Quick answer Mercado Libre retired anonymous access to its public search API — api. mercadolibre. com/sites/{MLA,MLM}/search comes back a flat 403 forbidden on every proxy tier we tested, datacenter and residential alike — so a JSON-based Mercado Libre scraper simply doesn't exist anymore.
Source: [Dev.to](https://dev.to/devil_scrapes/we-doubled-mercado-libres-scraper-memory-and-clearance-went-from-50-to-90-with-zero-code-33p0)