Polymarket will be temporarily unavailable for about an hour on April 22nd to launch a major upgrade. This update, called V2, completely rebuilds the platform’s trading system, how orders are managed, and how collateral works.
We’re permanently upgrading from version 1. Any applications currently using our API or SDK will need to update to the new version before the switchover, or they will no longer function.
What Changes With Polymarket V2
The biggest change is the introduction of Polymarket USD (pUSD), which will now be used for settling transactions on Polygon instead of USDC.e. pUSD is fully backed by USDC, and this backing is automatically verified on the blockchain.
In their initial announcement, the team stated they are launching an improved trading system, enhanced smart contracts, and a new currency called Polymarket USD, replacing their previous use of USDC.e.
Most users won’t even notice, as the system automatically handles the change with a simple confirmation. But for those trading directly through the API or acting as market makers, the process is more involved.
The new CTF Exchange V2 and Neg Risk CTF Exchange V2 contracts are now handling all trades, replacing the older system. These new contracts simplify the ordering process by removing outdated fields like ‘nonce’ and ‘feeRateBps’.
Fees are now calculated at match time rather than embedded in individual orders.
Polymarket is updating its system, and when it does, all active limit orders will be canceled. This will happen around 11 a.m. UTC on April 22nd. Don’t worry, your money and any positions you already have will be completely safe and won’t be changed.
Polymarket is launching its upgraded exchange, version 2, on April 22nd! It’s now available for everyone to test out.
Important: If you use Polymarket’s API or automated tools, you’ll need to make some updates before the launch. This includes upgrading your software connection, and adapting to the new contract addresses and order format. More details are available on the migration process.
— Polymarket Developers (@PolymarketDevs) April 17, 2026
As we prepare to launch V2 of the SDK, I’m happy to share that it includes a hot-swap mechanism. This means any clients currently connected will automatically refresh when V2 goes live – no action needed on their end. However, if you’re manually signing orders using our API, I need you to update the EIP-712 domain version in your system from “1” to “2” to ensure everything continues working smoothly.
Security and Bug Bounty
The V2 contracts are publicly available for review and have been checked for security flaws by Cantina and Quantstamp. Cantina is currently offering a $5 million reward for anyone who finds and reports bugs in the code, with the largest rewards available for the most serious issues.
Traders have access to a testing version of V2 now. On April 22nd, V2 will become the primary version, and you won’t need to update any website addresses to continue trading.
In March, Polymarket saw a record number of transactions – over 192 million. This significant growth makes it even more important to launch the updated version (V2) smoothly for our growing community of users.
Read More
- Brent Oil Forecast
- Gold Rate Forecast
- Silver Rate Forecast
- CNY JPY PREDICTION
- USD BRL PREDICTION
- ETH PREDICTION. ETH cryptocurrency
- Lobsters, AI, and Crypto Chaos: OpenClaw’s Wild Takeover
- North Korean Coders: DeFi’s Uninvited Party Crashers
- Bank of the Nerves: XRP’s Quiet Lament Sparks 63% Jump-Read Why!
- XDC PREDICTION. XDC cryptocurrency
2026-04-17 21:42