Frequently asked questions
Answers to the most common questions about Sweepster, the gasless cross-chain token sweep — non-custodial and atomic settlement, supported tokens and chains, fees, security, and the builder API.
Do I need ETH or gas?
No — that's the whole point. We front gas on both chains and skim a small fee from the assets you're moving.
Is Sweepster custodial?
No. Settlement is atomic and non-custodial — the transfer and our fee happen in one transaction that either fully succeeds or fully reverts. We never hold your funds.
Which tokens are supported?
Any ERC-20 that passes our real-time Token Risk Engine (liquidity depth, honeypot/sellability, and oracle-vs-DEX price sanity).
Which chains?
Eleven EVM mainnets — Ethereum, Optimism, BNB Chain, Unichain, Polygon, World Chain, Soneium, Base, Arbitrum, Celo, and Ink. See sweepster.xyz/chains for the current list.
How does Sweepster make money?
A small, transparent fee — gas plus a configurable margin — skimmed from the assets in motion and shown in your quote before you sign.
Is it secure?
Atomic, non-custodial settlement is the core design. An independent audit and a bug bounty are planned before mainnet value moves.
Can I integrate Sweepster as a builder?
Yes — the builder API lets wallets, exchanges, and dapps offer gasless cross-chain token sweeps to their own users in three calls (quote, sign, submit), earning a configurable share of every sweep's fee. See /builders.
How do builders get paid?
Every sweep attributed to your API key carries an on-chain signed builder-fee split, tracked in your dashboard at dashboard.sweepster.xyz — no manual reconciliation required.