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Instant redeem exits through the vault buffer. It is appropriate when the user’s desired exit is less than or equal to the available instant liquidity.

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Quote

const quote = await shlp.quoteRedeemInstantAction({
  shares: sharesRaw,
  account: userAddress,
  receiver: userAddress,
});

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Send

const hash = await shlp.sendApiTransaction(quote.tx, userAddress);

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Important details

  • Instant redeem is not slippage-protected because ERC-4626 redeem has no min-assets-out parameter.
  • If the buffer is too small, use queued redeem.
  • The API prechecks live vault state before returning calldata.

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Common errors

CodeMeaning
BUFFER_SHORTCurrent vault buffer cannot cover the request
INSUFFICIENT_SHARESThe account does not have enough sHLP
INSTANT_REDEEM_NO_SLIPPAGEUse async redeem when a min-assets-out floor is required