> For the complete documentation index, see [llms.txt](https://api-documentation.autoshares.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api-documentation.autoshares.dev/rest-api/trading-api/watchlists/create-new-watchlist/watchlists_createwatchlist.md).

# Syntax

## Create watchlist

```
POST /v{version}/users/{userId}/watchlists
```

### Description

This API endpoint enables you to create a new watchlist.

### Parameters

| Type       | Name                                     | Description                                                                                                                                 | Schema                                                                                                                           | Default |
| ---------- | ---------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------- | ------- |
| **Header** | **Authorization**   *required*           | This is the authorization token that you retrieved from the first endpoint (/token).                                                        | string                                                                                                                           |         |
| **Header** | **Et-App-Key**   *required*              | This is your app’s unique key that can be retrieved from the BO Companies widget in Autoshares Trader.                                      | string                                                                                                                           |         |
| **Path**   | **userId**   *required*                  | This is the internal identifier of the user for whom a new watchlist needs to be created.                                                   | integer (int32)                                                                                                                  |         |
| **Path**   | **version**   *required*                 | This is the version of the API. Unless you have multiple versions of Autoshares Trader’s API deployed in your environment, leave it at 1.0. | string                                                                                                                           | `"1"`   |
| **Query**  | **resultIncludeSecurities**   *required* | This boolean parameter indicates if the list of securities in the watchlist should be returned in the request response.                     | boolean                                                                                                                          |         |
| **Body**   | **body**   *required*                    | This is JSON data that contains information about the new watchlist as well as the list of securities the watchlist should contain.         | [CreateWatchlistModel](/rest-api/trading-api/watchlists/create-new-watchlist/watchlists_createwatchlist.md#createwatchlistmodel) |         |

### Responses

| HTTP Code | Description                                                                                                                                                                        | Schema                                                                                                               |
| --------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------- |
| **200**   | Successful request, JSON data containing the information about the new watchlist is returned (along with its securities if the resultIncludeSecurities parameter was set to true). | [WatchlistModel](/rest-api/trading-api/watchlists/create-new-watchlist/watchlists_createwatchlist.md#watchlistmodel) |
| **401**   | The access level of the provided authorization token is not sufficient to perform this operation.                                                                                  | No Content                                                                                                           |
| **403**   | The provided Et-App-Key is incorrect.                                                                                                                                              | No Content                                                                                                           |
| **409**   | The watchlist couldn’t be created because another watchlist with the same name already exists or the specified securities couldn’t be added.                                       | [WatchlistModel](/rest-api/trading-api/watchlists/create-new-watchlist/watchlists_createwatchlist.md#watchlistmodel) |
| **422**   | A validation error occurred while processing the request.                                                                                                                          | No Content                                                                                                           |
| **500**   | Internal server error                                                                                                                                                              | No Content                                                                                                           |

### Consumes

* `application/json`
* `text/json`

### Produces

* `application/json`
* `text/json`