LinkedIn Marketing API
Last release:
Official Microsoft Learn page for LinkedIn Marketing API recent changes. It summarizes monthly API version updates, including product announcements, breaking changes, version sunsets, and related reminders, to help developers track what changed and what may affect their integrations.
Project status
- Actively maintained: The source is maintained and actively updated, with new “updates” published on a monthly basis (202604 on 2026-04-01, 202605 on 2026-05-01, and 202606 on 2026-06-01).
- Update cadence: Apparent cadence is about monthly, aligned to a YYYYMM API version cycle, with new version notes and deprecation reminders arriving each month.
AI summary generated
Recent updates
202606
Version 202606 expands the Account Intelligence API with a new 365-day lookback option and adds several response-only company attribute fields. It also enhances Dynamic UTM by supporting CREATIVE_NAME, and introduces an automatic Not Interested CTA rendering for Sponsored Conversations and Message Ads. Additionally, several monthly API versions are scheduled to sunset soon, requiring planned migrations.
Features202605
The 202605 release introduces multiple API enhancements across Events Management, Event Ads, Conversions, Predictive Audiences, Ad Analytics, and Company Intelligence, with support for new business workflows like off-platform event experiences. It also includes a key breaking change requiring the new endsAt field on all events, plus response shape adjustments for member creator analytics. Finally, it schedules upcoming version sunsetting and changes the primary route for contacting Developer Support.
BreakingFeatures202604
This release adds new creator analytics metrics to the /memberCreatorPostAnalytics endpoint, and extends the /accountIntelligence endpoint with a new 180-day lookback option. It also publishes new partner certification integration requirements pages. Additionally, it announces upcoming sunset removals for monthly API versions 202504, 202505, and 202506, urging migration to the latest supported API version.
BreakingFeatures202603
This release adds new company-level campaign insight metrics to the Company Intelligence API, and introduces new buyer group targeting via the Ads Targeting Facets API. It also tightens several platform behaviors around webhooks, brand lift test sizing, and Event Management API field update rules, and it sunsets older monthly API versions on specific dates.
BreakingFeatures202602
This release adds two optional attribution fields to the Videos API initializeUploadRequest to support third-party template and deep-link context for video creation. It also expands Ad Campaigns and Ad Budget Pricing APIs to allow MAX_QUALIFIED_LEAD as an optimization target for LEAD_GENERATION campaigns. Additionally, several monthly API versions are scheduled to be sunset and removed on specified dates.
BreakingFeatures202601
This release adds new watch time metrics to the Ad Analytics API (for both events and video) returned by the /AdAnalytics endpoint starting with version 202601. It also announces scheduled sunsetting of older monthly API versions (202501 through 202503) that will be removed on specific dates unless partners migrate.
BreakingFeatures202511
This release introduces new LinkedIn APIs and capabilities for audience building, lift testing, and lead attribution, plus expanded member authentication options for developer applications. It also announces sunsetting of specific monthly API versions, requiring developers to migrate to the latest supported API version to avoid platform removal disruptions.
BreakingFeatures202510
This release introduces a new Company Intelligence API that provides company-level engagement insights across LinkedIn paid and organic touchpoints for qualified developers. It also updates several Ads-related APIs, including adding reviewInfo to ad lift test schemas, expanding ad lift test result demographics, and improving the accuracy of the adAnalytics averageDwellTime metric (with a potential ~25% increase). Separately, older monthly API versions (202410 and 202411) are scheduled for sunset and removal, so partners should migrate to the latest version.
BreakingFeatures202509
This release adds an Advertising API endpoint, /adAccountTrustPreferences, to manage publisher allowlists and blocklists at the ad account level. It also introduces rate limit threshold email alerts at 75% of an app's daily quota. Multiple API changes are scheduled to sunset older versions and require updates to campaign creation and DMP segment list upload flows.
BreakingFeatures202508
This release adds EU political advertising self-declaration support via a new required politicalIntent field in the /adCampaigns schema for EU-targeted campaigns. It also enhances the Conversions API Payload Builder with validation, payload generation (JSON or cURL), and a “Make an API Call” test flow, plus it moves the developer AI chatbot to the LinkedIn Developer website. A set of monthly API versions (202408-202411) will be sunset and removed on scheduled dates, requiring migrations to the latest supported API version.
BreakingFeatures