This Grok service is of good quality; however, it is a paid service. Depending on the quality you seek, it may be interesting to use this service. Therefore, you are not obliged to contract this service. The first time you use this service, you will need to enter your credit card information.
1. Go to the page https://console.x.ai/
2. In the left column, select the second option: API Keys
3. Click on the Create API Key button
4. Add a name to remember the purpose of this key
5. After clicking Create API Key, the system provides the key to be entered into the API key manager (click on button 02. API key manager)