Question 1

What is Rubin?

Accepted Answer

Rubin is a decentralized exchange for trading crypto perpetual futures and spot markets. It is self-custodial, so users keep control of their funds and trade directly from their own wallet with on-chain settlement and a transparent order book.

Question 2

Is Rubin self-custodial?

Accepted Answer

Yes. Rubin is non-custodial: orders and balances settle on-chain and you trade from a wallet you control. You can onboard with an existing crypto wallet or create a secure wallet using email or social login.

Question 3

What can I trade on Rubin?

Accepted Answer

Rubin offers hundreds of crypto perpetual futures markets — including BTC, ETH, SOL and many more — alongside spot markets, with advanced order types such as limit, market, stop-loss and take-profit, and cross-margin support.

Question 4

Does Rubin have a trading API?

Accepted Answer

Yes. Rubin provides programmatic access through API trading keys and an MCP server, enabling algorithmic trading, automated market making, and AI-agent trading. Market makers, brokers, and integrators can also embed Rubin and earn builder fees.

Question 5

What does it cost to trade on Rubin?

Accepted Answer

Rubin uses a low maker/taker fee schedule with volume-based fee tiers, plus trading rewards and an affiliate/referral program. There are no custodial fees because you hold your own funds.

Question 6

How many markets can I trade on Rubin?

Accepted Answer

Rubin lists 900+ crypto perpetual futures markets plus spot — one of the widest market selections of any decentralized exchange.

Question 7

Does Rubin support both spot and perpetuals?

Accepted Answer

Yes. Unlike perp-only venues, Rubin offers both spot markets and perpetual futures in one self-custody exchange.

Question 8

Can I trade on Rubin with an API, bot, or AI agent?

Accepted Answer

Yes. Rubin provides API trading keys and an MCP server for algorithmic trading, automated market making, and AI-agent trading.

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