Google Merchant Center account: setup and key settings for ads

A grey metal shopping cart
Set up a Google Merchant Center account step by step, then check the settings that matter for Shopping and Performance Max: shipping, returns, access and Google Ads.
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A Google Merchant Center account is the free place where you store your product data so it can show in Shopping ads, Performance Max and free listings on Google. Setting one up takes five steps: sign in with a Google Account, enter your business details, verify and claim your website, add your products, then link Google Ads. The settings that decide whether your ads actually serve come after that: shipping, returns, user access and automatic item updates.

This guide is written for people who run Google Ads for an online store, whether you own the brand or manage the account for a client. It covers the setup steps in order, then the settings worth checking before you launch a Shopping or PMax campaign.

What is a Google Merchant Center account, and do you need one for Google Ads?

Google Merchant Center is a free tool where you upload and manage product data (titles, prices, images, stock levels) so your products can appear across Google. Google's own help page calls it "a free tool" and says products can appear across Google "for free" (Google Merchant Center Help).

If you only want free listings, a Merchant Center account is enough. If you want paid ads built from your catalog, you need both accounts linked: Google says you must link Google Ads and Merchant Center "before you can create Shopping campaigns" (Google Ads Help). Think of Merchant Center as the catalog and Google Ads as the place where you decide how much to pay to show that catalog.

A note on names: Google's newer interface, Merchant Center Next, finished its global rollout in August 2024, replacing the classic version. In July 2026 Google started dropping the word "Next", so the platform is now simply called Google Merchant Center. Google said the rename does not affect accounts, product data or campaigns (PPC Land, July 12, 2026). If an older tutorial mentions "Merchant Center Next", it means the same tool you see today.

Image explaining how the product attributes are being sent from your site to Merchant Center and to Google Ads.
Image showing how the product attributes are sent from your site to Merchant Center and then synced to Google Ads.

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How do you create a Google Merchant Center account?

Google's sign-up flow has five parts (Get started with Merchant Center):

  1. Sign in with a Google Account. One Google Account email can create only one Merchant Center account, so use a different email if yours already has one. Use an address the business controls, not a freelancer's personal Gmail.
  2. Describe your business. Enter your store name, business address and other profile details. Pick the country carefully: Google says "the country selected during account set up cannot be changed later."
  3. Choose where customers check out. Online, in a physical store, or both. You can change this later.
  4. Choose how products get in. Google can pull products from your online store, or you can upload product data yourself (more on the options below).
  5. Link your e-commerce platform (optional). If you sell on a platform such as Shopify, you can link it so products sync automatically.

Google asks for business information that is complete and accurate, so fill in every field now rather than coming back to it later.

How do you verify and claim your website?

Two terms come up here. Verifying means proving to Google that you own the website; Google's rule of thumb is "You're the website owner if you can make edits to your website content." Claiming links that website to your Merchant Center account and "reserves the website address for use with your account exclusively." Only one account can claim a given URL (About online store URL verification).

Google lists five ways to verify:

  • A code sent to an email address on your domain
  • Your e-commerce platform's built-in connection
  • An HTML tag on your home page, or an HTML file uploaded to your server
  • Google Tag Manager (you need account-level admin access)
  • Google Analytics (you need admin access to an Analytics account linked to the site)

Google notes that the Analytics method may fail on platforms like Shopify, where it recommends the HTML tag instead. If someone on your account has already verified the site in Search Console, you can go straight to claiming. To start, go to Settings > Business info > Edit online store.

How do you add products to Merchant Center?

Products come in through data sources, which you manage under Settings > Data sources. Google offers six methods, and you can combine them (How to upload your products to Merchant Center):

MethodHow it worksBest forWatch out for
From your online storeGoogle crawls product pages that carry schema.org markupStores with good structured data that want minimal setupNeeds markup on every product page; not compatible with local inventory ads
E-commerce platformA connection such as Shopify syncs products automaticallyStores already on a supported platformGoogle recommends editing data in the platform; changes can take 24 to 48 hours
File (upload or hosted URL)A product file you upload, or one Merchant Center fetches every 24 hoursCatalogs built from several systemsBadly formatted or missing data causes errors
Google SheetsA template spreadsheet that syncs every 24 hoursSmall catalogs managed by handThe sheet must follow Google's template
Product editorEnter products one by one in Merchant CenterFixing or adding a handful of productsOnly for accounts that already have products
Merchant APISoftware sends product data directly to Merchant CenterLarge or fast-changing catalogsAn accepted upload does not mean the product is approved

Whatever you choose, keep the data fresh: Google says products expire from your account 30 days after their last refresh (Manage products in your Merchant Center account). Scheduled file fetches, Sheets and platform connections handle this for you.

If your agency or developer still uses an older integration, check it: Google's Content API for Shopping "officially reached its sunset on August 18, 2026", and the Merchant API replaces it (Google for Developers).

Getting products in is only half the job. What Google can match to a search depends on what your product data says, so the attributes you send matter as much as the upload method. Our guide to the 14 product attributes you need in Google Merchant Center lists the fields to fill first, and the Google Shopping feed optimization guide covers how to improve them.

Which Merchant Center settings matter most before you run ads?

Once products are in, these are the settings worth checking before you launch a campaign. Most take a few minutes.

Shipping

Go to Products & store > Shipping and returns > Shipping policies > Add shipping policy. You choose the countries you ship to, which products the policy covers, delivery speed (order cut-off time, handling days and transit days) and shipping cost (flat rate, free, by price, by weight and so on). You can create up to 20 shipping policies per country (Set up shipping settings for an entire account).

Two details catch advertisers out. First, if you also send a shipping attribute at product level, it overrides the account setting for matching locations, so keep the two consistent. Second, when you can't match your real costs exactly, Google's advice is to "overestimate the figures you submit."

