Endpoints
Send JSON with Bearer authentication to https://api.fetchlayer.dev/google-ad-library/{endpoint}. The media download is the one exception: a GET with query parameters. Google spells the country filter region, and every response carries a notes array worth reading.
POST Find the ads a brand is running
/search-ads POST Get every ad one advertiser runs /advertiser-ads POST Find advertisers by name /search-advertisers POST Get an advertiser's verified identity /advertiser-profile POST Get one ad in full /ad-detail POST Get an ad's videos and images /ad-media GET Download an ad media file /media POST Parse an Ad Library URL /resolve-url