# Crosschain Payments Infrastructure

Every asset, every chain.

Crosschain payments infrastructure that connects your users’ funds to the entire multichain economy.

One integration. 85+ chains.

## Trusted by Leading Wallets and Wallet Infrastructure

## What Relay Enables

### Crosschain Swaps — Any to Any
Swap any asset across 85+ chains in a single API call. Users get the best execution, instantly — no routing complexity, no chain-specific logic on your end.

[Learn More](https://docs.relay.link/)

### Supercharge Stablecoins
Users hold stablecoins and access the entire onchain economy from them. Trade, lend, earn yield, enter prediction markets — across every chain. One balance, everything accessible.

[Learn More](https://docs.relay.link/)

### Onboarding From Anywhere
New users consolidate assets from 85+ chains into your wallet in a single flow. No bridging. No drop-off.

[Learn More](https://docs.relay.link/)

### Every Wallet Has Swaps.
The best use Relay.

### 85+ Chains
No "unsupported chain" dead ends

### Instant Execution
Seconds, not minutes

### Battle-tested Reliability
Operating at scale across billions in production volume

99.9%+

downtime

### $20B+ in Production

### Gasless & Gas Abstraction
Subsidize gas and support fully chain-abstracted experiences so users never have to think about native gas tokens.

[Learn More](https://docs.relay.link/features/gasless-swaps)

### Fee Sponsorship
Subsidize user fees so users receive 1:1 assets on every swap.

[Learn More](https://docs.relay.link/features/fee-sponsorship)

## Turn Crosschain Into Wallet Revenue
Collect fees on every swap and crosschain transaction. Settled in stablecoins on a single chain — no reconciliation.

[Learn about app fees](https://docs.relay.link/)

## Built for Every Wallet Segment

### Consumer Wallets
Phantom, MetaMask, and Rainbow use Relay for native crosschain swaps and DeFi access across every chain their users hold assets on.

### Enterprise Wallets for Institutions & Businesses
Privy, thirdweb, and Turnkey embed Relay to ship crosschain as a standard feature to every app they power — no custom build required.

### Integrate in a Day, Not Months
Single API for swaps, crosschain execution, and contract calls. Prepaid relayers so you build your own UX. Audited smart contracts.

[Go to API docs](https://docs.relay.link/references/api/overview)  [Check Audits](https://docs.relay.link/references/protocol/security)

```bash
curl --request POST \
     --url https://api.relay.link/quote \
     --header 'Content-Type: application/json' \
     --data '\n{\n   "user": "0x03508bb71268bba25ecacc8f620e01866650532c",\n   "originChainId": 8453,\n   "destinationChainId": 10,\n   "originCurrency":\n   "0x0000000000000000000000000000000000000000",\n   "destinationCurrency":\n   "0x0000000000000000000000000000000000000000",\n   "amount": "1000000000000000000",\n   "tradeType": "EXACT_INPUT"\n}"
```

## Ready to Make Every Chain Native to Your Wallet?

[Get in touch](https://docs.google.com/forms/d/e/1FAIpQLSduXej7eos01ZM6mWKu856Q3XA6nkyZSImR8zsDPTAcdqtPQA/viewform)  [Explore Quickstart Guide](https://docs.relay.link/references/api/quickstart)