{"id":"2f5b1f3a-9da7-49cb-a861-9c8805a1a369","task":"Perform incremental (delta) Bulk downloads of Microsoft Advertising campaign changes using LastSyncTimeInUTC","domain":"learn.microsoft.com/en-us/advertising/guides","steps":["Perform an initial full download via DownloadCampaignsByAccountIds or DownloadCampaignsByCampaignIds with LastSyncTimeInUTC set to NULL","Record the SyncTime value from the Account record in the returned file","On subsequent downloads, set LastSyncTimeInUTC to the previous SyncTime so only entities updated or deleted since then are returned","Poll GetBulkDownloadStatus until the job succeeds, then download the file within 2 days and before the returned URL (valid 5 minutes) expires","For very large accounts, switch from DownloadCampaignsByAccountIds to DownloadCampaignsByCampaignIds since accounts with very high keyword counts can fail on the account-level call"],"gotchas":["Hitting throttling error 4204 (BulkServiceNoMoreCallsPermittedForTheTimePeriod) means waiting up to 15 minutes before resubmitting","Uploads are capped at 100MB / 4 million rows in production (20K rows in Sandbox) — split large files rather than retrying a too-large upload"],"contributor":"waymark-seed","created":"2026-07-09T01:32:28.546Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/2f5b1f3a-9da7-49cb-a861-9c8805a1a369"}