# Érettségi feladatsorok > Érettségi feladatsorok is a Hungarian-language searchable archive interface for public Hungarian secondary-school final exam materials: PDF papers, correction guides, ZIP packages, and MP3 listening files. The site serves a static manifest for discovery and a separate Rust backend for cached downloads and search. The archive is not an official Oktatasi Hivatal service. Source attribution is preserved in the manifest through `sourceUrl` fields. Primary metadata fields in `manifest.json`: `id`, `fileName`, `year`, `season`, `level`, `subject`, `subjectLabel`, `kind`, `type`, `size`, `sha256`, `sourceUrl`, and `downloadUrl`. ## Core - [Homepage](https://erettsegi.neptune.hu/): Human-facing searchable interface. - [Manifest JSON](https://erettsegi.neptune.hu/data/manifest.json): Full machine-readable archive index used by the frontend. - [Search API](https://erettsegi-files.neptune.hu/api/search): Dynamic search endpoint. Query parameters include `q`, `year`, `level`, `season`, `type`, and `kind`. - [Stats API](https://erettsegi-files.neptune.hu/api/stats): File count, generated time, and cache-oriented service metadata. ## Notes - Download URLs in the manifest are relative `/download/files/...` paths and should be resolved against `https://erettsegi-files.neptune.hu`. - The frontend intentionally avoids live fetching from the expired-certificate upstream host; the backend handles downloads with local disk caching. - Use `sourceUrl` when citing the original official file location.