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Monitor four official signals together: the versioned Google Ads API release notes, the feature-deprecations and unversioned-changes page, Google’s API and product blogs, and the sunset schedule. Then compare each announcement with the versions and methods your project actually calls in Google Cloud Console. Keep the API contact email in your manager account current so Mandatory Service Announcements can reach the right team.
The monitoring system to use
No single page shows every change or tells you which version your application is using. A reliable process combines public change notices, account-level messages, deadline tracking and project telemetry.
| Source | What it covers | How updates arrive | Shows your project’s usage? |
|---|---|---|---|
| API release notes | Changes associated with a specific Google Ads API version, including new definitions and version releases. | Review the page when a release or update is announced. You can save it in a Google Developer Profile for notifications. | No. It is public documentation. |
| Google Ads API developer blog | API changes, migration information and upcoming deprecations or sunset announcements. | Follow the blog through the subscription options it offers. | No. |
| Google Ads product blog | Product changes that can affect integrations even when they are not API-version changes. | Follow the blog and review posts relevant to automated campaigns and account management. | No. |
| Feature deprecations and unversioned changes | Changes that do not line up with a version boundary, including features that may change independently of a major release. | Review it alongside versioned release notes. | No. |
| Deprecation and sunset schedule | Release dates, deprecation status and planned or tentative sunset dates for API versions. | Check it at every engineering review and again before committing to a migration deadline. | No. |
| Google Cloud Console Metrics | Methods your project has called, with the version, service and method encoded in each method name. | Inspect the Google Ads API entry under APIs & Services. | Yes. It is the project-specific usage check. |
| API Center contact email | Technical issues and Mandatory Service Announcements for changes affecting API calls or managed accounts. | Email to the address configured for the main manager account. | It identifies the account contact, not the exact methods in use. |
Google’s own guidance is direct: “The Google Ads API changes frequently, and you should keep your application up to date with the changes.” Treat the pages above as an operating routine rather than a one-time bookmark exercise.
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What deprecation means
A deprecated API version is no longer the current version, but its endpoints continue to function during the remaining support period. Deprecation is a warning to plan and test an upgrade; it is not, by itself, the day requests stop working.
What sunset means
Sunset is the shutdown date. Calls made to a version after it sunsets fail, so production jobs, data pipelines and internal tools that still target that endpoint must be migrated before the date shown on the schedule.
How to read the schedule
The schedule can include tentative or projected dates. Those entries can move as Google updates its release plan. Record the date you observed, but verify the live schedule immediately before publishing a runbook, setting a freeze date or declaring a migration complete.
| Lifecycle state | Operational meaning | Action |
|---|---|---|
| Current or supported | The version is available for normal use. | Keep it in your supported-version inventory and monitor new release notes. |
| Deprecated | Requests still work for now, but the version is on the path to removal. | Read the migration guide, update the client library if needed, and test the replacement. |
| Sunset scheduled | Google has published a date, which may be marked tentative. | Assign an owner and a dated migration plan. Use the schedule as the controlling source for the current date. |
| Sunset passed | Requests to that version stop working. | Move all callers to a supported version; do not rely on retries or credential changes to fix a version shutdown. |
How to see which Google Ads API version your project uses
Public release notes cannot tell you whether your application is still calling an older endpoint. Use the project’s metrics instead.
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- Sign in to Google Cloud Console with access to the project that makes the API requests.
- Open APIs & Services.
- Choose Google Ads API from the enabled APIs list.
- Open the Metrics tab.
- Find the Methods table. Method names include the API version, service and method, allowing you to identify which versions have actually been called by that project.
- Export or record the versions and methods that matter to production, scheduled jobs, development environments and any separate projects used by your organization.
Do not infer usage from the version in a dependency file alone. A project can retain an old client-library dependency while a different service, binary or scheduled job makes the live calls. Conversely, a newer library can be installed without any production process using its newer endpoint. The Metrics tab is the evidence of calls observed for that project; combine it with your source-code and deployment inventory to find every caller.
