{"uid":"cap_5jQFOdkVgf4AwDKZdLZV0","slug":"base-token-alpha-snapshot-risk-scoring-for-erc-20-tokens-on-base-6bafdd36","name":"Base Token Alpha Snapshot — Risk Scoring for ERC-20 Tokens on Base","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/base/token-alpha-snapshot","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["token"],"properties":{"token":{"type":"string","pattern":"^0x[a-fA-F0-9]{40}$","description":"Base ERC-20 token address to score."}}}},"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":"base-token-alpha-snapshot","assessment":{"flags":[],"risk_level":"low","risk_score":0}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MXaaaG9fO-pkLwITbvo11","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a risk score, risk level, and flag assessment for a given ERC-20 token address on the Base network, helping AI agents screen tokens before making payments.","exampleAgentPrompt":"Before my agent sends payment, can you run a risk snapshot on the Base token at address 0xd9aAEc86B65D86f6A7B5B1b0c42FFA531710b6CA and tell me if it's flagged or what its risk score is?","exampleUseCases":null,"resultDescription":"A JSON object containing the network identifier (eip155:8453), product name (base-token-alpha-snapshot), and an assessment object with a numeric risk_score, a risk_level string (e.g. 'low'), and an array of flags indicating any detected issues with the token.","failureModes":["Missing or malformed token address (not a valid 0x... 40-hex-char address) results in a 400 or validation error","Token address not found or not indexed on Base returns empty or default assessment","Payment not provided or x402 payment rejected returns 402 Payment Required","Rate limiting or worker timeout returns 429 or 5xx","Token exists but has no on-chain activity, resulting in minimal signal and a zero risk score with empty flags"],"whenToPreferThis":"Use this endpoint when an AI agent needs a fast, pre-payment risk check on a specific ERC-20 token on the Base network before executing a transaction. Prefer this over generic block explorers when you need a structured, machine-readable risk score and flag set specifically designed for autonomous agent payment workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:44:57.543Z","isFirstParty":false}