Euler

Supply assets into Euler EVK vaults for yield

What this yield is

• Protocol: Euler Finance (EVK - Euler Vault Kit)
• Asset: USDC, USDT, WETH, WBTC, and many more
• Receipt token: eTokens (e.g., eUSDC, eWETH)
• Additional rewards: rEUL, and vault-specific rewards
• Networks: Ethereum, Arbitrum, Base, BSC, Polygon, Unichain, Avalanche, Sonic, Plasma

EVK vaults are extended ERC-4626 vaults that function as passive lending pools. Users earn yield from lending to borrowers. Different vaults are operated by various curators with different strategies.

Required inputs

Parameter	Description
yieldId	The specific Euler vault yield ID
address	User’s wallet address
amount	Amount to deposit

Actions & lifecycle

Enter

Action: Deposit assets into Euler vault

• Supply the underlying asset
• Receive eToken representing your share
• Yield accrues automatically

Exit

Action: Withdraw assets from the vault

• Redeem eTokens for underlying assets
• Receive principal plus accrued interest
• Instant withdrawal

Pending actions

CLAIM_REWARDS: Claim incentive rewards

Claim rEUL or other incentive tokens using the CLAIM_REWARDS pending action.

Example flow

1. Get yield metadata

   Fetch available Euler vaults 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/ethereum-usdc-eusdc-2-0x797dd80692c3b2dadabce8e30c07fde5307d48a9-4626-vault' \
  --header 'accept: application/json' \
  --header 'x-api-key: <API_KEY>'

Operational notes

rEUL rewards

Reward EUL (rEUL) converts 1:1 to EUL over 6 months: 20% unlocks immediately, 80% vests linearly. Locked EUL is forfeited if not fully vested.

Curator-operated vaults

Different vaults are managed by curators like Gauntlet, MEV Capital, Re7 Labs, Steakhouse, etc., each with different strategies and risk profiles.

Additional reward programs

Some vaults have additional rewards via Royco, Merkl, or Turtle Club platforms.

Multi-network availability

Euler is available on 10+ networks with hundreds of vault options.

Yield IDs for this protocol

Show Euler yield IDs (partial list)

Yield ID pattern: {network}-{asset}-e{vault}-{address}-4626-vault

Ethereum (sample)

Yield ID	Name
ethereum-usdc-eusdc-2-0x797dd80692c3b2dadabce8e30c07fde5307d48a9-4626-vault	Euler Prime USDC
ethereum-weth-eweth-2-0xd8b27cf359b7d15710a5be299af6e7bf904984c2-4626-vault	Euler Prime WETH
ethereum-usdt-eusdt-2-0x313603fa690301b0caeef8069c065862f9162162-4626-vault	Euler Prime USDT

Base (sample)

Yield ID	Name
base-usdc-eusdc-1-0x0a1a3b5f2041f33522c4efc754a7d096f880ee16-4626-vault	Euler Base USDC
base-weth-eweth-1-0x859160db5841e5cfb8d3f144c6b3381a85a4b410-4626-vault	Euler Base WETH

Arbitrum (sample)

Yield ID	Name
arbitrum-usdc-eusdc-1-0x0a1ecc5fe8c9be3c809844fcbe615b46a869b899-4626-vault	EVK Vault eUSDC-1
arbitrum-weth-eweth-1-0x78e3e051d32157aacd550fbb78458762d8f7edff-4626-vault	EVK Vault eWETH-1

Full list contains 500+ yield IDs across networks.

See also

Quickstart

Get started with Yield.xyz

Actions & Balances

Understand how actions work