# Arcus: safety score, custody and pricing | TradingAgentStack

> Arcus: AI can trade directly. Live and paper or demo trading. Safety 68%. No API fee. Sourced, checked 2026-11-10.

Canonical: https://tradingagentstack.com/tool/arcus/

1. [Home](https://tradingagentstack.com/)

2. [Exchanges & brokers for bots](https://tradingagentstack.com/category/bot-exchange/)

A

# Arcus

It can place orders without you approving each one. Paper trading is available.

[**68****Safety score**68% of the points we could checkHow much of your money is at risk if this tool, or an AI agent using it, is wrong, hacked or prompt-injected. Higher is safer.](#safety)

Last checked **2026-11-10****6** official sources linked[How we score](https://tradingagentstack.com/methodology/)[Incident tracker](https://tradingagentstack.com/incidents/)

Can trade unattended**From our listing**Official MCP server for the docs only (it can't trade). Keys made through the public API are trade-only and expire; a withdrawal needs the wallet's own signature and only pays your own address

Category[Crypto exchanges](https://tradingagentstack.com/crypto-exchanges-for-trading-bots/)
Pricingno API fee
Best forCrypto exchanges · perpetuals on stocks, indexes, commodities and crypto, tokenized stocks (spot)
Verified2026-11-10

[Visit Arcus](https://tradingagentstack.com/go/arcus/?from=/tool/arcus/) Affiliate link where available · [disclosure](https://tradingagentstack.com/disclosure/)

Official site (source): [https://arcus.xyz/](https://arcus.xyz/)

## Safety score

[Safety 68%](https://tradingagentstack.com/safety-score/) Can trade unattended. If this tool, or an AI agent using it, is wrong, hacked or prompt-injected, how much of your money is at risk? Higher is safer. Not a ranking; affiliate links never affect it. [How it's calculated](https://tradingagentstack.com/safety-score/) · [Incidents](https://tradingagentstack.com/incidents/)

| Input | From official docs or our listing | Points |
| --- | --- | --- |
| Human approval | API orders execute with no per-order approval step [source](https://docs.arcus.xyz/api-reference/authentication) | 0 / 25 |
| Guardrails outside the agent | No per-order approval; a scheduled cancel-all (dead-man's switch) limits what is left open if the bot stops (official docs) [source](https://docs.arcus.xyz/api-reference/rate-limits) | 8 / 15 |
| Test before real money | Public testnet on Robinhood Chain testnet; the app credits about $1,000 of test collateral (official docs) [source](https://docs.arcus.xyz/guides/fund-testnet-account) | 15 / 15 |
| Sending funds out | Keys made through the public API are trade-only; a withdrawal needs the wallet's own signature and only pays the owner's own address (official docs) [source](https://docs.arcus.xyz/api-reference/exchange/submit-withdrawal) | 15 / 15 |
| Who holds the keys | Revocable keys with an expiry date, each one bound to one of ten subaccounts (official docs) [source](https://docs.arcus.xyz/concepts/subaccounts) | 10 / 10 |
| Open source or audited | Trail of Bits and OpenZeppelin reviewed the on-chain contracts; the matching engine is run by Arcus and is not open source (official docs) [source](https://docs.arcus.xyz/concepts/exchange-architecture) | 10 / 10 |
| Incident record (last 12 months) | No incident naming this tool in our incident tracker in the last 12 months ([incident tracker](https://tradingagentstack.com/incidents/)) | 10 / 10 |
| Total | 68% of the points we could check | **68 / 100** |

## Full facts

| Category | Exchanges & brokers for bots |
| --- | --- |
| Assets | perpetuals on stocks, indexes, commodities and crypto, tokenized stocks (spot) |
| Live vs paper | live; public testnet (the app credits about $1,000 of test collateral) |
| Order approval / safety | Official MCP server for the docs only (it can't trade). Keys made through the public API are trade-only and expire; a withdrawal needs the wallet's own signature and only pays your own address |
| Pricing / free tier | no API fee; fees are tiered by volume and set per market, with no rates in the docs (the API returns them) |
| Rate limits | REST: 1,500 weight per minute per IP. Orders: 20,000 orders and 40,000 cancels per subaccount to start, growing with traded volume. |
| Official / community | official |
| Last checked | 2026-11-10 |
| Source | [docs.arcus.xyz](https://docs.arcus.xyz/api-reference/authentication) |
| Regions (US / UK / EU) | Not available in the US, Canada, the UK and other restricted places (docs disclaimer). |

