Polymarket gasless trading: how the Relayer works

Polymarket gasless trading means you can place orders, split and merge CTF sets, and move outcome tokens without ever paying gas yourself. The primary reason is the Polymarket Relayer: a Gas Station Network-style service that sponsors transactions on Polygon so you only need pUSD in your wallet to trade. This guide explains what the Relayer does, how it affects wallets and approvals, and the practical steps new users should expect.

Key takeaways

• Polymarket gasless trading is powered by the Polymarket Relayer, which sponsors gas so end users only need pUSD to trade.
• Wallet deployment, ERC-20 approvals, CTF split/merge/redeem, transfers, and order placement are gas-free for users but routed through the Relayer.
• You still need to manage pUSD (Polymarket's wrapped USDC) and understand CLOB order types and approval flows.
• Geo and regulatory restrictions still apply; gasless does not bypass KYC or regional blocks.
• The Relayer model has trade-offs: convenience plus reliance on Polymarket's sponsored infrastructure and builder attribution when applicable.

What "gasless" actually means on Polymarket

On Polygon, transactions normally require native gas in MATIC. Polymarket removes that requirement for end users by routing user-signed transactions through a Relayer. The Relayer submits transactions on-chain and pays gas on behalf of the user. From your point of view you still sign messages in your wallet, but you do not need MATIC or any other native token—only pUSD for trade amounts and fees.

Important specifics you should know:

• The Relayer follows a Gas Station Network model: you sign a transaction payload locally, the Relayer bundles and forwards it to Polygon while bearing gas costs.
• Wallet deployment (Proxy wallets) is automatic and gasless; if you use a pre-deployed Gnosis Safe it also uses the Relayer.
• Polymarket sponsors wallet deployment, ERC-20 approvals, CTF operations (split/merge/redeem), transfers, and order placement.

All of the above is part of Polymarket's design so new traders can focus on markets rather than gas mechanics.

Why you only need pUSD

Polymarket's markets, settlement asset, and order settling are denominated in pUSD (Polymarket's wrapped USDC on Polygon). Because the Relayer covers native gas, every on-chain operation that affects positions or orders is ultimately paid for by the Relayer; the only asset you must supply is pUSD:

• Buying shares requires pUSD to pay for the order (limit or market). The exchange matches and deducts pUSD accordingly.
• Splitting a complete set mints outcome tokens via CTF and consumes pUSD when creating the complete set.
• Redeeming winning tokens after resolution yields $1.00 per winning token in pUSD.

You do not need MATIC or any other native token in your wallet to transact on Polymarket's front-end or via the Relayer-enabled SDKs.

Wallets, signatures, and what the Relayer sees

You still use a regular EVM wallet (MetaMask, Phantom, Rabby, Bitget, OKX, Coinbase, WalletConnect-compatible EIP-6963 wallets, or a Gnosis Safe). Key points:

• You sign transactions locally with your private key; the Relayer does not control your key.
• The Relayer receives the signed payload and broadcasts it to Polygon while paying gas.
• Because the Relayer submits on-chain, it can attach attribution headers for Builders when an order is routed through a third party.

Polymarket supports both Proxy wallets (auto-deployed on first transaction) and pre-deployed Gnosis Safes, and both are compatible with the Relayer workflow.

Approvals and the UX you will see

Even though the Relayer pays gas, some operations require ERC-20 approvals (allowances) so the Polymarket contracts can move your pUSD. In practice the site and SDK handle these approvals for you, and the Relayer will sponsor the approval transaction:

• When you first place an order or split a set you may be prompted to approve pUSD. The Relayer pays the gas for that approval.
• Approvals are ERC-20 allowances; review and approve only what you are comfortable with. The UX will usually show a single confirmation for the approval and then the action you intended.

Because creator tools and third-party builders can route orders through the CLOB, approval flows may include additional attribution metadata, but that does not change the requirement for allowance.

Builders, attribution, and relayer limits

Polymarket's Builder Program lets third parties route orders through the CLOB while earning builder fees. That system interacts with the Relayer:

• Builders route orders with attribution headers. If you trade through a Builder, the Relayer attaches those headers so Builders can receive fees.
• Tiers (Unverified, Verified, Partner) set daily relayer limits and rewards. Builders must register at polymarket.com/settings to obtain credentials.

For most retail users the Builder details are irrelevant; the important thing is that orders routed via Builders still use the Relayer so you remain gasless.

Risks, limits, and things gasless does not remove

Polymarket gasless trading reduces friction but does not eliminate other risks or constraints:

• Resolution risk: outcomes are resolved by the UMA optimistic oracle. Disputes pause settlement and can delay redeeming pUSD.
• Slippage and partial fills: market dynamics and order execution still matter; gasless execution does not guarantee full fills at your price.
• Smart-contract and custody risk: you still interact with smart contracts and should understand approvals and allowances.
• Geo and regulatory restrictions: Polymarket blocks or restricts orders by IP and region; gasless trading does not bypass these rules.

Always consider these risks when you act on markets—even though you do not need MATIC, other variable risks remain.

How this affects your trading (practical checklist)

• Bring pUSD: fund your wallet with pUSD via the official guide (/guides/how-to-fund-polymarket-with-usdc) before placing orders.
• Expect auto wallet deployment: if you have no Proxy wallet, the Relayer will deploy one gaslessly on first use.
• Approve pUSD when prompted: the Relayer will pay gas for the approval, but review allowance amounts.
• Watch for attribution: if you trade through a Builder, your order may carry builder attribution and fees; check the order confirmation.
• Monitor resolutions: if a market is disputed by UMA, redemption for winning tokens may pause until UMA resolves.

Following these steps will let you use Polymarket gasless trading smoothly while staying aware of the remaining operational risks.

Quick reference and links

• Gamma API (markets): https://gamma-api.polymarket.com
• Data API: https://data-api.polymarket.com
• CLOB API: https://clob.polymarket.com
• Builder registration: https://polymarket.com/settings

For more on mechanics used by active traders, see /guides/polymarket-clob-explained and /guides/polymarket-ctf-conditional-tokens.

Closing

Polymarket gasless trading removes the need for native gas by routing signed transactions through the Polymarket Relayer. You still need to manage pUSD and understand approvals, order types, and resolution mechanics. With those basics in hand, gasless trading lowers friction for new users while introducing centralized conveniences (the Relayer and builders) that you should understand before trading.

Frequently asked questions

Do I need MATIC or any other token to trade on Polymarket?

No. Polymarket gasless trading is designed so you do not need MATIC. The Polymarket Relayer sponsors gas on Polygon; you only need pUSD to buy shares and perform CTF operations.

What exactly does the Relayer pay for?

The Relayer pays for on-chain gas costs associated with wallet deployment, ERC-20 approvals, CTF split/merge/redeem, transfers, and order placement. Users sign transactions locally; the Relayer broadcasts them and covers gas.

Are there any downsides to gasless trading?

Gasless trading improves convenience but does not remove market or protocol risks: resolution disputes via UMA can delay settlement, slippage and partial fills still occur, and smart-contract/allowance risks remain. Geo and regulatory restrictions also still apply.

Will a Builder routing my order charge extra?

Builders can earn fees in basis points when routing orders through the CLOB. If you trade through a Builder, attribution headers let Polymarket pay builder fees. Check order confirmations for any builder attribution details.

How do I fund my account with pUSD?

Follow the official guide /guides/how-to-fund-polymarket-with-usdc to convert or deposit USDC into pUSD and transfer it to your Polymarket wallet. The Relayer only covers gas; pUSD is required to transact.