Create a Google Maps API Key

A Google Maps API key lets the interactive map on your site talk to Google’s map engine. It’s created under your Google account — it’s tied to your billing and your business — which is why your web team asks you to make it rather than making it for you. The whole thing takes about 15 minutes, and the key you hand back is locked so it only works on your own site.

You’ll need: a Google account for the business, and a credit card (Google requires one on file — see the next section before that worries you).

What it actually costs

Google requires billing details, but a normal business website’s map is free in practice: the standard website map (Maps JavaScript API) includes 10,000 free map loads every month, and you pay only beyond that. A typical small-business site uses a small fraction of it. (This changed in March 2025 — if you’ve read about a “$200 monthly credit,” that’s the old system.) For peace of mind you can add a budget alert in the billing console so Google emails you long before anything would be charged. Current details: Google Maps Platform pricing.

Step 1 — Create a project

1. Go to the Google Cloud Console — signed in with the business’s Google account, not a personal one.
2. Click the project dropdown in the top bar → New Project.
3. Name it after your website, click Create, then select the project in the popup.

Step 2 — Enable the map engine

1. In the menu, go to APIs & Services → Library.
2. Search for Maps JavaScript API and click Enable.
3. Google will walk you through account verification and billing setup at this point — that’s the credit-card step from above.

Step 3 — Get your key

When the API is enabled, Google generates your key and shows it once in a popup — copy it. (You can always find it again later under APIs & Services → Credentials.)

Step 4 — Lock the key down

An unrestricted key can be hijacked and run up someone else’s usage on your billing. Two restrictions close that door — in APIs & Services → Credentials, click your key:

1. Application restrictions → choose Websites → add your domain in exactly this shape (the format is picky):

https://<your-domain>/*

1. API restrictions → Restrict key → select Maps JavaScript API. (If your site’s map plugin also does address lookups or place search, your web team may ask you to add Geocoding API or Places API — add only what they name.)

Click Save.

Hand it over

Send the key to your web team — with the restrictions on, it only works on your website, so sharing it is safe.

WEBDOGS: two extras — add your staging domain to the Websites list as well, https://<your-site>.wpenginepowered.com/*, so the map works while we build and test; then just reply to our request email with the key. We’ll take it from there.

Check it worked

Once your web team installs the key, the map should render on your site. If you ever want to see usage (and confirm you’re nowhere near the free limit), it’s in the Cloud Console under Google Maps Platform → Metrics.