Google Ads Developer Blog: data_manager

New Data Manager API channels on Discord

Tuesday, April 7, 2026

We're excited to announce the addition of new channels for the Data Manager API on our “Google Advertising and Measurement Community” Discord server. To join, just click this invite link and follow the onboarding guide. Our team will be on this server regularly to interact with the Data Manager API community, answering questions and gathering feedback in the #data-manager-api channel. We’ll also keep you up to date on the latest Data Manager API news in the #announce-data-manager-api channel. If you have any questions or want to discuss this post, please reach out to us on the “Google Advertising and Measurement Community” Discord server. We look forward to seeing you there and hearing your thoughts on how we can continue to improve the Data Manager API!

- Josh Radcliff, Data Manager API Team

Introducing the Google Advertising and Measurement Developers Hub!

Monday, April 6, 2026

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

Friday, March 20, 2026

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

Changes to Customer Match Support in the Google Ads API

Wednesday, March 4, 2026

Starting on April 1, 2026, the Google Ads API will no longer accept new adopters of Customer Match. As with our recent announcement for the use of session attributes and IP address in click conversions in the Google Ads API, we’re recommending that new adopters of Customer Match integrate with the Data Manager API as their primary user data import API. Developers who have not adopted Customer Match, or have not uploaded data to a Customer Match list between October 2025 and March 2026, will receive an error if they attempt to upload to a Customer Match list. Developers who have already adopted Customer Match can continue importing user data using the Google Ads API while they integrate with the Data Manager API. Technical details

Developers will be allowlisted by their developer token.

Once this change is rolled out, users who are not on the allowlist will receive the error CUSTOMER_NOT_ALLOWLISTED_FOR_THIS_FEATURE when attempting to upload user data to a Customer Match list using either the OfflineUserDataJobService or UserDataService.

See the documentation for integrating with the Data Manager API for Customer Match imports for Google Ads.

Reach out to the Google Ads API support or Data Manager API support channels if you have any questions. 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.

- Ben Karl, on behalf of the Google Ads API Team

Announcing user list management and enhanced audience ingestion for the Data Manager API

Tuesday, February 17, 2026

We're excited to announce the release of v1.5 of the Data Manager API, delivering a more comprehensive platform for data management. This update introduces powerful new capabilities for managing user lists alongside expanded options for audience member ingestion. End to end user list management The UserListService now allows you to oversee the lifecycle of your user lists entirely through the Data Manager API. It provides core resource management operations such as create, retrieve, update, and delete methods for UserLists, enabling full control over your audience management workflows. Partner links The introduction of the PartnerLinkService provides a secure way to manage connections between advertiser and data partner accounts across Google Ads and Display & Video 360. Expanded audience member identifiers The Data Manager API now supports additional user identifiers for audience ingestion. You can now upload User IDs, which can be used for Customer Match in Google Ads. We’ve also integrated status reporting specific to User ID when you retrieve diagnostics for your ingestion requests. These updates make it easier to monitor User ID ingestion and quickly identify any issues. Get started

Check out these Customer Match guides for a step-by-step walkthrough on how to create, populate, and verify audiences using the Data Manager API:

Use the following guides to upgrade your existing Customer Match workflows to gain access to future improvements and features:

Learn how to manage connections with data partners using the Partner links guides.

If you have questions or need help, contact us through the support page. If you’re interested in becoming a data partner, please fill out the Partner Interest Form.

- Lindsey Volta, on behalf of the Data Manager API Team

Changes to IP Address and Session Attribute Support in the Google Ads API

Wednesday, January 7, 2026

Starting on February 2, 2026, the Google Ads API will no longer accept new adopters of session attributes or IP address data as part of conversion imports. To ensure a more robust and scalable experience for handling complex data, we recommend that Google Ads API developers transition to the Data Manager API - where session attributes and IP address are accepted - as their primary conversion and user data import API. Developers who have already adopted session attributes or IP addresses in their click conversion imports can continue importing that data using the Google Ads API until they’ve moved their conversion imports over to the Data Manager API. Technical details

Developers will be allowlisted by their developer token.

Once this change is rolled out, you may notice the error CUSTOMER_NOT_ALLOWLISTED_FOR_THIS_FEATURE in the partial_failure responses of your conversion import requests. This error indicates that the associated conversion was rejected due to the presence of session attributes and/or IP address.

Resolve this error with these steps:

- Ben Karl, on behalf of the Google Ads API Team

The Data Manager API is Now Generally Available

Tuesday, December 9, 2025

The Data Manager API, a new solution for data ingestion across Google’s advertising platforms, is now generally available. This API is designed to streamline how advertisers, agencies, and data partners send and manage their first-party data, saving valuable time and resources while ensuring data is handled securely. Simplification The Data Manager API simplifies how you send data to audience lists and conversions used in your Google campaigns. Instead of building and maintaining multiple API integrations, you can now send data once and apply it to different Google ads solutions. For advertisers who prefer API connections, this provides a streamlined and scalable way to activate first-party data across multiple campaign types and platforms. Our vision is universal activation and measurement i.e. bring your data and activate/measure across Google campaigns, GMP campaigns and Google Analytics. At launch use cases include: /* CSS for the table */ .bordered-table { border-collapse: collapse; /* This is the key for a neat grid look */ width: 100%; /* Optional: Makes the table span the whole post area */ } .bordered-table th, .bordered-table td { border: 1px solid #333; /* Internal and external borders for all cells */ padding: 8px; /* Space between content and cell border */ text-align: left; } .bordered-table th { background-color: #f2f2f2; /* Optional: Shades the header row */ }

Audiences

Conversions

Populate audience lists for use in both Google Ads and Display & Video 360 (DV360), including the use of customer information, unique mobile device unique IDs, and Publisher Advertiser Identity Reconciliation (PAIR).

Send conversion events that take place off your website directly to Google Ads, including offline conversion import and conversions with consented customer information to supplement imported offline conversion data to improve accuracy and bidding performance

Security and Privacy at the Core The Data Manager API is also built with advanced, privacy-centric features. The API supports confidential matching for several use cases. This includes the option to encrypt data for audience and conversion events, allowing you to pass encrypted customer information (for example, an email address or phone number), which is processed in a trusted execution environment. This includes audience lists for Customer Match. In the coming months, the Data Manager API will expand support to include additional use cases across Google Ads, Google Analytics, Display & Video 360, Search Ads 360, and Campaign Manager 360. Get Started Today Unlock a more efficient, scalable, and secure way to manage your data. The Data Manager API is available to all developers now. Head over to the developer documentation to get started. If you have any questions or need help, check out the Data Manager API support page for options.

- Melissa Ng, Data Manager API Product Manager

Ads Developer Blog