{"uid":"cap_ChiYEC9udBqzh15JYa1mI","slug":"aether-base-onchain-data-token-risk-d779c2b8","name":"Aether Base Onchain Data & Token Risk","description":"Pay-per-call Base onchain data, token risk verdicts and x402 payability audits over x402 (USDC on Base).","url":"https://aether-x402.vercel.app/v1/base/call?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"to":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$"},"data":{"type":"string","pattern":"^0x[0-9a-fA-F]*$","maxLength":20000},"from":{"type":"string","pattern":"^0x[0-9a-fA-F]{40}$"},"value":{"type":["string","integer"],"pattern":"^[0-9]+$"}}},"responseSchema":{"type":"json","example":{"result":"0x...","success":true}},"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":"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_V29Q5AyefXn4thdBKWu4L","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":"Executes Base blockchain eth_call operations to retrieve onchain data, token risk verdicts, and x402 payability audits, paid per-call in USDC via x402.","exampleAgentPrompt":"Can you call the Base smart contract at 0xabcdef1234567890abcdef1234567890abcdef12 with calldata 0x70a08231000000000000000000000000abcdef1234567890abcdef1234567890abcdef12 and tell me what it returns, plus whether the token passes risk checks?","exampleUseCases":[{"title":"Token safety check before DeFi trade","prompt":"Before I swap into this Base token at 0x4200000000000000000000000000000000000006, can you run a risk audit on it and tell me if it's safe — any honeypot or rug flags?"},{"title":"Read onchain balance via contract call","prompt":"Query the Base ERC-20 contract at 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 to get the token balance for wallet 0xd8da6bf26964af9d7eed9e03e53415d37aa96045 — give me the raw hex result."},{"title":"Audit contract for x402 payment support","prompt":"Check whether the contract at 0x3c499c542cef5e3811e1192ce70d8cc03d5c3359 on Base is compatible with x402 payments and give me the payability verdict."}],"resultDescription":"Returns a JSON object with a hex-encoded result field (the raw eth_call return data) and a boolean success flag. May also include token risk verdict (safe/warning/danger classification) and x402 payability audit status for the queried contract address.","failureModes":["Invalid contract address format — must be 0x-prefixed 40 hex chars","Malformed calldata hex string — rejected before execution","Contract call reverts onchain — success: false returned","Payment failure via x402 — USDC balance insufficient or payment not accepted","Contract does not exist at address — empty result returned","Rate limiting or service unavailability on aether-x402.vercel.app","Network congestion on Base causing slow or failed RPC responses"],"whenToPreferThis":"Choose this endpoint when an AI agent needs to query live Base blockchain state (e.g. token balances, contract reads), assess token risk before a DeFi interaction, or verify x402 payability of a contract — all in a single pay-per-call API that accepts USDC micropayments via x402 without requiring an RPC key or separate risk API subscription. Prefer this over raw RPC endpoints when you also need bundled risk scoring, and over generic token screeners when you need arbitrary calldata execution.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:41:09.428Z","isFirstParty":false,"canonicalSlug":"aether-base-onchain-data-token-risk-d779c2b8"}