List institutions

curl -X GET "https://api.hexagraph.in/institutions?filter=type:facility&sort=outputs_count:desc&per_page=25"

fetch("https://api.hexagraph.in/institutions?filter=type:facility&sort=outputs_count:desc&per_page=25")
  .then(response => response.json())
  .then(data => console.log(data));

import requests

response = requests.get("https://api.hexagraph.in/institutions", params={"filter": "type:facility", "sort": "outputs_count:desc", "per_page": 25})
print(response.json())

{
  "meta": {
    "count": 134448,
    "page": 1,
    "per_page": 25
  },
  "results": [
    {
      "id": "HX_I4210108322",
      "ror": "https://ror.org/01t3wyv61",
      "name": "National Institute for Fusion Science",
      "country": {
        "code": "JP",
        "name": "Japan"
      },
      "type": "facility",
      "homepage_url": "https://www.nifs.ac.jp",
      "image_url": null,
      "image_thumbnail_url": null,
      "display_name_acronyms": [
        "NIFS"
      ],
      "display_name_alternatives": [
        "Kakuyugo Kagaku Kenkyujo",
        "Kakuyugou Kagaku Kenkyuujo",
        "Kakuyūgō Kagaku Kenkyūjo",
        "NINS National Institute for Fusion Science",
        "National Institute for Fusion Science",
        "National Institutes of Natural Sciences National Institute for Fusion Science",
        "かくゆうごうかがくけんきゅうじょ",
        "カクユウゴウカガクケンキュウジョ",
        "核融合科学研究所"
      ],
      "repositories": [
        {
          "id": "HX_S4306401138",
          "name": "National Institute for Fusion Science Repository (National Institute for Fusion Science)"
        }
      ],
      "outputs_count": 40567916,
      "cited_by_count": 2350640,
      "summary_stats": {
        "2yr_mean_citedness": 0.000029117814157264747,
        "h_index": 194,
        "i10_index": 18840
      },
      "associated_institutions": [
        {
          "id": "HX_I199525922",
          "name": "National Institutes of Natural Sciences",
          "relationship": "parent"
        }
      ],
      "counts_by_year": [
        {
          "year": 2026,
          "outputs_count": 11617444,
          "oa_outputs_count": 11617410,
          "cited_by_count": 49
        },
        {
          "year": 2025,
          "outputs_count": 18940305,
          "oa_outputs_count": 18940235,
          "cited_by_count": 442
        },
        {
          "year": 2024,
          "outputs_count": 10000445,
          "oa_outputs_count": 10000376,
          "cited_by_count": 1130
        }
      ],
      "roles": [
        {
          "role": "funder",
          "id": "HX_F4320338091",
          "outputs_count": 2266
        },
        {
          "role": "institution",
          "id": "HX_I4210108322",
          "outputs_count": 40567916
        }
      ],
      "geo": {
        "city": "Toki",
        "geonames_city_id": "1850207",
        "region": null,
        "country_code": "JP",
        "country": "Japan",
        "latitude": 35.349998474121094,
        "longitude": 137.18333435058594
      },
      "international": {},
      "updated_date": "2026-08-05T05:59:45",
      "created_date": "2022-02-02T04:48:36",
      "topics": [
        {
          "id": "HX_T12157",
          "name": "Geochemistry and Geologic Mapping"
        },
        {
          "id": "HX_T13067",
          "name": "Geological Modeling and Analysis"
        },
        {
          "id": "HX_T10346",
          "name": "Magnetic confinement fusion research"
        }
      ]
    }
  ]
}

{
  "statusCode": 400,
  "message": "Bad Request - Invalid query parameters",
  "error": "Bad Request"
}

{
  "statusCode": 429,
  "message": "Rate limit exceeded. Maximum 30 requests per minute.",
  "error": "Too Many Requests"
}