The Limit Order SDK provides a built-in `Api` class for querying orders from the 1inch Orderbook. You can retrieve orders by hash, by maker address, or browse all active orders with pagination support.

## Prerequisites

You need:

- A 1inch API key (get one at [1inch Business](https://business.1inch.com/portal))
- The `@1inch/limit-order-sdk` package installed

No wallet or private key is required for read-only queries.

## Setting up the API client

```javascript
import { Api, FetchProviderConnector, CursorPager } from "@1inch/limit-order-sdk";

const api = new Api({
  networkId: 1, // Ethereum mainnet
  authKey: "your-api-key",
  httpConnector: new FetchProviderConnector()
});
```

## Query by order hash

If you have an order hash from a previous submission, you can retrieve its full details:

```javascript
const order = await api.getOrderByHash(orderHash);
console.log("Maker Asset:", order.data.makerAsset);
console.log("Taker Asset:", order.data.takerAsset);
console.log("Making Amount:", order.data.makingAmount);
console.log("Taking Amount:", order.data.takingAmount);
```

## Query by maker address

To retrieve all orders created by a specific wallet address, use `getOrdersByMaker` with pagination:

```javascript
const response = await api.getOrdersByMaker(makerAddress, {
  pager: new CursorPager({ limit: 10 }),
  statuses: [1] // 1 = active orders only
});

for (const order of response.items) {
  console.log("Maker Asset:", order.data.makerAsset);
  console.log("Taking Amount:", order.data.takingAmount);
}
```

### Status codes

| Status | Meaning   |
| ------ | --------- |
| 1      | Active    |
| 2      | Filled    |
| 3      | Expired   |
| 4      | Cancelled |

## Query all active orders

To browse the full orderbook, use `getAllOrders` with pagination:

```javascript
const response = await api.getAllOrders({
  pager: new CursorPager({ limit: 5 }),
  statuses: [1]
});

console.log(`Found ${response.items.length} active orders`);
```

## Full working example

<stackblitz example="limit-order" file="src/query-orderbook.ts" />