Generating API keys can vary depending on the email service provider you are using. Generally, you will need to log in to your ESP account, navigate to the API settings section, and create a new API key. Here are some common steps:
Log in to your ESP account. Navigate to the API settings or integrations section. Click on the option to generate a new API key. Provide necessary details, such as application name and permissions. Generate and copy the API key for use in your application.