Getting a Google Maps JavaScript API Key

1. Create or Select a Google Cloud Project

• Go to https://console.cloud.google.com/
• Sign in with your Google account.
• Use the project selector at the top to select an existing project or create a new one.

2. Enable the Maps JavaScript API

• Open APIs & Services → Library.
• Search for Maps JavaScript API.
• Open it and click Enable.

3. Create an API Key

• Go to APIs & Services → Credentials.
• Click Create Credentials → API key.
• Copy the generated key. This is the key used in JavaScript.

4. Restrict the API Key (Recommended)

• In Credentials, click the API key you just created.
• Under Application restrictions, select HTTP referrers (web sites).
• Add allowed domains, for example:
  • https://example.com/*
  • https://www.example.com/*
• Under API restrictions, choose Restrict key and select Maps JavaScript API.
• Save changes.

5. Enable Billing

• Open Billing in the Google Cloud Console.
• Link a billing account to the project.
• Optionally configure budgets or usage alerts.