UC Berkeley Library GeoData (GeoBlacklight) Catalog API

The UC Berkeley Library's GIS and map discovery application, built and hosted by the Library itself (the application source is public at BerkeleyLibrary/geodata and the host resolves inside Berkeley's own network to nginx-prod.lib.berkeley.edu). Its Blacklight JSON interface answers anonymous requests at /catalog.json with a paginated JSON:API-shaped response over 5,156 geospatial dataset records described in OpenGeoMetadata Aardvark fields. This is the only Berkeley-operated API that returns institutional data to a caller with no credentials at all. No OpenAPI is published for it and none was generated.

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this
  • find_apisBrowse and filter every API in the catalog.
  • get_api_artifactsOne API's artifacts, grouped by type.
  • get_openapiThe primary OpenAPI for this API.
  • find_similar_apisAPIs that look like this one.
  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
All 92 tools →

Call it yourself

curl for this page
This API
curl "https://apis.io/api/v1/apis/geodata"
All apis
curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

apis.yml Raw ↑
aid: ucb:geodata
name: UC Berkeley Library GeoData (GeoBlacklight) Catalog API
x-operator: institution
description: The UC Berkeley Library's GIS and map discovery application, built and hosted by the Library
  itself (the application source is public at BerkeleyLibrary/geodata and the host resolves inside Berkeley's
  own network to nginx-prod.lib.berkeley.edu). Its Blacklight JSON interface answers anonymous requests
  at /catalog.json with a paginated JSON:API-shaped response over 5,156 geospatial dataset records described
  in OpenGeoMetadata Aardvark fields. This is the only Berkeley-operated API that returns institutional
  data to a caller with no credentials at all. No OpenAPI is published for it and none was generated.
humanURL: https://geodata.lib.berkeley.edu/
baseURL: https://geodata.lib.berkeley.edu/catalog.json
tags:
- Open Data
- Geospatial Data
- Library
- Discovery
- GeoBlacklight
properties:
- type: OpenData
  url: https://geodata.lib.berkeley.edu/
- type: GitHub
  url: https://github.com/BerkeleyLibrary/geodata