
n.exchange
n.exchange is an instant crypto swap service and developer API that lets users trade across chains without creating an account.

What is n.exchange?
n.exchange provides instant crypto-to-crypto and crypto-to-fiat swaps for individual users and developers building exchange features. Users execute immediate swaps across multiple chains without registration, while developers integrate the REST and WebSocket API to embed exchange flows into their own apps. The platform also supports self-custodial cross-chain swaps through DeFi-powered order types.
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Developer resources from Alchemy

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UTXO chains for developers: how Bitcoin, Litecoin, Dogecoin, and Bitcoin Cash differ from EVM, what infrastructure you need, and how Alchemy delivers it.

How Slingshot built cross-chain trading with Webhooks
Slingshot 2.0 supports instant trading of over 300K tokens across Solana, Ethereum, and various L2s. What sets them apart? Users can trade any token across any chain without worrying about bridging or gas fees - all powered by Alchemy Webooks.
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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.

