GetBuiltinSlotTypes - 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.


Gets a list of built-in slot types that meet the specified criteria.

For a list of built-in slot types, see Slot Type Reference in the Alexa Skills Kit.

This operation requires permission for the lex:GetBuiltInSlotTypes action.

Request Syntax

GET /builtins/slottypes/?locale=locale&maxResults=maxResults&nextToken=nextToken&signatureContains=signatureContains HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.


A list of locales that the slot type supports.

Valid Values: de-DE | en-AU | en-GB | en-IN | en-US | es-419 | es-ES | es-US | fr-FR | fr-CA | it-IT | ja-JP | ko-KR


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.


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 the next page of slot types, specify the pagination token in the next request.


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

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 Content-type: application/json { "nextToken": "string", "slotTypes": [ { "signature": "string", "supportedLocales": [ "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, the response includes a pagination token that you can use in your next request to fetch the next page of slot types.

Type: String


An array of BuiltInSlotTypeMetadata objects, one entry for each slot type returned.

Type: Array of BuiltinSlotTypeMetadata 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

See Also

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