Returns

On the same page, the Return policies tab lets you add your return policy URL, the countries it covers, the return window, the return method, any restocking fee and how long refunds take. Google reviews each policy and marks it Verified, Pending or Rejected. If some products follow different rules, create an exception policy and tag those products with the return_policy_label attribute (Set up your return policies).

Google may show your return policy on ads and listings, and says your verified policy takes precedence over what it would otherwise read from your website. The policy on your site should be clear, readable without logging in and consistent with what you enter in Merchant Center.

Tax (US stores)

For the US and Canada, Google's rule is simple: don't include sales tax in the price attribute or any other attribute, and show applicable taxes on your checkout pages instead (About tax information for your products).

Automatic item updates

Merchant Center can compare your product data with your landing pages and fix mismatches in price, sale_price, availability and condition. For example, if your feed says $4 and the page says $3, Google updates the product to $3. These automations are "enabled by default" and live under Products > Automations (Allow Merchant Center to update product information automatically).

They're a safety net, not a substitute for a fresh feed. Google warns they may not work for products whose price changes more than once a day, and that you shouldn't enable price automation if a page shows several strikethrough prices. During sales periods, update the feed itself; our post on Google Shopping price drops and promotions explains how.

Marketing methods and free listings

Under Marketing > Marketing methods you can see which ways of showing products are active: Shopping ads, free listings, local inventory ads and free local listings (Marketing methods overview). New accounts are opted in to free listings automatically, and changing that setting requires admin access. Free listings can show on Google Search, the Shopping tab, Images, Lens, Maps, YouTube and Gemini (Free listings for products). There's no reason to turn them off when you run ads; they run alongside paid placements.

How do you link Merchant Center to Google Ads?

You can start the link from either account (Link a Google Ads account to Merchant Center):

  1. From Merchant Center: go to Settings > Access and services > Apps and services > Add service, select Google Ads, then pick an account you own, create a new one, or enter the customer ID of an account you don't manage (for example a client's or an agency's) and send a request.
  2. From Google Ads: go to Tools > Data manager, find Google Merchant Center under Connected products, and submit the request. An admin then accepts it in Merchant Center under Apps and services.

If you're an admin of both accounts, the link is approved automatically. Before you link, check that neither account has an account-level policy violation, and turn on 2-Step Verification.

Limits worth knowing:

  • One Merchant Center account can link to up to 500 Google Ads accounts.
  • A campaign can use only one Merchant Center account.
  • You can't link a Google Ads manager account (MCC) directly; link the client account.
  • If you remove the link, campaigns that depend on product data stop serving.

Who should have access to the account?

Access is managed under Access and services > People and access. The roles that matter for most stores are (Manage people and access levels in Merchant Center):

RoleWhat it can doTypical user
Super adminHighest access, managed through Business Manager; has admin access in Merchant CenterThe business owner
AdminAdd, remove and edit people; add or remove apps and shopsOwner or in-house lead
StandardEdit products, data sources and settings such as the business address; cannot link Google Ads, enable programs or view reportsWhoever maintains the feed
Performance and insightsRead, edit and delete custom reports; view dashboardsAnalysts
Read-onlyView what a standard user sees, without changing anythingStakeholders

The practical rule: the business should own the account and hold the admin role, and agencies or freelancers get the lowest role that lets them do their job. Note that a standard user cannot link Google Ads, so whoever sets up campaigns needs admin access at least for that step. Super admin rights come from Google's Business Manager, a profile that connects Merchant Center, Google Ads and other Google services; people with super admin access there get admin access in Merchant Center (Linking Apps and services in Business Manager).

What should you check once the account is live?

A finished setup still needs a routine. This checklist covers the first weeks:

  • Website verified and claimed, with no warnings under Business info
  • Shipping and return policies saved and shown as Verified
  • Products refreshed at least every 30 days (a schedule, not a manual upload)
  • Prices in the feed match the landing pages, with US prices excluding sales tax
  • Google Ads linked, with the right people holding admin access
  • Product issues in Merchant Center reviewed every week, starting with account-level ones
  • Titles, descriptions and product categories reviewed for the products you spend the most on

Account-level issues deserve the most attention, because they affect the whole account rather than one product. If your account is ever suspended, our guide to Merchant Center account suspension, appeals and recovery walks through the fixes.

The last item on the list usually takes the most work. Shopify and other platform connections often send titles and descriptions written for the product page, not for search, and rewriting thousands of them by hand rarely happens. A supplemental feed lets you improve those attributes without touching your primary data source. That is how Clarmix feed enrichment works: it runs a free audit of your Merchant Center feed with a 0 to 100 score per product, suggests AI rewrites of titles, descriptions, Google product categories and product types for you to review, and sends the approved changes through a supplemental feed so your primary feed stays as it is.

Frequently asked questions

Is a Google Merchant Center account free?

Yes. Google describes Merchant Center as a free tool, and free listings cost nothing. You pay only when you run ads through Google Ads, such as Shopping or Performance Max campaigns.

Can I have more than one Merchant Center account with the same email?

No. One Google Account email can create only one Merchant Center account. A single user can, however, be added to up to 100 Merchant Center accounts, so one person can work across several client accounts.

Can I change my account's country later?

No. Google says the country chosen at setup cannot be changed later. Choose the country where your business is based; you can still set up shipping to other countries.

Do I need Google Ads to use Merchant Center?

No. Products can appear in free listings with Merchant Center alone. You need a linked Google Ads account to run Shopping ads or to use your product data in Performance Max.

What happened to Merchant Center Next?

It is the current Merchant Center. In July 2026 Google started dropping "Next" from the name, and said the change does not affect accounts, product data or campaigns.

Sources

Cover photo by Bruno Kelzer on Unsplash.

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