{"slug":"etherscan-api","name":"Etherscan API","host":"api.etherscan.io","site":"https://etherscan.io","category":"crypto","docsUrl":null,"sources":[{"kind":"changelog","url":"https://docs.etherscan.io/changelog"},{"kind":"archive","url":"https://kb.etherscan.com/etherscan-api-v1-will-be-fully-deprecated-by-15th-august-2025"}],"url":"https://www.okapi.bot/providers/etherscan-api/","json":"https://www.okapi.bot/api/v1/providers/etherscan-api.json","breakingChanges":[{"slug":"api-v1-api-stops-working","api":"etherscan-api","title":"API V1 (/api) stops working","kind":"version_retirement","outcome":"fails","model":null,"announcedAt":"2025-07-30","effectiveAt":"2025-08-15","scope":null,"calls":["/api"],"method":null,"path":"/api","source":{"url":"https://kb.etherscan.com/etherscan-api-v1-will-be-fully-deprecated-by-15th-august-2025","kind":"archive"},"quote":"API V1 will be fully deprecated by August 15, 2025 . After that, all V1 requests will stop working.","migration":"Call https://api.etherscan.io/v2/api with the same module, action and other query parameters, plus chainid for the chain (an Etherscan API key covers every supported chain).","migrationChange":null,"needsDecision":null,"text":{"summary":"Calls to the /api endpoint will stop working on August 15, 2025. On that date, API V1 reaches full deprecation, causing all requests directed to this version to fail.","migration":"Send requests to the v2 endpoint at api.etherscan.io/v2/api using your existing module, action, and other query parameters. You must also supply the chainid parameter for the target chain, using an Etherscan API key that covers all supported chains.","by":"writer"},"publishedAt":"2026-10-23T10:27:27.982Z","updatedAt":"2026-10-24T20:33:07.361Z","status":"in_effect","tone":"broken","url":"https://www.okapi.bot/providers/etherscan-api/breaking-changes/api-v1-api-stops-working/"}]}