# Get Trading Pairs

> Fetch trading pairs from Zert's backend.

### `get`

Retrieves the list of trading pairs.

**Parameters**

* `params` (PairsQueryParams, optional)
  * `chainRef` (string)
  * `tokenIn` (string)
  * `tokenOut` (string)
  * `limit` (number)
  * `cursor` (string)
  * `supportedOnly` (string | boolean)
  * `debug` (string | boolean)

**Returns**

A Promise that resolves to `PairsResponse`.

* `data.pairs` (Pair\[]): List of pairs.
* `data.nextCursor` (string, optional): Cursor for next page.
* `meta.requestId` (string): Request identifier.
* `meta.timestamp` (string): Response timestamp.

Each **Pair** has: `fromChain`, `toChain`, `tokenIn`, and `tokenOut`.

```typescript
import { RoutingEngineSDK } from 'routing-engine-sdk';

const sdk = new RoutingEngineSDK({
  api: { apiKey: 'your-api-key' },
});

try {
  const response = await sdk.pairs.get({
    chainRef: 'eth-mainnet',
    tokenIn: 'USDC',
    tokenOut: 'USDT',
    limit: 50,
  });
  console.log(response.data.pairs);
  console.log('Next cursor:', response.data.nextCursor);
} catch (error) {
  console.error(error);
}
```


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