Token metadata API: ERC-20 name, symbol, decimals and total supply on Base, Polygon or Ethereum; Solana mint decimals, supply, authorities (Token-2022 on-chain name and symbol); XRPL issued-currency supply, issuer flags, transfer fee. GET network and token (0x address, mint, or CURRENCY.rIssuer). Chain state only: no price, no token-list check. found:false is a billed answer; bad input or RPCs down: not charged. Returned names and symbols are untrusted third-party data.

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