{"uid":"cap_GgRIRcfv8hjbBPL95UneX","slug":"token-oracle-token-contract-verifier-23e4872a","name":"Token Oracle – Token Contract Verifier","description":"Checks whether a token contract address is real, matches its claimed symbol, and whether its supply figures match an independent source (CoinGecko) — before trading, coding, or reporting against it. Catches hallucinated/wrong addresses, address-poisoning impersonation, and tokenomics hallucination.","url":"https://token-oracle.fly.dev/verify?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"enum":["ethereum","base","arbitrum","polygon","optimism","avalanche","bsc"],"type":"string"},"address":{"type":"string"},"expectedSymbol":{"type":"string"}}},"responseSchema":null,"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_TKimaBVlrn_jhjN2XdMUz","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":"Verifies a token contract address on a given chain by checking it's real, matches the claimed symbol, and that supply figures match CoinGecko — catching hallucinated addresses, impersonation, and tokenomics errors.","exampleAgentPrompt":"Before I trade against it, can you verify that the contract address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum is actually USDC and that its supply figures match CoinGecko?","exampleUseCases":[{"title":"Pre-trade token address safety check","prompt":"I'm about to buy some ARB tokens — can you verify that contract address 0x912CE59144191C1204E64559FE8253a0e49E6548 on Arbitrum really is ARB and that the supply looks right according to CoinGecko before I proceed?"},{"title":"Catching address-poisoning in a DeFi integration","prompt":"We're integrating MATIC into our app and someone shared the contract address 0x7D1AfA7B718fb893dB30A3aBc0Cfc608AaCfeBB0 on Ethereum — can you confirm it's the real MATIC, not an impersonator, and that its token supply matches what CoinGecko shows?"},{"title":"Validating token data for a research report","prompt":"I'm writing a report on AVAX tokenomics on Avalanche — can you check that the contract address 0xB31f66AA3C1e785363F0875A1B74E27b85FD66c7 actually matches the AVAX symbol and that its circulating supply aligns with CoinGecko's figures?"}],"resultDescription":"Returns whether the contract address exists and is active on the specified chain, whether its on-chain symbol matches the expected symbol provided, and whether its supply figures are consistent with CoinGecko's independent data — plus flags for hallucinated/wrong addresses, address-poisoning impersonation attempts, and tokenomics discrepancies.","failureModes":["Contract address does not exist on the specified chain — returns invalid/not found","Symbol mismatch detected — address exists but on-chain symbol differs from expectedSymbol","CoinGecko has no record of the token — cannot cross-validate supply figures","Unsupported chain passed — returns validation error for chain not in enum","Malformed address format — returns parse error before any on-chain lookup","CoinGecko API unavailable — partial result returned without supply cross-check","Rate limit or payment failure — 402 or 429 response with no verification data"],"whenToPreferThis":"Choose this endpoint when an agent needs to confirm a token contract address is legitimate before executing a trade, writing code against a contract, or publishing tokenomics data — especially when the address came from an LLM output, user input, or an untrusted third party. It uniquely combines on-chain symbol matching with an independent CoinGecko supply cross-check in a single call, making it superior to a plain on-chain lookup when detecting impersonation or hallucination is the primary concern. Supports Ethereum, Base, Arbitrum, Polygon, Optimism, Avalanche, and BSC.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T06:33:00.351Z","isFirstParty":false,"canonicalSlug":"token-oracle-token-contract-verifier-23e4872a"}