Build a recurring monitoring workflow
1. Subscribe to versioned changes
Bookmark the release-notes page. Review it whenever Google announces a release or update, and save the page in a Google Developer Profile if you want profile-based notifications. For every entry that could affect your integration, capture the version, changed service, affected resource or field, required client-library level and any migration documentation named by Google.
2. Watch both Google Ads blogs
Follow the Google Ads API developer blog for API changes and sunset announcements. Follow the Google Ads product blog for product behavior changes that may alter what your integration expects, even when no API version boundary is involved. A product change can require code, data-validation or operational work without appearing as a conventional endpoint deprecation.
3. Review unversioned changes
Check the feature-deprecations and unversioned-changes page along with the release notes. This page covers changes that do not align neatly with a version release, so checking only versioned notes leaves a gap.
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In the main manager account’s API Center, keep the API contact email current and monitored by the team that owns the integration. Google may use that address for technical issues and Mandatory Service Announcements, including unversioned changes that affect API calls or managed accounts. Use a monitored team mailbox or distribution list rather than an individual who may leave the project, and ensure messages are not filtered into a low-priority folder.
5. Review the schedule and telemetry together
At a recurring engineering review, open the sunset schedule and the Google Cloud Console Metrics view. Mark every version appearing in project usage, then compare it with the schedule. This identifies a risk that a public schedule alone cannot: a version may be scheduled for sunset even though no one has noticed that a legacy worker still calls it.
6. Assign ownership and a migration record
For each affected major version, record the owning team, services and repositories involved, replacement version, migration-guide URL, test environment, rollout date and rollback decision. A deadline without an owner is only a notification. Include production, staging, local command-line tools and third-party internal services that use the same Google Ads manager accounts.
Major and minor releases require different planning
Google documents two release types in its versioning guide.
| Release type | Endpoint behavior | Compatibility expectation | Engineering work |
|---|---|---|---|
| Major release | Introduces a new major-version endpoint. | Breaking changes may be introduced. | Read the migration guide, update code and client libraries as appropriate, run tests, and plan a controlled rollout before the older version sunsets. |
| Minor release | Updates the existing major-version endpoint in place. | Backward-compatible by design. | A client-library update may still be needed to use new minor-release definitions. Test any newly adopted fields or services before enabling them in production. |
Do not treat “backward-compatible” as “no work.” A minor release can require a client-library update before your code can compile against or serialize a new definition. A major release deserves a migration branch and explicit compatibility testing because breaking changes are possible.
How to turn a release note into an engineering task
- Classify the entry. Decide whether it is a major release, minor release, feature deprecation, unversioned behavior change, bug fix or documentation-only update.
- Map the affected surface. Search code, configuration and generated clients for the named service, resource, field, enum, request or response. Include reporting queries and stored schemas, not only endpoint calls.
- Locate the live caller. Match the affected method to the version and service shown in Cloud Console Metrics. If it is not visible there, check other projects and non-production environments before declaring it unused.
- Read the linked migration material. For a major version, follow Google’s migration guide and note renamed fields, removed operations, changed validation or authentication requirements.
- Update dependencies deliberately. For a minor release, install the client-library version that contains the new definitions if your application needs them. For a major release, update the endpoint and library together where the migration instructions require it.
- Test representative traffic. Cover searches, mutations, batch jobs, error handling, pagination, reporting exports and any manager-account hierarchy operations your application performs.
- Roll out before the deadline. Deploy to a limited environment, observe errors and response handling, then promote it while the old version remains available. Keep enough time to diagnose account-specific behavior.
- Verify after deployment. Recheck Metrics for the new version and confirm that no scheduled process or secondary project continues calling the deprecated endpoint.
