# CreateChat
<a name="API_CreateChat"></a>

Creates a new chat execution in the specified agent space

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

```
POST /agents/agent-space/agentSpaceId/chat/create?userId=userId&userType=userType HTTP/1.1
```

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

The request uses the following URI parameters.

 ** [agentSpaceId](#API_CreateChat_RequestSyntax) **   <a name="devopsagent-CreateChat-request-uri-agentSpaceId"></a>
Unique identifier for an agent space (allows alphanumeric characters and hyphens; 1-64 characters)  
Pattern: `[a-zA-Z0-9-]{1,64}`   
Required: Yes

 ** [userId](#API_CreateChat_RequestSyntax) **   <a name="devopsagent-CreateChat-request-uri-userId"></a>
The user identifier for the chat. This field is deprecated and will be ignored — the service resolves user identity from the authenticated session.  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9_.-]+` 

 ** [userType](#API_CreateChat_RequestSyntax) **   <a name="devopsagent-CreateChat-request-uri-userType"></a>
The authentication type of the user  
Valid Values: `IAM | IDC | IDP` 

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

The request does not have a request body.

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

```
HTTP/1.1 200
Content-type: application/json

{
   "createdAt": number,
   "executionId": "string"
}
```

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

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

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

 ** [createdAt](#API_CreateChat_ResponseSyntax) **   <a name="devopsagent-CreateChat-response-createdAt"></a>
Timestamp when the chat was created  
Type: Timestamp

 ** [executionId](#API_CreateChat_ResponseSyntax) **   <a name="devopsagent-CreateChat-response-executionId"></a>
The unique identifier for the created execution  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 128.  
Pattern: `[a-zA-Z0-9_.-]+` 

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

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
Access to the requested resource is denied due to insufficient permissions.    
 ** message **   
Detailed error message describing why access was denied.
HTTP Status Code: 403

 ** ConflictException **   
The request conflicts with the current state of the resource.    
 ** message **   
Detailed error message describing the conflict.
HTTP Status Code: 409

 ** ContentSizeExceededException **   
This exception is thrown when the content size exceeds the allowed limit.  
HTTP Status Code: 413

 ** InternalServerException **   
This exception is thrown when an unexpected error occurs in the processing of a request.  
HTTP Status Code: 500

 ** InvalidParameterException **   
One or more parameters provided in the request are invalid.    
 ** message **   
Detailed error message describing which parameter is invalid and why.
HTTP Status Code: 400

 ** ResourceNotFoundException **   
The requested resource could not be found.    
 ** message **   
Detailed error message describing which resource was not found.
HTTP Status Code: 404

 ** ServiceQuotaExceededException **   
The request would exceed the service quota limit.    
 ** message **   
Detailed error message describing which quota was exceeded.
HTTP Status Code: 402

 ** ThrottlingException **   
The request was throttled due to too many requests. Please slow down and try again.    
 ** message **   
Detailed error message describing the throttling condition.
HTTP Status Code: 429

 ** ValidationException **   
The input fails to satisfy the constraints specified by the service.    
 ** fieldList **   
A list of specific failures encountered while validating the input. A member can appear in this list more than once if it failed to satisfy multiple constraints.  
 ** message **   
A summary of the validation failure.
HTTP Status Code: 400

## See Also
<a name="API_CreateChat_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/devops-agent-2026-01-01/CreateChat) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/devops-agent-2026-01-01/CreateChat) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/devops-agent-2026-01-01/CreateChat) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/devops-agent-2026-01-01/CreateChat) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/devops-agent-2026-01-01/CreateChat) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/devops-agent-2026-01-01/CreateChat) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/devops-agent-2026-01-01/CreateChat) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/devops-agent-2026-01-01/CreateChat) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/devops-agent-2026-01-01/CreateChat) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/devops-agent-2026-01-01/CreateChat)