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Etherscan API✕already broken

Swell Mainnet (chainid: 1923) shutdown

Shutdown date: 2026-02-25. No replacement named.

Swell Mainnet (chainid: 1923) shutdown: from its source to your code

docs.etherscan.ioquote checked
model retirementfrom Swell Mainnet (chainid: 1923)
2026-02-25255 days ago
Your code1 thing to find
Nemotron fixes

In its own wordsmatches the page ✓

Swell Mainnet (chainid: 1923) and Swell Testnet (chainid: 1924) API support has been deprecated effective February 25, 2026. API requests to these chains are no longer supported.

docs.etherscan.io/changelog.mdfrom the provider's own sitechecked 2026-10-30#0ee1749bf7

What Teire looks for in your code

model ID "Swell Mainnet (chainid: 1923)"

Does it reach your code?

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read by nvidia/Nemotron-3-Ultra-550b-a55b · checked against the page · etherscan-io-2026-02-25-swell-mainnet-chainid-1923