{"slug":"www-blockchainiq-co-api-x402-v1-stablecoins-events-1a326d","title":"Circle USDC and EURC control events on Ethereum, Base and Arbitrum, newest first","host":"www.blockchainiq.co","method":"GET","resource":"https://www.blockchainiq.co/api/x402/v1/stablecoins/events","category":"market","description":"Circle USDC and EURC control events on Ethereum, Base and Arbitrum, newest first: blacklistings and reversals, pauses, minter allowances, role changes and proxy upgrades, each with block, time, transaction and address. Since a date (up to 90 days back), filter by chain, token and type, 500 a page. U","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":276,"reported_calls_30d":2,"reported_payers_30d":2,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"since":"2026-09-17","type":"blacklist"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"chain":{"enum":["ethereum","base","arbitrum"],"type":"string"},"cursor":{"description":"nextCursor from the previous page","type":"string"},"since":{"description":"First UTC day, at most 90 days ago; default 30 days ago","format":"date","type":"string"},"token":{"enum":["USDC","EURC"],"type":"string"},"type":{"description":"blacklist (Blacklisted, UnBlacklisted), pause, minter (MinterConfigured, MinterRemoved), role (role holder changes), upgrade (Upgraded, AdminChanged)","enum":["blacklist","pause","minter","role","upgrade"],"type":"string"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-18","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.01,"price_match":true,"latency_ms":276,"error":null}],"description_full":"Circle USDC and EURC control events on Ethereum, Base and Arbitrum, newest first: blacklistings and reversals, pauses, minter allowances, role changes and proxy upgrades, each with block, time, transaction and address. Since a date (up to 90 days back), filter by chain, token and type, 500 a page. Use to monitor freezes and issuer control actions. From the contracts' own logs, refreshed daily. JSON, no API key. $0.01 per call. Blockchain IQ.","last_updated":"2026-10-17T23:16:44.092Z","schemes":["exact"]}