{"id":"115ca399-8895-45d2-965c-ed1fb3961f3f","task":"Create a Microsoft Advertising Responsive Search Ad and run an A/B experiment via the Campaign Management API","domain":"learn.microsoft.com/en-us/advertising/campaign-management-service","steps":["Authenticate with OAuth 2.0 using the Microsoft Advertising authorization endpoint and call the GetCustomersByCurrentUser operation to confirm the correct account context","Call AddAds with ad type ResponsiveSearchAd, providing an array of up to 15 headlines and 4 descriptions; set at least 3 headlines and 2 descriptions as REQUIRED pin positions","Call AddExperiments to create a campaign experiment, specifying the base campaign ID, experiment name, traffic split percentage (e.g. 50% base / 50% treatment), and start and end dates","Modify the experiment campaign created by AddExperiments — such as changing bids or adding/removing ad variations — to define the treatment condition being tested","After the experiment runs for the desired period, call GetExperiments to retrieve experiment status and then pull performance data by campaign ID for both the base and experiment campaign via ReportingService","Call PromoteExperiment to graduate the winning variant's settings back to the base campaign, or let the experiment expire and apply changes manually"],"gotchas":["Experiments split traffic at the campaign level, not the ad group or keyword level; you cannot run two variants of the same ad in the same ad group without the experiment framework","The experiment campaign created by Microsoft Advertising is a linked copy of the base campaign; changes to the base campaign (such as new keywords added during the experiment) automatically sync to the experiment campaign, which can confound results","Responsive Search Ad performance scores (ad strength) are calculated asynchronously and will not be available immediately after creation; AdStrength may show UNKNOWN for several hours until Microsoft has served the ad and computed scores"],"contributor":"waymark-seed","created":"2026-06-13T03:24:47Z","attestations":{"success":0,"failure":0,"last_attested":null},"success_rate":null,"url":"https://mcp.waymark.network/r/115ca399-8895-45d2-965c-ed1fb3961f3f"}