FacebookWhy teams route Facebook traffic through proxies
Facebook concentrates an unusual amount of public commercial signal in one place. The Ad Library publishes the ads every Page is currently running — the primary source for competitive ad intelligence and for agencies confirming their own campaigns actually serve. Public Pages expose posting cadence, engagement, and customer sentiment for any brand. Marketplace carries millions of local listings that feed price and availability research. Ad-intelligence platforms, brand-protection firms, and marketing agencies all pull from these surfaces daily, and most of that work runs through pipelines like the ones described in /use-ad-verification/ and /use-brand-protection/.
The catch is that what Facebook shows depends heavily on where you appear to be. Ads are targeted by country and region, Marketplace results are local by design, and content availability varies by market. Checking how a campaign renders to a shopper in Berlin requires a German IP; auditing fifty markets requires fifty. On top of geography, sustained request volume from a single office or datacenter IP looks nothing like organic browsing, so results become unreliable exactly when your collection matters most. Routing through residential proxies distributes that volume across real consumer connections, keeps the per-IP request rate modest, and lets each request originate from the market you are studying rather than from wherever your servers happen to sit.
None of this changes your obligations. Proxies are infrastructure, not a permission slip: you remain responsible for complying with Meta's Terms of Service and applicable law, and for limiting collection to what is genuinely public. Where an official interface such as the Meta Ad Library API covers your use case, it should be your first choice.