Compound

USDC lending for various markets via Compound V3

What this yield is

• Protocol: Compound V3 lending markets
• Asset: USDC, WETH, USDT, wstETH, USDS (varies by network)
• Receipt token: cTokens (e.g., cUSDC, cWETH)
• Rewards: Interest from borrowers + COMP token rewards (if active)
• Networks: Ethereum, Polygon, Arbitrum, Optimism, Base

Upon lending into Compound, users receive cTokens which accrue interest over time. These tokens are redeemable for the underlying token at any point.

Required inputs

Parameter	Description
yieldId	The specific Compound V3 yield (e.g., base-usdc-compound-v3-lending)
address	User’s wallet address
amount	Amount to deposit

Actions & lifecycle

Enter

Action: Deposit assets into the Compound V3 market

• Supply the asset (USDC, WETH, etc.)
• Receive cToken representing your position
• Begin earning interest immediately

Exit

Action: Withdraw assets from the market

• Redeem cTokens for underlying assets
• Receive principal plus accrued interest
• Instant withdrawal (subject to liquidity)

Pending actions

CLAIM_REWARDS: Claim accrued COMP rewards

Users can withdraw COMP reward tokens using the CLAIM_REWARDS pending action on the rewards balance. The rewards are not automatically claimed when withdrawing from the position.

Example flow

1. Get yield metadata

   Fetch available Compound V3 yields and their current rates.

2. Enter position

   Call the enter action with your deposit amount.

3. Sign & submit

   Sign the transaction and broadcast to the network.

4. Track balances

   Monitor your position via the balances endpoint.

Get yield metadata

curl --request GET \
  --url https://api.yield.xyz/v1/yields/base-usdc-compound-v3-lending \
  --header 'accept: application/json' \
  --header 'x-api-key: <API_KEY>'

Operational notes

COMP rewards

If reward mining is active in a given market, users will earn COMP tokens in addition to lending interest. These must be claimed separately using the CLAIM_REWARDS pending action.

Instant withdrawals

cTokens are redeemable for the underlying token at any point in time, subject to available liquidity in the market.

Multi-network support

Compound V3 is available on Ethereum, Polygon, Arbitrum, Optimism, and Base with varying asset support.

Yield IDs for this protocol

Show Compound V3 yield IDs

Yield ID pattern: {network}-{asset}-compound-v3-lending

Arbitrum

Yield ID	Name
arbitrum-usdc-compound-v3-lending	USDC Compound v3 Lending
arbitrum-usdc.e-compound-v3-lending	USDC.e Compound v3 Lending
arbitrum-weth-compound-v3-lending	WETH Compound v3 Lending
arbitrum-usdt-compound-v3-lending	USDT Compound v3 Lending

Base

Yield ID	Name
base-usdc-compound-v3-lending	USDC Compound v3 Lending
base-usdbc-compound-v3-lending	USDbC Compound v3 Lending
base-weth-compound-v3-lending	WETH Compound v3 Lending
base-aero-compound-v3-lending	AERO Compound v3 Lending

Ethereum

Yield ID	Name
ethereum-weth-compound-v3-lending	WETH Compound v3 Lending
ethereum-usdc-compound-v3-lending	USDC Compound v3 Lending
ethereum-usdt-compound-v3-lending	USDT Compound v3 Lending
ethereum-wsteth-compound-v3-lending	wstETH Compound v3 Lending
ethereum-usds-compound-v3-lending	USDS Compound v3 Lending

Optimism

Yield ID	Name
optimism-usdc-compound-v3-lending	USDC Compound v3 Lending
optimism-usdt-compound-v3-lending	USDT Compound v3 Lending
optimism-weth-compound-v3-lending	WETH Compound v3 Lending

Polygon

Yield ID	Name
polygon-usdc.e-compound-v3-lending	USDC.e Compound v3 Lending
polygon-usdt-compound-v3-lending	USDT Compound v3 Lending

See also

Quickstart

Get started with Yield.xyz

Actions & Balances

Understand how actions work