Move Anything. Any Chain. Instantly.

Relay — Cross-Chain Bridge, Swaps & Payments

A lightning-fast crosschain protocol — bridge crypto, cross chain swap, and power web3 payments across 85+ chains in seconds. No friction. No waiting.

Start Swapping on Relay

Built for Payments. Not Just Bridging.

Payments-Grade Speed

Cheap, fast, and reliable crosschain transactions — most complete in under 2 seconds across 85+ chains, with 99.9% uptime. The blockchain interoperability standard fintech and wallet teams hold their stack to.

Enterprise Feature Suite

Fee sponsorship, premium app fees, SLAs, referrer tracking, and smart wallet support (ERC-4337) — everything enterprise teams need for crypto payment infrastructure, in a single blockchain API integration.

Proven at Scale

$20B+ settled across 85+ chains, powering Phantom, MetaMask, Fomo, and 100+ active integrations. Multichain bridge and swap infrastructure teams choose when reliability is non-negotiable.

One Integration

Connect users to the entire onchain economy. Relay is the interoperability layer for wallets, multichain apps, chains, and commerce — bridge digital assets without stitching together fragile custom routes.

Bridge, Swap & Pay Across Chains

Relay cross chain bridge across 85+ chains

Cross-Chain Bridge

Move digital assets safely with a modern blockchain bridge. Relay is a multichain bridge built for blockchain interoperability — bridge crypto across 85+ chains with payments-grade speed instead of multi-minute waits.

Relay cross chain swap and DEX aggregator

Cross-Chain Swaps

Instant token swap flows with smart routing and liquidity aggregator design for lowest slippage swaps across chains.

Relay cross chain payments infrastructure

Web3 Payments

Crypto payment infrastructure and blockchain payment gateway tooling for apps that need cross chain payments that feel like commerce.

Relay account abstraction and gasless transactions

Account Abstraction Ready

Smart wallet support, ERC-4337, and gasless transactions — Relay's web3 infrastructure and blockchain API help wallets ship a better user experience without custom bridging stacks.

Why Teams Choose Relay

The interoperability layer for the onchain economy — bridge, swap, and pay without friction.

85+ Chains

One multichain bridge and swap surface for the chains your users already hold.

<2s Settles

Payments-grade latency so bridge crypto and swap flows feel instant, not batchy.

$20B+ Volume

Proven blockchain interoperability at scale for wallets and commerce apps.

Developer Ready

A blockchain API and web3 infrastructure stack built to ship, not just demo.

Learn Relay

Cross-Chain Bridges Explained

How to move digital assets across blockchains safely with a modern cross chain bridge and multichain bridge design.

Cross-Chain Swaps Explained

A complete guide to instant token swap, DEX aggregator routing, smart routing, and lowest slippage swaps.

The Future of Web3 Payments

How cross chain payments and crypto payment infrastructure are changing digital finance.

Account Abstraction & Gasless Txns

ERC-4337, smart wallet UX, gasless transactions, and the blockchain API layer behind better web3 infrastructure.

Guides & Articles

Browse Relay bridge, swap & payments guides

Documentation

Relay Docs

Launch App

Bridge & swap on Relay

Ready to Move Across Chains?

Whether you're bridging funds or building the next generation of financial products — Relay is the crosschain infrastructure underneath. Start swapping or build with Relay today.

Start Swapping on Relay

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© Relay 2026 — Cross-chain bridge, swaps & payments across 85+ chains.