Prediction Markets

Polymarket

ID: polymarket | Markets: Prediction market CLOB | Chain: Polygon

Polymarket is a prediction market using a central limit order book (CLOB) on Polygon. Trade binary outcomes on real-world events.

Parameter	Type	Description
api_key	string	Polymarket API key.
api_secret	string	Polymarket API secret.
passphrase	string	Polymarket API passphrase.

curl -X POST https://agents.systemr.ai/v1/broker/connect \
  -H "X-API-Key: sr_agent_..." \
  -H "Content-Type: application/json" \
  -d '{
    "broker_type": "polymarket",
    "connection_params": {
      "api_key": "YOUR_API_KEY",
      "api_secret": "YOUR_API_SECRET",
      "passphrase": "YOUR_PASSPHRASE"
    }
  }'

Market types

Polymarket offers binary outcome contracts. Each market has YES and NO shares that trade between $0 and $1. Markets resolve to $1 (correct outcome) or $0 (incorrect outcome).

Example markets: election outcomes, economic data releases, sports events, technology milestones.

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Kalshi

ID: kalshi | Markets: CFTC-regulated event contracts | Regulation: US regulated

Kalshi is a CFTC-regulated exchange for event contracts. Fully compliant with US regulations.

Parameter	Type	Description
email	string	Kalshi account email.
password	string	Kalshi account password.
api_key	string	Optional. Kalshi API key (alternative to email/password).

curl -X POST https://agents.systemr.ai/v1/broker/connect \
  -H "X-API-Key: sr_agent_..." \
  -H "Content-Type: application/json" \
  -d '{
    "broker_type": "kalshi",
    "connection_params": {
      "email": "[email protected]",
      "password": "your_password"
    }
  }'

Or using API key authentication:

curl -X POST https://agents.systemr.ai/v1/broker/connect \
  -H "X-API-Key: sr_agent_..." \
  -H "Content-Type: application/json" \
  -d '{
    "broker_type": "kalshi",
    "connection_params": {
      "api_key": "YOUR_KALSHI_API_KEY"
    }
  }'

Market types

Kalshi offers event contracts on weather, economics, politics, finance, and more. Contracts trade between $0.01 and $0.99, settling at $1.00 or $0.00.

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Placing orders on prediction markets

After connecting, use the standard order endpoint:

curl -X POST https://agents.systemr.ai/v1/broker/order \
  -H "X-API-Key: sr_agent_..." \
  -H "Content-Type: application/json" \
  -d '{
    "symbol": "PRES-2028-DEM",
    "side": "buy",
    "quantity": "100",
    "order_type": "limit",
    "limit_price": "0.45"
  }'

The symbol format depends on the prediction market. Check each platform’s market identifiers.

Each order placement costs $0.015 and runs risk validation before submission.