Google Ads Developer Blog: meridian

The “What” and “Why” on Meridian: Ads DevCast E6

четвер, 28 травня 2026 р.

Measuring the true impact of your marketing spend is complex, especially when you look across channels and mediums. In Episode 6 of Google’s Ads DevCast, "The 'What' and 'Why' on Meridian," we sit down with Product Manager Katie Munro and Developer Relations Engineer Jeff Li to explore Meridian, Google's open-source Marketing Mix Modeling (MMM) framework, and how it helps advertisers make data-backed strategic budget decisions. Watch the full episode Hear the full episode Here is a summary of the talking points from our discussion on what Meridian is, how the math works, and the newly announced surfaces to help you implement it. What is Meridian? Meridian is Google's open-source Marketing Mix Modeling (MMM) framework. It provides a holistic, privacy-safe view of marketing ROI by analyzing aggregated historical data across all channels (digital, TV, print) alongside non-advertising factors (seasonality, economic conditions). It helps you determine the incremental lift of your marketing (sales caused by ads) versus baseline sales (sales that would have happened anyway). The Core Math: Hill Curves & Adstock Meridian uses statistical models to capture the real-world behavior of advertising:

Hill Curves: Models diminishing returns, showing where you have room to increase spend (headroom) and where you have saturated a channel.

Adstock: Models the lagged effect and decay of advertising over time, capturing the delay between seeing an ad and making a purchase.

The Measurement Trifecta Meridian completes the modern measurement framework:

Attribution (GA4): For day-to-day tactical campaign tweaks.

Incrementality Experiments (Meridian GeoX): To test specific hypotheses in the real world.

MMM (Meridian): For macro-level, strategic budget planning.

New Meridian Releases from GML 2026 We discuss three major additions designed to make MMM more accessible and accurate:

Meridian in GA360: A turnkey, integrated MMM solution within Google Analytics 360 that uses existing behavioral data to provide cross-channel ROI insights without requiring a data science background.

Meridian Studio: A Google Cloud-based enterprise platform to build and scale models, featuring native agentic AI to automate data quality checks, suggest model health improvements, and assist in scenario planning.

Meridian GeoX: An open-source geo-based incrementality solution that acts as a calibration engine, allowing you to run geographic experiments and feed "ground truth" causation data back into your Meridian model.

Next Steps:

Watch the full episode on YouTube (or listen to it)

Try Meridian: https://goo.gle/try-meridian

Try Meridian Studio: https://goo.gle/try-meridian-studio

Try Meridian GeoX: https://goo.gle/try-meridian-geox

Check out the Meridian Developers website to read the documentation.

Join our developer community on Discord to ask questions and discuss.

Cory Liseno

Google’s Advertising and Measurement Developer Relations team

Ads DevCast: Google Marketing Live 2026 bonus episode

четвер, 21 травня 2026 р.

We're excited to bring you a special bonus episode of Google’s Ads DevCast! We’re going over a few of the bigger announcements and updates from Google Marketing Live (GML) 2026 that directly affect our developers and technical users, across Tagging, Data Manager, and Meridian. Watch it at goo.gle/watchadsdevcast Hear it at goo.gle/listenadsdevcast Key Highlights from the Episode

Tagging improvements: Discover the new Google tag gateway In-UI setup offerings (featuring GCP, Akamai, Cloudflare, and Fastly) and new CMS integrations. We also discuss Visual Tagging for troubleshooting purchase conversions, and how we are bringing GTM capabilities directly to the Google tag.

Data Manager API: Learn about the value of single ingestion and multi-feed, allowing you to flow first-party data to multiple Google products with a unified schema. We also touch on Confidential Matching for privacy-safe audience building.

Meridian (open-source MMM): Get an overview of the new Meridian offerings announced at GML, including Meridian in GA360, Meridian Studio (featuring native agentic capabilities), and Meridian GeoX for incrementality calibration.

Listen to the episode to get all the details and prepare for next week's deep dive into Meridian! Don't forget to take our Episode Survey to let us know what you think! If you have any questions or want to discuss this post, please reach out to us on our “Google Advertising and Measurement Community” Discord server.

Cory Liseno

Google’s Advertising and Measurement Developer Relations team

Introducing the Google Advertising and Measurement Developers Hub!

понеділок, 6 квітня 2026 р.

