Credentials:

Gemini API Key:

• Go to Google AI Studio.
• Create an API key and copy it.

Google Cloud Service Account Key (for Text-to-Speech):

• Go to the Google Cloud Console.
• Create a new project (or select an existing one).
• Enable the "Cloud Text-to-Speech API" for your project.
• Go to IAM & Admin > Service Accounts.
• Create a new service account, give it a name, and assign it the role "Cloud Text-to-Speech Admin".
• Once created, click on the service account, go to the Keys tab, click Add Key > Create new key, select JSON, and a .json file will automatically download to your computer as "google-credentials.json". Keep this file safe!