On February 25, 2026, 0x opened private beta access to its cross-chain API. The company develops decentralized exchange infrastructure for crypto applications. This new product will enable developers to perform token swaps across over 15 blockchains, including major EVM networks and Solana, through a single integration.
The API is built to address cross-chain liquidity fragmentation. Aggregate liquidity and route transactions through multiple bridge providers. The system can optimize swaps for price or execution speed, depending on the developer’s settings.
Developers can stream quotes as soon as they are available and monitor errors through improved tracking tools. The API is provided as a REST interface with documentation and integration guides published on the company’s website.
This release comes amidst the emergence of new payment standards for automated systems. These include Coinbase’s x402, Google’s AP2, and OpenAI’s Agentic Commerce Protocol. 0x states that the cross-chain API is designed to integrate with such frameworks.
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