GetSlotTypes - Amazon Lex V1

If you are using Amazon Lex V2, refer to the Amazon Lex V2 guide instead.


If you are using Amazon Lex V1, we recommend upgrading your bots to Amazon Lex V2. We are no longer adding new features to V1 and strongly recommend using V2 for all new bots.


Returns slot type information as follows:

  • If you specify the nameContains field, returns the $LATEST version of all slot types that contain the specified string.

  • If you don't specify the nameContains field, returns information about the $LATEST version of all slot types.

The operation requires permission for the lex:GetSlotTypes action.

Request Syntax

GET /slottypes/?maxResults=maxResults&nameContains=nameContains&nextToken=nextToken HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.


The maximum number of slot types to return in the response. The default is 10.

Valid Range: Minimum value of 1. Maximum value of 50.


Substring to match in slot type names. A slot type will be returned if any part of its name matches the substring. For example, "xyz" matches both "xyzabc" and "abcxyz."

Length Constraints: Minimum length of 1. Maximum length of 100.

Pattern: ^([A-Za-z]_?)+$


A pagination token that fetches the next page of slot types. If the response to this API call is truncated, Amazon Lex returns a pagination token in the response. To fetch next page of slot types, specify the pagination token in the next request.

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 Content-type: application/json { "nextToken": "string", "slotTypes": [ { "createdDate": number, "description": "string", "lastUpdatedDate": number, "name": "string", "version": "string" } ] }

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.


If the response is truncated, it includes a pagination token that you can specify in your next request to fetch the next page of slot types.

Type: String


An array of objects, one for each slot type, that provides information such as the name of the slot type, the version, and a description.

Type: Array of SlotTypeMetadata objects



The request is not well formed. For example, a value is invalid or a required field is missing. Check the field values, and try again.

HTTP Status Code: 400


An internal Amazon Lex error occurred. Try your request again.

HTTP Status Code: 500


The request exceeded a limit. Try your request again.

HTTP Status Code: 429


The resource specified in the request was not found. Check the resource and try again.

HTTP Status Code: 404

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: