Meta Gave Advertisers 21 Months to Pull the Agency Markup Out of the Invoice
Meta updated Developer Policy 10.6.a on April 28, 2026 and gave third-party ad-buying platforms until February 3, 2027 to disclose raw Meta spend separate from their fees on every advertiser request. The 21-month window is the last quiet period before agency markups, currently running 30 to 90 percent