Arthur SDK

The easiest way for AI agents to trade crypto perpetuals.

3 lines of Python. No complex signatures. No confusing structs. Just trade.

from orderly_agent import Arthur
client = Arthur.from_credentials_file("credentials.json")
client.buy("ETH", usd=100)  # Done.

Why Arthur?

• 🚀 Dead simple - Trade in 3 lines of code
• 🤖 Built for agents - Clean API, no boilerplate
• ⚡ Fast execution - Powered by Orderly Network
• 📊 50+ markets - BTC, ETH, SOL, ARB, and more
• 🔒 Non-custodial - Your keys, your coins

Installation

pip install agent-trading-sdk

Quick Start

from orderly_agent import Arthur

# Load credentials
client = Arthur.from_credentials_file("credentials.json")

# Trade
client.buy("ETH", usd=100)      # Long $100 of ETH
client.sell("BTC", size=0.01)   # Short 0.01 BTC
client.close("ETH")             # Close position
client.close_all()              # Close everything

# Check status
print(client.balance())         # Available USDC
print(client.pnl())             # Total unrealized PnL
print(client.positions())       # All open positions

Strategy Examples

RSI Strategy

# Buy oversold, sell overbought
if rsi < 30:
    client.buy("ETH", usd=100)
elif rsi > 70:
    client.sell("ETH", usd=100)

👉 Full RSI example

Momentum Strategy

# Trend following with trailing stops
if price > recent_high:
    client.buy("BTC", usd=200)

👉 Full momentum example

Grid Trading

# Profit from sideways markets
for level in grid_levels:
    client.buy(symbol, price=level, usd=50)

👉 Full grid example

AI Agent

# Let your LLM make decisions
context = get_market_context(client, ["BTC", "ETH"])
decision = llm.chat(TRADING_PROMPT, context)
execute_trade(client, decision)

👉 Full AI agent example

Portfolio Rebalancer

# Maintain target allocations
targets = {"BTC": 50, "ETH": 30, "SOL": 20}
rebalance_portfolio(client, targets)

👉 Full rebalancer example

API Reference

Trading

# Market orders
client.buy("ETH", usd=100)      # Buy by USD value
client.buy("BTC", size=0.01)    # Buy by size

# Limit orders
client.buy("ETH", size=0.1, price=2000)

# Close positions
client.close("ETH")             # Close all of symbol
client.close("ETH", size=0.05)  # Partial close
client.close_all()              # Close everything

Position Management

# Get all positions
for pos in client.positions():
    print(f"{pos.symbol}: {pos.side} {pos.size}")
    print(f"  Entry: ${pos.entry_price}")
    print(f"  PnL: ${pos.unrealized_pnl} ({pos.pnl_percent}%)")

# Get specific position
eth_pos = client.position("ETH")

# Total PnL
total_pnl = client.pnl()

Market Data

# Get price
btc_price = client.price("BTC")

# Get all prices
prices = client.prices()

Account Info

balance = client.balance()    # Available USDC
equity = client.equity()      # Total value
summary = client.summary()    # Full details

Withdrawals

# Initialize with wallet for withdrawals
client = Arthur(
    api_key="...",
    secret_key="...",
    account_id="...",
    wallet_private_key="...",  # Required for withdrawals!
    chain_id=42161,  # Arbitrum One
)

# Withdraw 100 USDC to your wallet
result = client.withdraw(100)
print(f"Withdrawal ID: {result['withdraw_id']}")

# Withdraw to a different chain
client.withdraw(50, to_chain_id=10)  # Optimism

# Check withdrawal history
for w in client.withdrawal_history():
    print(f"{w['id']}: {w['amount']} USDC - {w['status']}")

👉 Full withdrawal example

Risk Management

client.set_leverage("ETH", 10)
client.set_stop_loss("ETH", price=1900)
client.set_stop_loss("ETH", pct=5)  # 5% stop

Credentials

Create a credentials.json:

{
    "api_key": "ed25519:xxx",
    "secret_key": "ed25519:xxx",
    "account_id": "0x..."
}

Get credentials from Arthur DEX or any Orderly-powered DEX.

Supported Markets

Short symbols work automatically:

Short	Full Symbol
BTC	PERP_BTC_USDC
ETH	PERP_ETH_USDC
SOL	PERP_SOL_USDC
ARB, OP, AVAX, LINK...	PERP_*_USDC

50+ perpetual markets available.

Testnet

client = Arthur(..., testnet=True)

Error Handling

from orderly_agent import Arthur, OrderError, InsufficientFundsError

try:
    client.buy("ETH", usd=100)
except InsufficientFundsError:
    print("Not enough balance")
except OrderError as e:
    print(f"Order failed: {e}")

Links

• Trade: arthurdex.com
• Twitter: @Arthur_Orderly
• Orderly Network: orderly.network

License

MIT

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Built by Arthur 🤖 for AI agents, powered by Orderly Network.