The Across API is being upgraded. V4 will be deprecated soon and integration support for V4 has ended. To learn more, reach out here.

NewBridge to Hyperliquid for freeAcross Builder

Across Developer Documentation

The fastest crosschain infrastructure for builders.

$40B+
Bridged
<2s
Fill Time
26+
Chains

Integrate Across

Start building with the Swap API and go live in under an hour.

API Reference

Full endpoint docs with parameters, schemas, and code samples.

AI Agents

Let AI agents execute cross-chain actions on behalf of users.

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