{"uid":"cap_2331GiIMDVNnADVz_fJSm","slug":"vextorium-erc-20-token-supply-concentration-0ee83fce","name":"Vextorium ERC-20 Token Supply & Concentration","description":"558 pay-per-call data APIs for AI agents: Solana and EVM on-chain data, tokenized stocks, DeFi, Hyperliquid, economy and official statistics, FX, validation, web and developer tools. Pay in USDC via x402.","url":"https://api.vextorium.com/v1/token-supply?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"network":{"enum":["base","ethereum","arbitrum","optimism","polygon"],"type":"string"},"contract":{"type":"string"}}},"responseSchema":{"type":"json","example":{"name":"Pepe","owner":null,"token":"0x6982508145454Ce325dDbE47a25d4ec3d2311933","burned":6917544537127.74,"symbol":"PEPE","network":"ethereum","decimals":18,"burned_pct":1.6443,"total_supply":420689899645071.7,"circulating_approx":413772355107943.9}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_FGj9jHJWOMv4b48Np3asz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns total minted, burned, approximate circulating supply, and contract owner balance/share for any ERC-20 token — a concentration and issuer-control signal.","exampleAgentPrompt":"What's the total supply, burned amount, and owner concentration for the PEPE token at 0x6982508145454Ce325dDbE47a25d4ec3d2311933 on Ethereum?","exampleUseCases":[{"title":"Token burn rate due diligence","prompt":"Before I invest, can you check how much of the SHIB token has been burned and what percentage of the supply the contract owner holds on Ethereum?"},{"title":"DeFi protocol risk assessment","prompt":"I'm auditing this DeFi token on Base at contract 0xabc123… — can you tell me the total minted supply, how much has been burned to dead addresses, and whether the deployer still holds a large share?"},{"title":"Circulating supply verification for listing","prompt":"We're listing a new ERC-20 token on Arbitrum at address 0xdef456… and need the exact total supply, approximate circulating supply after burns, and the owner's current balance for our listing form."}],"resultDescription":"A JSON object containing the token's name, symbol, network, decimals, total supply, burned amount (tokens sent to dead addresses), burned percentage, approximate circulating supply, and — if applicable — the contract owner's address and balance/share, all as numeric and string fields.","failureModes":["Invalid or non-ERC-20 contract address returns an error or empty result","Unsupported network (not base, ethereum, arbitrum, optimism, or polygon) returns a validation error","Contract exists but has no detectable owner (owner field returns null)","Dead-address burn detection is approximate and may miss non-standard burn mechanisms","RPC latency on the target chain may cause timeout or stale data"],"whenToPreferThis":"Use this endpoint when you need a quick on-chain snapshot of an ERC-20 token's supply economics — especially total vs. circulating supply, burn metrics, and owner concentration risk — across the five major EVM networks (Ethereum, Base, Arbitrum, Optimism, Polygon). Prefer it over generic block explorer lookups when you want a pre-computed, structured concentration signal without writing custom RPC calls.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-19T12:45:51.918Z","isFirstParty":false,"canonicalSlug":"vextorium-erc-20-token-supply-concentration-0ee83fce"}