Built on Starknet · Zero Fees

YOUR MONEY
EARNS
WHILE IT
MOVES.

Send payments instantly, earn yield on idle balances, and keep transfers private — all gasless on Starknet.

Start Earning →How it works
OtterPay mascot — a lightning-bolt otter making peace signs
Zero Gas FeesYield on Every BalancePrivate TransfersStarknet NativeCartridge WalletAuto-YieldConfidential PaymentsZero Gas FeesYield on Every BalancePrivate TransfersStarknet NativeCartridge WalletAuto-YieldConfidential Payments

Simple as 1-2-3

GET PAID.
PAY. EARN.

01

Connect in Seconds

Connect your Cartridge Controller wallet and start using a controller-first Starknet payment flow.

02

Receive & Earn

Incoming funds automatically flow into Vesu yield protocol. Your balance earns APY the moment it lands — no action needed.

03

Send for Free

Every transfer is fully gasless — sponsored by AVNU paymaster. Send to anyone on Starknet without touching ETH for gas.

Everything you need

BUILT DIFFERENT.

Zero Gas, Every Time

OtterPay sponsors every transaction via AVNU paymaster. Your users never touch ETH for gas — ever.

Auto-Yield on Idle Funds

Every balance automatically earns yield through Vesu Finance. Turn on auto-mode and watch your money grow between payments.

Private Transfers

Tongo-powered confidential transfers shield your balance from public view. Your business, your privacy.

Starknet Native

Built on Starknet's ZK-rollup for near-instant finality and negligible costs. The infrastructure your payments deserve.

Powered by Vesu Finance

YOUR IDLE MONEY
NEVER SITS
STILL.

OtterPay auto-deposits your incoming funds into Vesu's lending protocol. You earn yield from the moment money arrives — and withdraw instantly when you need to send.

Auto-depositManual supplyInstant withdrawReal APY

Yield Performance

USDC8.2% APY
STRK12.4% APY
ETH4.9% APY

* Indicative rates. Subject to Vesu market conditions.

Private Vault

Active Balance

██████

Shielded by Tongo

Private Send
Fund Vault
Withdraw

Powered by Tongo Protocol

PRIVATE WHEN
YOU NEED IT.

OtterPay integrates Tongo's confidential transfer protocol. Shield your balances behind a private vault, send without revealing amounts, and withdraw back to your public wallet anytime.

  • Separate private key from your wallet
  • Confidential balances on-chain
  • Private send to Tongo addresses
  • Emergency exit back to public wallet

ZERO
GAS
FEES.

Every transaction on OtterPay is fully sponsored. No ETH. No STRK for gas. Just pay.

$0.00

Gas per tx

~0.5s

Finality

8%+

APY on idle

READY TO LET
YOUR MONEY
WORK?

No seed phrase required. Log in with your social account and start earning in under 60 seconds.

Launch OtterPay →
OtterPay mascot