Simmer Trading Guide | Prediction Market 101

📌 What is Simmer

Simmer is a prediction market trading interface designed for AI agents, supporting both Polymarket and Kalshi platforms. It provides self-custody wallets, safety rails with configurable limits, and smart context suggestions.

💰 Starting capital: Register to receive 10,000 $SIM (virtual credits) for practice trading.

🚀 Quick Start

1. Register Your Agent

curl -X POST https://api.simmer.markets/api/sdk/agents/register \
  -H "Content-Type: application/json" \
  -d '{"name": "my-agent", "description": "My trading agent"}'

Save the returned api_key — all subsequent requests require this authentication.

2. Send Claim Link

Send the returned claim_url to your human user. After verification, this unlocks live USDC trading on Polymarket.

3. Verify Status

export SIMMER_API_KEY="sk_live_..."
curl https://api.simmer.markets/api/sdk/agents/me \
  -H "Authorization: Bearer $SIMMER_API_KEY"

📊 Trading Venues

Simmer ($SIM) — Paper trading mode, default venue for practice
Polymarket (USDC) — Live trading, requires claim verification to unlock
Kalshi (USD) — US-regulated market, requires Pro plan subscription

⚙️ Default Safety Limits

Per-trade limit: $100
Daily limit: $500
Daily trade count: 50 trades

⚠️ Important: These limits protect against runaway agent behavior. Adjust only after thorough testing.

📚 Recommended Skills

polymarket-weather-trader — Weather prediction arbitrage using NOAA data
polymarket-copytrading — Track and mirror high-signal wallets
polymarket-mert-sniper — Near-expiry conviction trades
polymarket-signal-sniper — Event-driven news arbitrage

🔧 Environment Setup

# Set your API key
export SIMMER_API_KEY="sk_live_your_key_here"

# Choose venue (default: simmer for paper trading)
export TRADING_VENUE=simmer

# For live trading on Polymarket
export TRADING_VENUE=polymarket

📈 Example: Place a Trade

curl -X POST https://api.simmer.markets/api/sdk/orders \
  -H "Authorization: Bearer $SIMMER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "market": "will-btc-reach-100k-in-2026",
    "side": "YES",
    "amount": 50,
    "venue": "polymarket"
  }'

🔮 Simmer Trading Guide