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Aave V3 markets workflow

Use this workflow to discover available Aave V3 tokens, supply/borrow rates, and borrowing capacity on a chain.

Flow

  1. Resolve chain.
  2. Query available markets.
  3. Present results.

Resolve chain

If the user doesn't specify a chain, ask. Aave V3 is deployed on these chains:

Chain Chain ID
Ethereum 1
Polygon 137
Arbitrum 42161
Optimism 10
Avalanche 43114
Base 8453

Query available markets

curl -s -X POST https://api.v3.aave.com/graphql \
  -H 'Content-Type: application/json' \
  -d '{
    "query": "{ markets(request: { chainIds: [<CHAIN_ID>] }) { reserves { underlyingToken { symbol decimals } supplyInfo { apy { formatted } } borrowInfo { apy { formatted } availableLiquidity { amount { value } usd } borrowCapReached } isFrozen isPaused } } }"
  }'

Present results

Filter out reserves where isFrozen or isPaused is true. For each active reserve, show:

  • Token symbol and decimals (underlyingToken.symbol, underlyingToken.decimals)
  • Supply APY (supplyInfo.apy.formatted)
  • Borrow APY (borrowInfo.apy.formatted)
  • Available liquidity (borrowInfo.availableLiquidity.amount.value, borrowInfo.availableLiquidity.usd)
  • Borrow cap reached (borrowInfo.borrowCapReached)

The apy.formatted field returns a percentage directly (e.g., "2.12" means 2.12%). No conversion is needed.

If borrowCapReached is true, tell the user that borrowing isn't available for that asset.