> ## Documentation Index
> Fetch the complete documentation index at: https://docs.konstantly.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Activate User

> Activate (unban) a deactivated user account

Reactivate a previously deactivated user account, allowing them to log in again.

## Request Headers

<ParamField header="X-API-KEY" type="string" required>
  API Key. Go to your Konstantly site > Settings > API and copy the value from there.
</ParamField>

## URL Parameters

<ParamField path="userId" type="string" required>
  User API ID to activate
</ParamField>

## Response

Returns an empty response on success.

### Error Responses

<ResponseField name="404" type="object">
  Returned when user is not found

  <Expandable title="Error object properties">
    <ResponseField name="status" type="integer" required>HTTP status code (404)</ResponseField>
    <ResponseField name="message" type="string" required>Error message</ResponseField>
  </Expandable>
</ResponseField>

<ResponseField name="402" type="object">
  Returned when license limit is exceeded and user cannot be activated

  <Expandable title="Error object properties">
    <ResponseField name="status" type="integer" required>HTTP status code (402)</ResponseField>
    <ResponseField name="message" type="string" required>Payment required message</ResponseField>
  </Expandable>
</ResponseField>

<RequestExample>
  ```bash cURL theme={null}
  curl --request DELETE \
  --url 'https://YOURSITE.konstant.ly/openapi/v1/users/blocked/1234567890' \
  --header 'X-API-KEY: 1qaz2wsx3edc4rfv1qaz2wsx3edc4rfv'
  ```

  ```python Python theme={null}
  import requests

  def activate_user(api_key: str, user_id: str) -> bool:
      url = f"https://YOURSITE.konstant.ly/openapi/v1/users/blocked/{user_id}"
      headers = {"X-API-KEY": api_key}

      response = requests.delete(url, headers=headers)

      if response.status_code == 404:
          raise ValueError(f"User {user_id} not found")

      if response.status_code == 402:
          raise ValueError("License limit exceeded. Upgrade your plan to activate more users.")

      response.raise_for_status()
      return True

  # Example usage
  try:
      if activate_user("1qaz2wsx3edc4rfv1qaz2wsx3edc4rfv", "1234567890"):
          print("User has been activated successfully")
  except Exception as e:
      print(f"Failed to activate user: {str(e)}")
  ```

  ```javascript Node.js theme={null}
  const axios = require('axios');

  async function activateUser(apiKey, userId) {
      try {
          await axios.delete(
              `https://YOURSITE.konstant.ly/openapi/v1/users/blocked/${userId}`,
              {
                  headers: { 'X-API-KEY': apiKey }
              }
          );
          return true;
      } catch (error) {
          if (error.response?.status === 404) {
              throw new Error(`User ${userId} not found`);
          }
          if (error.response?.status === 402) {
              throw new Error('License limit exceeded. Upgrade your plan.');
          }
          throw error;
      }
  }

  // Example usage
  activateUser('1qaz2wsx3edc4rfv1qaz2wsx3edc4rfv', '1234567890')
      .then(() => console.log('User has been activated successfully'))
      .catch(error => console.error('Failed:', error.message));
  ```
</RequestExample>

<ResponseExample>
  ```json 200 Response theme={null}
  {}
  ```

  ```json 404 Error theme={null}
  {
      "status": 404,
      "message": "Not found"
  }
  ```

  ```json 402 Error theme={null}
  {
      "status": 402,
      "message": "Payment required"
  }
  ```
</ResponseExample>