Aave V4Install

Summary

Preview a lending action (borrow, repay, supply, or withdraw) on Aave V4.

Inputs

• chainId — Chain identifier or name; optional, can be supplied via expression.
• lendingReserveId (required) — Identifier of the Aave reserve to interact with.
• previewActionType (required) — Type of preview action: borrow, repay, supply, or withdraw.
• lendingAmount (required) — Amount of the asset in its main unit (e.g., 1.5 for 1.5 ETH).
• lendingSenderAddress (required) — Address of the signer sending the transaction.
• previewEnableCollateral — Enable the supplied asset as collateral (only relevant for supply previews).
• previewUseMax — Use the maximum available amount for repay or withdraw previews.
• previewUsePermit — Use EIP‑2612 permit for gas‑less token approval (for repay or supply).

Output shape

a single JSON object describing the previewed transaction, typically containing the action type, amount, reserve, sender, and optionally collateral and permit flags

The exact fields may vary by action type; the response is meant for simulation and does not execute the transaction.

Examples

Example 1: Simulate supplying 2 units of DAI as collateral

chainId: 'ethereum', lendingReserveId: '0x...DAI', previewActionType: 'supply', lendingAmount: '2', lendingSenderAddress: '0xSender', previewEnableCollateral: true

Example 2: Preview repaying the maximum borrowed amount

chainId: 'ethereum', lendingReserveId: '0x...USDC', previewActionType: 'repay', lendingAmount: '', previewUseMax: true, previewUsePermit: false, lendingSenderAddress: '0xSender'

Example 3: Preview withdrawing the full supply

chainId: 'ethereum', lendingReserveId: '0x...USDC', previewActionType: 'withdraw', lendingAmount: '', previewUseMax: true, lendingSenderAddress: '0xSender'

Links

• n8n community nodes installation guide