> ## Documentation Index
> Fetch the complete documentation index at: https://hexagraph-docs.voyla.in/llms.txt
> Use this file to discover all available pages before exploring further.

# Institutions Overview

> Schema reference for Institutions entities

Institutions are universities and other organizations to which authors claim affiliations.

## Filter and sort fields

The API supports filtering and sorting on institution fields. See [Filtering](/guides/filtering) and [Sorting](/guides/sort) for syntax.

| Field            | Sort | Filter |
| ---------------- | :--: | :----: |
| `cited_by_count` |   ✓  |    ✓   |
| `country_code`   |   ✓  |    ✓   |
| `name`           |   ✓  |        |
| `id`             |   ✓  |    ✓   |
| `outputs_count`  |   ✓  |    ✓   |
| `type`           |   ✓  |    ✓   |