Supported Platforms
Yoso integrates with two prediction market exchanges. You can connect one or both.
Kalshi
Kalshi is a US-regulated exchange (CFTC-regulated DCM) for event contracts.
Getting Your API Key
- Log in to kalshi.com
- Go to Settings > API Keys
- Create a new API key with trading permissions
- Copy your API Key ID and download your Private Key (RSA PEM format)
Connecting to Yoso
- Go to your Profile page or click + Add Account in the header panel
- Select Kalshi as the platform
- Paste your API Key ID and Private Key
- Click Connect
Polymarket
Polymarket is a crypto-native prediction market built on the Polygon network. No separate API key needed.
Connection Methods
Yoso offers three ways to connect your Polymarket account.
YosoBet Wallet uses Yoso's built-in embedded wallet via Privy. Simplest option if you're starting fresh. Web3 Wallet connects an existing wallet like MetaMask or Coinbase Wallet. Import Private Key lets you paste your wallet's private key directly — useful for email/Google users without a browser extension.
Connecting to Yoso
- Go to your Profile page or click + Add Account in the header panel
- Select Polymarket as the platform
- Choose your connection method
- Follow the prompts to authorize your wallet
Verifying Your Connection
Once connected, your account balance should appear next to the connected account. You'll see open positions in the Positions bar, and you can place trades from the trade form.
If you run into issues, try disconnecting and reconnecting your account from the Profile page.
Next Steps
- Quick Start: Get trading in 5 minutes
- Trading: Place your first order