End of support notice: On September 15, 2025, AWS will discontinue support for Amazon Lex V1. After September 15, 2025, you will no longer be able to access the Amazon Lex V1 console or Amazon Lex V1 resources. If you are using Amazon Lex V2, refer to the [Amazon Lex V2 guide](https://docs.aws.amazon.com/lexv2/latest/dg/what-is.html) instead. . 

# DeleteSlotTypeVersion
<a name="API_DeleteSlotTypeVersion"></a>

Deletes a specific version of a slot type. To delete all versions of a slot type, use the [DeleteSlotType](API_DeleteSlotType.md) operation. 

This operation requires permissions for the `lex:DeleteSlotTypeVersion` action.

## Request Syntax
<a name="API_DeleteSlotTypeVersion_RequestSyntax"></a>

```
DELETE /slottypes/name/version/version HTTP/1.1
```

## URI Request Parameters
<a name="API_DeleteSlotTypeVersion_RequestParameters"></a>

The request uses the following URI parameters.

 ** [name](#API_DeleteSlotTypeVersion_RequestSyntax) **   <a name="lex-DeleteSlotTypeVersion-request-uri-name"></a>
The name of the slot type.  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `^([A-Za-z]_?)+$`   
Required: Yes

 ** [version](#API_DeleteSlotTypeVersion_RequestSyntax) **   <a name="lex-DeleteSlotTypeVersion-request-uri-version"></a>
The version of the slot type to delete. You cannot delete the `$LATEST` version of the slot type. To delete the `$LATEST` version, use the [DeleteSlotType](API_DeleteSlotType.md) operation.  
Length Constraints: Minimum length of 1. Maximum length of 64.  
Pattern: `[0-9]+`   
Required: Yes

## Request Body
<a name="API_DeleteSlotTypeVersion_RequestBody"></a>

The request does not have a request body.

## Response Syntax
<a name="API_DeleteSlotTypeVersion_ResponseSyntax"></a>

```
HTTP/1.1 204
```

## Response Elements
<a name="API_DeleteSlotTypeVersion_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 204 response with an empty HTTP body.

## Errors
<a name="API_DeleteSlotTypeVersion_Errors"></a>

 ** BadRequestException **   
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

 ** ConflictException **   
 There was a conflict processing the request. Try your request again.   
HTTP Status Code: 409

 ** InternalFailureException **   
An internal Amazon Lex error occurred. Try your request again.  
HTTP Status Code: 500

 ** LimitExceededException **   
The request exceeded a limit. Try your request again.  
HTTP Status Code: 429

 ** NotFoundException **   
The resource specified in the request was not found. Check the resource and try again.  
HTTP Status Code: 404

 ** ResourceInUseException **   
The resource that you are attempting to delete is referred to by another resource. Use this information to remove references to the resource that you are trying to delete.  
The body of the exception contains a JSON object that describes the resource.  
 `{ "resourceType": BOT | BOTALIAS | BOTCHANNEL | INTENT,`   
 `"resourceReference": {`   
 `"name": string, "version": string } }`     
 ** exampleReference **   
Describes the resource that refers to the resource that you are attempting to delete. This object is returned as part of the `ResourceInUseException` exception. 
HTTP Status Code: 400

## See Also
<a name="API_DeleteSlotTypeVersion_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/lex-models-2017-04-19/DeleteSlotTypeVersion) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/lex-models-2017-04-19/DeleteSlotTypeVersion) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/lex-models-2017-04-19/DeleteSlotTypeVersion) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/lex-models-2017-04-19/DeleteSlotTypeVersion) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/lex-models-2017-04-19/DeleteSlotTypeVersion) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/lex-models-2017-04-19/DeleteSlotTypeVersion) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/lex-models-2017-04-19/DeleteSlotTypeVersion) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/lex-models-2017-04-19/DeleteSlotTypeVersion) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/lex-models-2017-04-19/DeleteSlotTypeVersion) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/lex-models-2017-04-19/DeleteSlotTypeVersion)