight to confirm it fits the buyer policy and doesn't have any risk flags."},{"title":"New wallet onboarding eligibility check","prompt":"I just set up a new agent wallet 0xAaAaAaAaAaAaAaAaAaAaAaAaAaAaAaAaAaAaAaAa — can you run the x402 purchase preflight check on it so I know if it's ready to start buying QuickNode APIs autonomously?"}],"resultDescription":"Returns a JSON object containing the network (e.g. eip155:8453 for Base), product identifier (quicknode-wallet-execution-readiness), and an assessment object with a risk_level (e.g. 'low'), numeric risk_score, and an array of flags. May also include identity and provenance sub-objects with additional wallet metadata.","failureModes":["Invalid or malformed Ethereum address (not matching ^0x[a-fA-F0-9]{40}$) returns a 400 or validation error","Wallet address not found or no on-chain history results in limited assessment data","Service unavailable or Cloudflare Worker timeout returns 5xx","Missing required 'address' query parameter causes request rejection","High-risk wallet returns elevated risk_score and populated flags array, potentially blocking purchase"],"whenToPreferThis":"Choose this endpoint when an AI agent needs a lightweight, fast governance check before executing an x402 micropayment for a QuickNode-specific wallet-execution API. Prefer it over generic wallet screening tools when operating in the x402 ecosystem on Base (EIP-155:8453) and when the product category is QuickNode wallet execution readiness. Best used as a pre-flight gate in automated agent purchasing pipelines to enforce spend policies without requiring human approval.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:31:29.053Z","isFirstParty":false}