See also: [Keep what the bot doesn't trade in a scored hardware wallet](https://tradingagentstack.com/custody/)

Safety check: [Is Arcus safe to connect to an AI agent?](https://tradingagentstack.com/tool/arcus/is-it-safe/)

## Related: Crypto exchanges

- [Binance](https://tradingagentstack.com/tool/binance/)

- [Bybit](https://tradingagentstack.com/tool/bybit/)

- [OKX](https://tradingagentstack.com/tool/okx/)

- [Kraken](https://tradingagentstack.com/tool/kraken/)

- [Coinbase Advanced](https://tradingagentstack.com/tool/coinbase-advanced/)

- [Hyperliquid](https://tradingagentstack.com/tool/hyperliquid/)

Are you the maker? [Claim this listing](mailto:hello@tradingagentstack.com?subject=Claim%20listing%3A%20Arcus) (adds a separate "Provided by vendor" box; it never changes our sourced facts), [Add a "Listed on TradingAgentStack" badge](https://tradingagentstack.com/badge/) or [send a correction](https://tradingagentstack.com/submit/).
[Want Arcus running 24/7 on a VPS with your strategy, kill switch and alerts? →](https://tradingagentstack.com/go/build?from=/tool/arcus/&cta=bot-exchange)

## More in Markets & infrastructure
[Crypto exchanges](https://tradingagentstack.com/crypto-exchanges-for-trading-bots/)[Prediction markets](https://tradingagentstack.com/prediction-market-apis/)[Broker APIs](https://tradingagentstack.com/category/broker-api/)[Market data APIs](https://tradingagentstack.com/category/data-api/)[Backtesting](https://tradingagentstack.com/category/backtest-platform/)[VPS & hosting](https://tradingagentstack.com/vps-for-trading-bots/)[Best crypto exchanges for bots](https://tradingagentstack.com/best-crypto-exchanges-for-trading-bots/)[Best perp DEXs for bots](https://tradingagentstack.com/best-perp-dex-for-trading-bots/)[Best prediction market APIs](https://tradingagentstack.com/best-prediction-market-apis-for-ai-agents/)[Best free market data APIs](https://tradingagentstack.com/best-free-market-data-apis/)[Market data API pricing](https://tradingagentstack.com/market-data-api-pricing/)[Exchange API key safety](https://tradingagentstack.com/exchange-api-key-safety/)

Other paths: [Trade with a bot](https://tradingagentstack.com/trade-with-a-bot/) · [Build an AI agent](https://tradingagentstack.com/build-an-ai-agent/) · [Learn](https://tradingagentstack.com/learn-algorithmic-trading/) · [Search all tools](https://tradingagentstack.com/tools/)

This page has an open sponsor slot: labelled Sponsored, and it never changes a fact, score or rank. [Packages and prices](https://tradingagentstack.com/advertise/#packages)

Disclosure: some links on this page are affiliate links; we may earn a commission at no cost to you. It never affects rankings or facts. [Read our disclosure](https://tradingagentstack.com/disclosure/)

Is this your tool? [Send a correction](https://tradingagentstack.com/submit/) with an official source, add the [badge](https://tradingagentstack.com/badge/), or [get it Featured](https://tradingagentstack.com/advertise/#featured). Listing is free and money never changes the score.

Before you pick one, see [the AI trading bot leaderboard](https://tradingagentstack.com/ai-trading-leaderboard/): returns and drawdowns we compute from public venue data, not screenshots, with a 30% drawdown gate. Industry numbers are in the [AI trading bot statistics](https://tradingagentstack.com/ai-trading-bot-statistics/). Run one yourself? [Get your agent verified](https://tradingagentstack.com/get-your-ai-agent-verified/).

## For agents

- [When to use this site, and the page index](https://tradingagentstack.com/llms.txt)
- [Sitemap](https://tradingagentstack.com/sitemap.xml)
- [Contact](https://tradingagentstack.com/contact/)
- [MCP server](https://tradingagentstack.com/mcp/)
- [MCP discovery](https://tradingagentstack.com/.well-known/mcp)