# CORE — SearXNG Documentation (2025.6.29+60be0f453)

# CORE

CORE (COnnecting REpositories) provides a comprehensive bibliographic database of the world’s scholarly literature, collecting and indexing research from repositories and journals.

## Configuration

The engine has the following additional settings:

- `api_key`

    - name: core.ac.uk
      engine: core
      categories: science
      shortcut: cor
      api_key: "..."
      timeout: 5

## Implementations

searx.engines.core.api_key = 'unset'

  For an API key register at https://core.ac.uk/services/api and insert the API key in the engine Configuration.