{"uid":"cap_PO2IYwh556-ZRQYAsyhTv","slug":"chainverdict-token-supply-api-46e8f4d9","name":"ChainVerdict Token Supply API","description":"x402 v2 pay-per-call. Unpaid requests receive HTTP 402 with payment requirements.","url":"https://chainverdict.xyz/v1/data/supply/%7Btoken%7D?utm_source=zero.xyz","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"},"pathParams":{"type":"object","required":["addr"],"properties":{"addr":{"type":"string","description":"ERC-20 contract address on Base"}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","additionalProperties":true}}}}},"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_PhxUdyGr8m3QJ4MJeQgDf","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":"Fetches the circulating or total supply data for an ERC-20 token by its contract address on Base","exampleAgentPrompt":"What's the total token supply for the ERC-20 contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base?","exampleUseCases":[{"title":"DeFi token supply verification","prompt":"Can you pull the current supply data for the USDC token at contract address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base so I can check its circulating supply?"},{"title":"Token analytics dashboard enrichment","prompt":"I'm building a dashboard — fetch the supply figures for the ERC-20 at 0x4200000000000000000000000000000000000006 on Base so I can show circulating supply stats."},{"title":"On-chain due diligence for new token","prompt":"Before I invest, can you look up the total supply for this new token at contract address 0xd9aAEc86B65D86f6A7B5B1b0c42FFA531710b6CA on Base?"}],"resultDescription":"Returns supply data for the specified ERC-20 token contract on Base, including metrics such as total supply and/or circulating supply figures as on-chain data.","failureModes":["Invalid or malformed ERC-20 contract address returns an error","Contract address not found on Base network returns empty or error response","Unpaid request returns HTTP 402 with x402 payment requirements","Non-ERC-20 contract address may return unexpected or empty supply data","Rate limiting or network issues may cause timeouts"],"whenToPreferThis":"Use this endpoint when you need on-chain token supply data specifically for ERC-20 contracts deployed on the Base network, and you are set up to handle x402 micropayments ($0.003 USDC per call). Prefer this over general blockchain explorers when you need programmatic, API-accessible supply data for Base tokens in an agent workflow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T00:30:05.121Z","isFirstParty":false,"canonicalSlug":"chainverdict-token-supply-api-46e8f4d9"}