Welcome to the PolyMarket Changelog. Here you will find any important changes to Polymarket, including but not limited to CLOB, API, UI and Mobile Applications.

Polymarket Changelog

Polymarket Documentation

Overview of the Polymarket documentation for users and developers.

👋 Welcome to Polymarket

What is Polymarket?

How to Sign-Up

How to add cash to your balanace on Polymarket.

How to Deposit

Making your First Trade

How to buy and deposit USDC to your Polymarket account using Coinbase.

Deposit with Coinbase

Use MoonPay to deposit cash using your Visa, Mastercard, or bank account.

Deposit Using Your Card

How to deposit USDC on the Ethereum Network to your Polymarket account.

Deposit USDC on Ethereum

Large Cross Chain Deposits

How to withdraw your cash balance from Polymarket.

How to Withdraw

Markets are created by the markets team with input from users and the community.

How are markets created?

The prices probabilities displayed on Polymarket are the midpoint of the bid-ask spread in the orderbook.

How are prices calculated?

Markets are resolved by the UMA Optimistic Oracle, a smart-contract based optimistic oracle.

How are prediction markets resolved?

How Are Markets Clarified?

How Are Markets Disputed?

What are limit orders and how to make them.

Limit orders

Market Orders

Learn how to earn rewards merely by placing trades on Polymarket

Liquidity Rewards

Trading Fees

Does Polymarket Have Trading Limits?

Understanding the Order Book will help you become an advanced trader.

Using the Order Book

Adding market embeds to your Substack or website.

How to use embeds

Yes, you can sell or close your poisiton early.

Can I sell early?

Does Polymarket have a Token?

Does Polymarket have an API?

How is Polymarket better than traditional / legacy polling?

Polymarket vs. polling

Polymarket offers technical support through our website chat feature, and through Discord.

How do I contact Support?

How to Export Your Private Key

Yes. Polymarket is non-custodial, so you're in control of your funds.

Is my money safe?

No, Polymarket is not the house. All trades happen peer-to-peer (p2p).

Is Polymarket the house?

Why Polymarket uses crypto and blockchain technology to create the world’s largest Prediction market.

Why Crypto?

How people collectively forecast the future.

What is a Prediction Market?

If you deposited the wrong cryptocurrency on Ethereum or Polygon, use these tools to recover those funds.

Recover Missing Deposit

Developer Introduction

Setting up your enviroment

Jupyter Notebooks and Gists

CLOB Introduction

Detailed instructions for creating, placing, and managing orders using Polymarket's CLOB API.

Orders Overview

Placing Orders

Get Order

Get Active Orders

Check if an order is eligble or scoring for Rewards purposes

Check Order Reward Scoring

Multiple endpoints to cancel a single order, multiple orders, all orders or all orders from a single market.

Cancel Orders(s)

Onchain Order Info

Trades Overview

Get Trades

Get Single Market

Get Markets

Get Sampling Markets

Get Simplified Markets

Get Sampling Simplified Markets

Timeseries Data

Get Book(s)

Get Price(s)

Get Midpoint(s)

Get the spread from one or multiple markets

Get Spread(s)

Overview and general information about the Polymarket Websocket

WSS Overview

WSS Authentication

User Channel

Market Channel

Gamma Structure

Retrieves a list of markets with various filtering and sorting options.

Fetches a list of events with various filtering and sorting options.

Get Events

Fetches current positions for a given user address, optionally filtered by market or event and other parameters.

Get User Positions

Subgraph

Resolution

Polymarket provides incentives aimed at catalyzing the supply and demand side of the marketplace. Specifically there is a public liquidity rewards program as well as one-ff public pnl/volume competitions.

Main Changes

Polymarket Changelog

Revamped iOS application: Coming soon date TBD

Revamped iOS application: Coming soon date TBD

Upcoming API Change: Increasing API Rate Limits (May 15, 2025 10AM EST)

Main Changes

​Revamped iOS application: Coming soon date TBD

​Revamped iOS application: Coming soon date TBD

​Upcoming API Change: Increasing API Rate Limits (May 15, 2025 10AM EST)

Revamped iOS application: Coming soon date TBD

Revamped iOS application: Coming soon date TBD

Upcoming API Change: Increasing API Rate Limits (May 15, 2025 10AM EST)