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What is PMX?

PMX lets anyone create and trade binary prediction markets on Solana. Each market has two custom outcomes (e.g. UP / DOWN, FLIP / NOFLIP) represented as tokens you can buy and sell. Markets resolve to one winning outcome. Winning tokens pay out 1each∗∗.Losingtokensareworth∗∗1 each**. Losing tokens are worth **0.

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What can you build?

  • Trading bots — monitor prices and auto-trade based on signals
  • Market aggregators — display PMX markets alongside other platforms
  • Custom interfaces — build your own UI for creating and trading markets
  • Analytics dashboards — track positions, P&L, and market activity
  • AI agents — let agents create or trade markets programmatically

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How it works

1

Create a market

Define a question, set the market type and initial liquidity, and the API handles everything on-chain.
2

Trade

Buy outcome tokens through the API. Prices move based on supply and demand.
3

Resolve

When the outcome is known, the market resolves. Winning tokens become redeemable for $1 USDC each.
4

Redeem

Holders of the winning token redeem through the API for USDC payouts.

Quickstart

Make your first API call in 2 minutes

TypeScript SDK

Install the SDK and start building

API Reference

Browse all endpoints

How Pricing Works

Understand how prices move

Fees & Payouts

Fee structure and payout mechanics

Full Market Lifecycle

End-to-end guide with the REST API