
IDEX
IDEX is a hybrid decentralized exchange that pairs an offchain order book with onchain settlement on Ethereum, BNB Chain, and Polygon.

What is IDEX?
IDEX is a hybrid decentralized exchange that runs an offchain matching engine and settles trades onchain on Ethereum, BNB Chain, Polygon, and Polkadot. Traders get order-book features like stop-loss, take-profit, and fill-or-kill orders while keeping self-custody of their assets, with no failed trades or front-running on filled orders.
Web3 dapps and developer tools related to IDEX
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Developer resources from Alchemy

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Agentic payments let AI agents pay for APIs, data, and services on their own, with no human at checkout. Learn how x402 works and powers agentic commerce.

Katana support is live on Alchemy
Katana, a DeFi-native L2 on the OP Stack, is now supported on Alchemy. Learn how Vault Bridge yield, core app integrations, and Alchemy infrastructure help teams ship with confidence.

How Struct is building the data layer for onchain finance with Alchemy
Struct uses Alchemy node APIs and WebSockets to power the data layer for onchain finance, with one partner for its expanding multi-chain footprint.
IDEX alternatives
Explore web3 competitors and apps like IDEX.
App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.