We're excited to announce the launch of the new Google Advertising and Measurement Developers Hub! Come see the new site! Whether you're looking to automate campaigns, analyze performance, manage tags, or monetize your apps, the new hub is designed to make it easier to find the right tools and information. We've launched a new technical-user focused site to make it easier than ever for you to find the tools, resources, and support you need to build and innovate with Google's advertising and measurement products. What's New? We have created a one-stop shop where you can easily find the resources you need, connect with our team and the community, and get support. Here are some key features:

At-a-glance homepage: A clear starting point highlighting how we can help, with quick links to our blog, Discord, and information about our team.

Meet the team: Learn more about the Developer Relations team dedicated to supporting your success.

Products: A comprehensive directory of the developer products we cover, from the Google Ads API and Google Analytics APIs to Publisher Tools like AdMob and Ad Manager, linking directly to their official documentation. You can browse by categories like Advertising Platforms, Tagging, Measurement & Analytics, and Publisher Tools.

Connect with us: A streamlined page to help you find the best way to engage:

Join our vibrant Discord community.
Find links to product or technical support.
Download open source projects on GitHub.

Media and podcast: A new home for our multimedia content, including the Ads DevCast playlist embedded directly on the page.

We're excited to make this the place for you to learn, build, and connect. Please explore the new site and use the Send Feedback button located at the bottom of each page to share your thoughts! If you have any questions about this announcement or want to discuss it with our team and the community, please reach out to us on our "Google Advertising and Measurement Community" Discord server. Happy Building!

- Aalap Shastri, Google Ads API Team

Introducing: Ads DevCast

пʼятниця, 20 березня 2026 р.

A new podcast for the ads technical community

We are thrilled to announce the launch of Ads DevCast, a new bi-weekly vodcast and podcast series brought to you by Google’s Advertising and Measurement Developer Relations team. Hosted by Developer Relations Engineer Cory Liseno, this show is dedicated to deep dives into our latest technical updates, insights from the engineers building our tools, and expert discussions on products like Google Ads, Google Analytics, Display & Video 360, Meridian, and more. While you might already be familiar with the Ads Decoded podcast — where Ginny Marvin does a fantastic job bridging the gap for marketing teams on campaign strategy — Ads DevCast is built specifically for builders and developers. You can tune in on our Google Ads Developers YouTube channel or find the podcast on Google Ads Developers in YouTube Music. Episode 1: MCPs, Agents, and Ads. Oh My! In our premiere episode, we explore the "agentic shift" currently reshaping the advertising landscape. We’re seeing a world where agents, not just humans, are becoming primary consumers of our APIs. To help you stay ahead, we’ve released several tools designed to make your integrations smarter, faster, and more accessible. Getting Smarter with MCP Servers One of the covered topics is Model Context Protocol (MCP), and how it allows your agents like Gemini CLI to securely access your data. We’ve recently released open source, self-hosted MCP servers for the Google Ads API and Google Analytics API. These tools allow you to ask natural language questions directly to your agent, such as:

"What are my active campaigns?"

"Which properties had the highest traffic yesterday?"

"What are my top-selling products over the last month?"

The real magic happens when you combine this data with generative power. In the episode, we discuss how you can use the Analytics MCP to not only pull reports but then ask Gemini to generate a data-justified marketing plan based on those specific results. Moving Faster with the Developer Assistant Technical speed is another major focus. To reduce the time spent digging through documentation, we’ve launched the Google Ads API Developer Assistant. This Gemini CLI extension allows you to use natural language to generate, debug, and even test-run integration code. In one real-world test, we used the assistant to solve a complex reporting issue regarding policy disapprovals. What would normally take days of back-and-forth with email support was resolved by the assistant in minutes, providing the exact GAQL query needed to get the job done. Improving Accessibility AI tooling is also changing who can interact with our technical systems. We’re seeing a shift from the "Ads Developer Community" to a broader "Ads Technical Community." Marketing power users are now leveraging MCP servers to perform real-time data operations without waiting for a full development lifecycle. This frees up engineering teams to focus on high-impact "blue sky" projects while giving marketers the agility they need. We want to hear from you This show is a pilot, and your feedback is important so we can tailor our content to what is most useful for you. Please take a moment to fill out our Episode 1 Survey and let us know what topics you want us to cover next. Be sure to also join our Discord Community where you can join the conversation with Googlers and fellow developers. Thanks for tuning in! We'll see you in two weeks for Episode 2.

Cory Liseno

Google’s Advertising and Measurement Developer Relations team

Ads Developer Blog

The “What” and “Why” on Meridian: Ads DevCast E6

Ads DevCast: Google Marketing Live 2026 bonus episode

Introducing the Google Advertising and Measurement Developers Hub!

Introducing: Ads DevCast

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