{"uid":"cap_7cE8UeNXpG-zwZwbNk-c5","slug":"soren-erc-20-total-supply-reader-bd5a645e","name":"Soren ERC-20 Total Supply Reader","description":"Read an ERC-20 total supply with symbol, decimals and a formatted amount, live from Base mainnet, for a fraction of a cent. No API key, no account — a wallet is the only requirement, and you are charged only if the read succeeds. Plain unsigned data; the attested version of chain reads is /v1/oracle/onchain. Answers are read at the moment of the call and stamped with the block they came from where applicable.","url":"https://soren.com/v1/chain/supply","method":"GET","headers":{},"bodySchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","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","examples":["0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"],"description":"The ERC-20 contract address."}}}},"additionalProperties":false}}},"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_I9oygVI6HRXAW8U0_fnJb","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 total supply, symbol, decimals, and formatted amount for any ERC-20 token contract live from Base mainnet, charged per successful read via x402.","exampleAgentPrompt":"What's the current total supply of the USDC token at contract address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base mainnet — give me the symbol, decimals, and formatted amount?","exampleUseCases":[{"title":"DeFi token supply monitoring","prompt":"Check the live total supply of the token at 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 on Base mainnet and tell me the formatted amount along with its symbol and decimals."},{"title":"Token metadata enrichment for portfolio tracker","prompt":"I need the symbol, decimals, and total supply for the ERC-20 contract 0x4200000000000000000000000000000000000006 on Base — pull it live from the chain."},{"title":"Verifying newly deployed token supply","prompt":"Can you look up the on-chain total supply of the ERC-20 I just deployed at 0xAbCd1234... on Base and confirm the symbol and how many decimals it uses?"}],"resultDescription":"Returns the token symbol, number of decimals, raw total supply (as a big integer string), and a human-formatted supply amount, along with the block number the data was read from on Base mainnet.","failureModes":["Invalid or non-ERC-20 contract address returns an error or found:false","Contract address on a different chain (not Base mainnet) will not resolve correctly","Payment not fulfilled results in no charge and no data returned","Network congestion may cause delayed block reads","Zero-supply or paused tokens may return unexpected zero values"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, no-account, pay-per-read lookup of ERC-20 supply data directly from Base mainnet. It is ideal for agents that occasionally need live on-chain token metadata without maintaining RPC infrastructure or API keys. Prefer the attested /v1/oracle/onchain endpoint instead if you need a cryptographically signed proof of the supply value.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:47:36.080Z","isFirstParty":false}