{"uid":"cap_tpxA6jz3CZ58pKhLddoPr","slug":"usdc-eurc-issuance-history-3fb9badc","name":"USDC & EURC Issuance History","description":"Daily Circle USDC or EURC history for one chain (Ethereum, Base, Arbitrum), up to 365 days: end-of-day supply, mints, burns, net issuance split CCTP / Gateway / other minters, control events and blacklist changes. Every day reconciles exactly (supply change = mints - burns); missing days are listed, never zero-filled. Use to chart stablecoin issuance and cross-chain flows. JSON, no API key. $0.01 per call. Blockchain IQ.","url":"https://www.blockchainiq.co/api/x402/v1/stablecoins/history?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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"},"queryParams":{"type":"object","properties":{"days":{"type":"integer","default":30,"maximum":365,"minimum":1},"chain":{"enum":["ethereum","base","arbitrum"],"type":"string","default":"ethereum"},"token":{"enum":["USDC","EURC"],"type":"string","default":"USDC"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_JCth3KH_oeqHy_lkSL7u-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns daily end-of-day supply, mints, burns, and net issuance for USDC or EURC on a single chain (Ethereum, Base, or Arbitrum) for up to 365 days, with CCTP/Gateway/other minter breakdowns and blacklist/control events.","exampleAgentPrompt":"Pull me 90 days of USDC issuance history on Ethereum — I want to see daily end-of-day supply, mints, burns, and the CCTP vs Gateway breakdown from Blockchain IQ.","exampleUseCases":[{"title":"Charting USDC supply growth on Base","prompt":"Give me 60 days of daily USDC supply and net issuance data on Base so I can chart how Circle's stablecoin has grown there."},{"title":"Auditing EURC mints and burns on Arbitrum","prompt":"Fetch the last 30 days of EURC mint and burn activity on Arbitrum — I need the daily figures split by CCTP, Gateway, and other minters."},{"title":"Monitoring cross-chain USDC issuance trends","prompt":"Show me 365 days of USDC issuance history on Ethereum, including any blacklist or control events and the breakdown of mints by minter type, so I can track long-term trends."}],"resultDescription":"A JSON array of daily records (up to 365 entries) for the requested token and chain, each containing end-of-day supply, mints, burns, net issuance, and sub-breakdowns by minter type (CCTP, Gateway, other). Control events and blacklist changes are included per day. A separate list enumerates any missing days (never zero-filled). Every day satisfies the reconciliation identity: supply change = mints - burns.","failureModes":["Invalid chain value returns an error (must be ethereum, base, or arbitrum)","Invalid token value returns an error (must be USDC or EURC)","days parameter outside 1-365 range returns a validation error","Payment failure (insufficient USDC balance) results in a 402 response","Data gaps are reported as missing days, not zero-filled entries"],"whenToPreferThis":"Choose this endpoint when you need granular daily stablecoin supply and issuance data for a specific chain over a historical window, with mint/burn reconciliation and minter-type breakdowns (CCTP vs Gateway). Prefer it over generic market data APIs when you need Circle-native issuance accounting, blacklist/control event history, or cross-chain flow analysis at the daily level for USDC or EURC specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T12:41:12.983Z","isFirstParty":false,"canonicalSlug":"usdc-eurc-issuance-history-3fb9badc"}