Cross-Chain API is Generally Available

0x Cross-Chain API is now available to all customers with a 0x account: one integration that covers every touchpoint, end-to-end.

Now, your product can spin up cross-chain swaps that keep your users engaged, without stitching together providers. Handle route discovery, bridge coverage, execution logic, fallback handling, tracking, monitoring, and support workflows, all with one solution.

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Cross-Chain API is quick to set up, even alongside your existing solution, so try it today with 3 months of zero swap fees.

Built for clarity, end to end

The recurring problem we hear from customers is not whether they want to offer cross-chain swaps, it’s how to avoid them becoming an operational burden. The expected user experience is simple: quote, confirm, track, complete; the implementation is not.

Cross-chain transactions can involve multiple steps across multiple networks and providers. Without clear visibility into the full lifecycle, users are left wondering where their funds are, and support teams have to piece together context from different systems. This is where operational clarity matters.

0x Cross-Chain API is designed to manage the full cross-chain swap flow, from route discovery through completion. Add cross-chain swaps to your products while 0x handles the infrastructure complexity behind the scenes.

The result is a clearer operating model for cross-chain swaps, that meets your users’ expectations and reduces customer churn whether you’re building for enterprise or retail consumers.

What you can build with Cross-Chain API

Any product that moves value across assets, chains, or markets eventually runs into the same problem: users start with one asset on one chain, while the product, merchant, or recipient needs a different asset somewhere else.

With Cross-Chain API, your product can support experiences like:

A cleaner way to ship cross-chain swaps

Cross-chain functionality should not require every app to build and maintain its own bridge infrastructure stack. 0x Cross-Chain API gives teams a cleaner path: one integration, more visibility, and less vendor sprawl.

Let’s build your next pilot together, with zero swap fees until September 3, 2026.