Contract Addresses

All Floe smart contracts deployed on supported networks.

Base Mainnet (Production)

Parameter	Value
Network Name	Base
Chain ID	8453
Currency	ETH
RPC URL	https://mainnet.base.org
Explorer	basescan.org

Core Contracts

Contract	Address
LendingIntentMatcher	0x17946cD3e180f82e632805e5549EC913330Bb175
PriceOracle	0xEA058a06b54dce078567f9aa4dBBE82a100210Cc
LendingViews	0x9101027166bE205105a9E0c68d6F14f21f6c5003

x402 Credit Facilitator

Endpoint	Value
Facilitator API	https://credit-api.floelabs.xyz
Facilitator EOA	0x58EDdE022FFDAD3Fb0Fb0E7D51eb05AaF66a31f1

The Facilitator EOA is the address you pass as the operator argument to setOperator on LendingIntentMatcher when delegating credit to the Floe-hosted x402 facilitator. The corresponding private key lives only on the facilitator server; this address is the public half of the pair and is the one you grant OperatorPermission to. See x402 Credit Facilitator for the full delegation flow.

Aerodrome (Flash Arb)

Contract	Address
SwapRouter	0xBE6D8f0d05cC4be24d5167a3eF062215bE6D18a5
QuoterV2	0x254cF9E1E6e233aa1AC962CB9B05b2cFeAAe15b0

Token Addresses

Token	Role	Address	Decimals
USDC	Loan + Collateral	0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913	6
USDT	Loan Token	0xfde4C96c8593536E31F229EA8f37b2ADa2699bb2	6
WETH	Collateral	0x4200000000000000000000000000000000000006	18
cbBTC	Collateral	0xcbB7C0000aB88B473b1f5aFd9ef808440eed33Bf	8

Active Markets

Market	Loan Token	Collateral Token	Max LTV	Notes
USDC/USDC	USDC	USDC	95%	Secured working capital — no price risk, hardcoded 1:1 oracle
USDC/WETH	USDC	WETH	70%
USDC/cbBTC	USDC	cbBTC	70%
USDT/WETH	USDT	WETH	70%
USDT/cbBTC	USDT	cbBTC	70%

The USDC/USDC market (marketId: 0x5027ae5ed5c85380c5dfa34a79915f41f139f4e859f56d15a6f958ea6b662820) is the recommended market for AI agents. Deposit USDC, borrow up to 95% as working capital. No liquidation risk from price movements — the only path to liquidation is unpaid interest accrual.

Configuration

const BASE_MAINNET_CONFIG = {
  chainId: 8453,
  name: "Base",
  rpcUrl: "https://mainnet.base.org",
  lendingIntentMatcher: "0x17946cD3e180f82e632805e5549EC913330Bb175",
  priceOracle: "0xEA058a06b54dce078567f9aa4dBBE82a100210Cc",
  facilitator: {
    apiUrl: "https://credit-api.floelabs.xyz",
    eoa: "0x58EDdE022FFDAD3Fb0Fb0E7D51eb05AaF66a31f1",
  },
  tokens: {
    USDC: "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    USDT: "0xfde4C96c8593536E31F229EA8f37b2ADa2699bb2",
    WETH: "0x4200000000000000000000000000000000000006",
    cbBTC: "0xcbB7C0000aB88B473b1f5aFd9ef808440eed33Bf",
  },
};

---

Base Sepolia (Testnet)

Parameter	Value
Network Name	Base Sepolia
Chain ID	84532
Currency	ETH
RPC URL	https://sepolia.base.org
Explorer	sepolia.basescan.org

Core Contracts

Contract	Address
LendingIntentMatcher	0xF351eDF229ded7E2e2b23E44c70e9964CbA91B2E
PriceOracle	0x71020b939b1f0988b2d93c2d930fea5b370203a5

⚠️ Testnet contracts may differ from mainnet. Use for development only.

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Adding Base to Your Wallet

MetaMask / Rainbow / Other Wallets

1. Open wallet settings

2. Add network manually with:

   • Network Name: Base

   • RPC URL: https://mainnet.base.org

   • Chain ID: 8453

   • Currency Symbol: ETH

   • Block Explorer: https://basescan.org

Or visit chainlist.org for one-click add.

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RPC Providers

Public RPCs (Rate Limited)

Network	URL
Base Mainnet	https://mainnet.base.org
Base Sepolia	https://sepolia.base.org

Recommended Providers

For production applications:

• Alchemy - https://base-mainnet.g.alchemy.com/v2/YOUR_KEY

• Infura - https://base-mainnet.infura.io/v3/YOUR_KEY

• QuickNode

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Protocol Constants

Parameter	Value	Description
minLtvGapBps	800 (8%)	Min gap between origination & liquidation LTV
withdrawalBufferBps	300 (3%)	Buffer below liquidation for withdrawals
stalenessTimeout	3,600 sec	Oracle staleness threshold
maxDeviationBps	1,500 (15%)	Max price deviation before circuit breaker
liquidationBonus	500 (5%)	Bonus for liquidators
gracePeriod	86,400 sec	Grace period after loan expiry (24 hours)

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Verified Contracts

All contracts are verified on Basescan:

• LendingIntentMatcher

• PriceOracle

• LendingViews

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Bridging Assets to Base

Bridge ETH

• Base Bridge (Official)

• Superbridge

Get USDC on Base

• Bridge from Ethereum via Circle CCTP

• Swap on Uniswap (Base)

• Withdraw from exchanges that support Base