Section
Platforms
One page per ad library: what it exposes, who can access it, and what each route returned on the same cohort.
Google Ads Transparency Center: what an API can get you
Google offers an API only for ads served in the EEA, so competitor research elsewhere runs through third-party routes. What two of them returned for ten advertisers on the same day, what the Center shows and does not show, and what it costs.
Meta Ad Library: official API versus third-party routes
What Meta's own Ad Library API returns for commercial advertisers, who can get access, and what the three third-party routes returned for the same ten advertisers on the same day, field by field, with prices and latency.