Free to start
Create your first API key and start integrating without upfront costs or subscription fees.
Add on-chain prediction markets to your product without building backend infrastructure, smart contracts, or reward distribution logic from scratch.
DuelDuck API is used by Web3 products, communities, and platforms that want to launch prediction markets without building the infrastructure from scratch.
Create your API Key
Generate your first API Key
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Set up MCP
Run this command in your terminal to connect Claude to your AI tool
DuelDuck API lets you create, manage, and resolve prediction markets without building the backend, smart contracts, or reward logic yourself.
We provide MCP tools and integration guidance to help your team connect DuelDuck API to your product faster.
You control the user experience on your platform, while DuelDuck handles voting logic, on-chain execution, settlement, and automated rewards.
Create your first API key and start integrating without upfront costs or subscription fees.
Launch prediction markets on your own platform without building your own backend, voting logic, or payout system.
Prediction pools are funded by user votes. You don't need to provide separate liquidity - each market grows with your audience's activity.
As a prediction creator, you define your own commission (up to 10%). You earn revenue after users participate and win in your predictions.
Create predictions with SOL, USDC, or other SPL tokens used by your project.
Create different prediction formats for your platform — from simple fixed-price votes to flexible stake markets.
Users pays one defined amount per prediction
Will Bitcoin reach $100,000 before December 31, 2026?
Users choose how much to stake within a set range
Will Bitcoin reach $100,000 before December 31, 2026?
Let users create and resolve their own predictions, while you keep control through dashboard settings
A prediction is a simple Yes/No question about a future event. Users choose the outcome they believe will happen.
See how we compare to building in-house or using other platforms
| Duel Duck API | Building on Your Own | |
|---|---|---|
| Backend logic | Included | Build yourself |
| Time to Launch | < 48 hours | Months |
| Reward Distribution | Automated | Build yourself |
| Upfront cost | Free | $50K+ |
| Maintenance | Handled for you | Your team |
DuelDuck only takes a revenue share after your prediction marketsstart earning big
pay nothing if your income from commissions is under $1,000 / month
if your income from commissions isfrom $1,000 to $10,000
if your income from commissions isfrom $10,001 to $50,000
if your income from commissions isfrom $50,001 to $100,000
if your income from commissions startsfrom $100,001
Choose the integration path that works best for your team

Book a call and we will help you integrate Duel Duck API in your project
Book a callUse our step-by-step guide to create your API key, connect DuelDuck API, and start adding prediction markets to your platform.
View DocumentationKey terms and definitions for understanding on-chain prediction markets
The total accumulated entry fees for a duel, minus platform and operator commissions. Distributed proportionally among winners upon resolution.
A percentage fee (up to 10%) that the duel creator earns from the reward pool. Automatically deducted and sent to your wallet on resolution.
A binary prediction market with two possible outcomes (Yes/No, Team A/Team B). Users pay an entry fee to pick a side, and winners split the reward pool.
Solana Program Library Token - the fungible token standard on Solana. DuelDuck supports any SPL token including SOL, USDC, and custom project tokens.
Secure Solana wallet addresses controlled by smart contracts. DuelDuck uses PDAs to hold duel funds in escrow until resolution.
A product or service that can be rebranded by the buyer. DuelDuck API is fully white-label - users never see DuelDuck branding.
Everything you need to know about the DuelDuck Prediction API