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Let users pay gas in any token, or sponsor it entirely so they pay nothing. avnu pioneered paymaster on Starknet (SNIP-9, SNIP-29) - now powering 50+ dApps. avnu Portal - Sponsor gas for your users

Pick your mode


Gasfree: you sponsor gas

Best for onboarding, gaming, and premium UX. Your dApp covers gas - users transact for free.

Gasfree integration

Portal setup, API keys, credits, and code

Propulsion Program

Get up to $1M in gas subsidies from Starknet Foundation

Gasless: user pays in tokens

Users pay gas in any supported token instead of STRK. No API key required.
Supported tokens: USDC, USDT, DAI, ETH, STRK, WBTC, solvBTC, LBTC, EKUBO, NSTR, LORDS, wstETH - more added regularly.

Private transactions

Execute swaps and transfers through Starknet’s privacy pool. Balances stay shielded, and you can sponsor the gas with your paymaster API key or let users pay it in gasless mode.

Private Swap via avnu

Sponsored, gasless private swaps using zk-proofs

Resources