Reading the current schedule without over-promising a date
The schedule snapshot used for this guide listed the following entries:
| Version | Release information shown | Sunset information shown | How to use the entry |
|---|---|---|---|
| v22 | Released October 15, 2025. | Tentative sunset in October 2026. | Verify the current schedule before treating the October date as final. |
| v23 | Released January 28, 2026. | Sunset in February 2027. | Use the live schedule to confirm whether the date remains unchanged. |
| v25 | Released July 22, 2026. | Sunset in August 2027. | Include the exact version in your inventory; do not assume every v25.x caller is identical without checking methods and client definitions. |
| v25.1 | Listed as upcoming in August 2026. | Not stated in the cited schedule snapshot. | Check the current schedule for its released status and dates. |
| v25.2 | Listed as upcoming in September 2026. | Not stated in the cited schedule snapshot. | Check the current schedule before planning adoption. |
| v26 | Listed as upcoming in October 2026. | Not stated in the cited schedule snapshot. | Do not infer a sunset date until Google publishes one. |
Google says it aims to sunset a version about a year after release and typically releases a new version every three to four months. Those are general cadence statements, not guarantees for an individual version. The schedule is the authority for a specific release or sunset date, and its tentative or projected entries can change.
Set a deadline process that survives staff and system changes
Maintain a version inventory
Keep a small, reviewable record with the Google Cloud project, environment, service, API version, client-library version, last observed method activity, owning team, replacement target and schedule status. Store the record with the same change-management material used for production releases so it has an owner and an audit trail.
Use two dates for every migration
Record Google’s published sunset date and your internal completion date. Set the internal date early enough for testing, staged rollout and recovery. If Google marks the public date tentative, do not wait for it to become final before starting work; use the uncertainty as a reason to preserve schedule margin.
Separate discovery from adoption
First identify every caller and affected method. Then decide whether to upgrade the major version, remain on the supported version, or adopt a minor release for a specific feature. This prevents a library upgrade in one repository from being mistaken for a complete organization-wide migration.
Review after every release
When a new version appears, compare its release notes with your inventory, update the support matrix and open tasks for any breaking or deprecated surface. The recurring review should also close completed migrations by checking Cloud Console Metrics for residual calls to the old version.
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You saw a sunset announcement but cannot find the caller
Check the Google Cloud project selected in Console, then inspect all projects used by production, staging and scheduled workers. Review the Methods table rather than searching only for a library version. Also inspect jobs that run infrequently; a method absent from a short observation period may still be part of a monthly or account-specific workflow.
The release notes show a change but no version in your code
Look for generated clients, shared libraries and configuration that select the endpoint at runtime. Then check whether the change is listed on the feature-deprecations and unversioned-changes page or described in a product-blog announcement. Not every behavior change is expressed as a new major-version string.
The API contact email receives nothing
Confirm that the address is configured in the main manager account’s API Center, is monitored, and accepts mail from Google. Check organization-wide filtering and forwarding rules. Email is an additional official channel, not a replacement for reviewing release notes and the schedule.
A date in an internal ticket differs from the schedule
Open the live schedule and record the current entry and whether it is tentative or projected. Update the ticket with the page’s current date and the time of verification. Avoid copying a date from an old announcement into a new commitment without checking the schedule again.
A minor release appears safe, but the build fails
Backward compatibility applies to the API’s release model; your application may still need a newer client-library definition. Update the library required for the new fields or services, regenerate code if your build uses generated clients, and run the integration tests before enabling the new definitions.
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- Release notes bookmarked and reviewed for every announced update.
- Google Developer Profile notification option considered for the release-notes page.
- Google Ads API developer blog and Google Ads product blog followed.
- Feature-deprecations and unversioned-changes page reviewed.
- API contact email in the main manager account’s API Center is current and monitored.
- Sunset schedule checked at a recurring engineering review and before committing to a date.
- Google Cloud Console path documented: APIs & Services → Google Ads API → Metrics → Methods.
- Every observed version mapped to a service, method, project, environment and owner.
- Major-version migrations linked to the relevant migration guide and tested before rollout.
- Minor-release adoption includes the required client-library update when new definitions are needed.
- Post-deployment Metrics check confirms that old-version callers have stopped.
What a good monitoring habit achieves
The goal is not to predict every Google Ads API change or create an automated alerting service that Google has not promised. The goal is to create multiple chances to notice a change, connect it to real project traffic, and finish migration while the old endpoint still works. Public notes explain what changed, account messages add an operational channel, the schedule supplies the current deadline, and Cloud Console Metrics shows where your own requests are coming from.
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