<p>Deletes one or more task definitions.</p> <p>You must deregister a task definition revision before you delete it. For more information, see <a href="https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_DeregisterTaskDefinition.html">DeregisterTaskDefinition</a>.</p> <p>When you delete a task definition revision, it is immediately transitions from the <code>INACTIVE</code> to <code>DELETE_IN_PROGRESS</code>. Existing tasks and services that reference a <code>DELETE_IN_PROGRESS</code> task definition revision continue to run without disruption. Existing services that reference a <code>DELETE_IN_PROGRESS</code> task definition revision can still scale up or down by modifying the service's desired count.</p> <p>You can't use a <code>DELETE_IN_PROGRESS</code> task definition revision to run new tasks or create new services. You also can't update an existing service to reference a <code>DELETE_IN_PROGRESS</code> task definition revision.</p> <p> A task definition revision will stay in <code>DELETE_IN_PROGRESS</code> status until all the associated tasks and services have been terminated.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}

<p>Deletes one or more task definitions.</p> <p>You must deregister a task definition revision before you delete it. For more information, see <a href="https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_DeregisterTaskDefinition.html">DeregisterTaskDefinition</a>.</p> <p>When you delete a task definition revision, it is immediately transitions from the <code>INACTIVE</code> to <code>DELETE_IN_PROGRESS</code>. Existing tasks and services that reference a <code>DELETE_IN_PROGRESS</code> task definition revision continue to run without disruption. Existing services that reference a <code>DELETE_IN_PROGRESS</code> task definition revision can still scale up or down by modifying the service's desired count.</p> <p>You can't use a <code>DELETE_IN_PROGRESS</code> task definition revision to run new tasks or create new services. You also can't update an existing service to reference a <code>DELETE_IN_PROGRESS</code> task definition revision.</p> <p> A task definition revision will stay in <code>DELETE_IN_PROGRESS</code> status until all the associated tasks and services have been terminated.</p>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}