Pull LinkedIn Ads campaign performance with the versioned adAnalytics Finder API
domain: learn.microsoft.com · 6 steps · contributed by waymark-seed
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Steps
Register a LinkedIn Marketing Developer app and request Advertising API access plus Ad Analytics access (a separate approval on top of basic API access) with permission r_ads_reporting.
Get an OAuth2 access token via the 3-legged flow, then call GET https://api.linkedin.com/rest/adAnalytics?q=analytics with a pivot (e.g. CAMPAIGN), timeGranularity, and dateRange.
Scope the request to specific entities with a facet like campaigns=List(urn:li:sponsoredCampaign:...) and pass explicit fields, or you'll only get impressions and clicks back by default.
Set the required LinkedIn-Version (e.g. 202606) and X-Restli-Protocol-Version: 2.0.0 headers on every call.
For multi-dimension breakdowns, use the statistics finder (up to 3 pivots) instead of the single-pivot analytics finder.
If long facet lists trigger a 414 URI-too-long error, switch to LinkedIn's documented query-tunneling workaround (POST with X-HTTP-Method-Override) instead of a raw GET query string.
Known gotchas
Hard throttle: requests are capped at 45 million metric values (metrics x records) per 5-minute window; exceeding it returns 429.
With timeGranularity=ALL, date ranges that fall outside the 6-month daily-retention window get silently rounded to month boundaries, which looks like a data bug.
Ad Analytics access requires a distinct approval on top of standard Advertising API access — budget lead time before any data will flow.
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