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Smithsonian Institution

The Smithsonian Institution provides open access APIs to its collections of over 22 million objects, artworks, and natural history specimens from 19 museums, 21 libraries, and 9 research centers. The Open Access API enables developers to search and retrieve collection data, images, and metadata across the world's largest museum and research complex.

1 APIs 0 Features
CollectionsCultural HeritageMuseumsOpen DataArtNatural HistoryResearch

APIs

Smithsonian Open Access API

The Smithsonian Open Access API provides programmatic access to the Smithsonian's publicly available collection data including objects, artworks, specimens, and related media ac...

Collections

Pricing Plans

Rate Limits

FinOps

Semantic Vocabularies

Smithsonian Institution Context

31 classes · 0 properties

JSON-LD

API Governance Rules

Smithsonian Institution API Rules

8 rules · 2 errors 6 warnings

SPECTRAL

JSON Structure

Smithsonian Collection Item Structure

0 properties

JSON STRUCTURE

Example Payloads

Resources

🔗
LinkedIn
LinkedIn
🔗
Website
Website
🌐
Open Access Portal
Open Access Portal
🔧
Developer Tools
Developer Tools
👥
GitHubOrganization
GitHubOrganization
🔗
Data Repository
Data Repository
🔗
API Key Registration
API Key Registration
🔗
Python Client
Python Client
🔗
Metadata Documentation
Metadata Documentation

Sources

Raw ↑
opencollection: 1.0.0
info:
  name: Smithsonian Open Access API
  version: 1.0.0
request:
  auth:
    type: apikey
    key: api_key
    value: '{{api_key}}'
    placement: query
items:
- info:
    name: Content
    type: folder
  items:
  - info:
      name: Get Content By ID
      type: http
    http:
      method: GET
      url: https://edan.si.edu/openaccess/api/content
      params:
      - name: id
        value: ''
        type: query
        description: The unique identifier of the content item
      - name: api_key
        value: ''
        type: query
        description: API key obtained from api.data.gov
    docs: Retrieves detailed content for a specific Smithsonian collection item by its unique identifier.
- info:
    name: Search
    type: folder
  items:
  - info:
      name: Search Collections
      type: http
    http:
      method: GET
      url: https://edan.si.edu/openaccess/api/search/search
      params:
      - name: q
        value: ''
        type: query
        description: Search query string
      - name: start
        value: ''
        type: query
        description: Zero-based offset for pagination
      - name: rows
        value: ''
        type: query
        description: Number of results to return
      - name: sort
        value: ''
        type: query
        description: Sort order for results
      - name: type
        value: ''
        type: query
        description: Filter by EDAN schema/record type
      - name: row_group
        value: ''
        type: query
        description: Group results by object type
      - name: api_key
        value: ''
        type: query
        description: API key obtained from api.data.gov
    docs: Full-text search across Smithsonian collections. Supports filtering by content type, row grouping, and sorting.
      Returns paginated results with metadata about matching collection items.
  - info:
      name: Search by Category
      type: http
    http:
      method: GET
      url: https://edan.si.edu/openaccess/api/search/category_search
      params:
      - name: q
        value: ''
        type: query
        description: Search query string
      - name: category
        value: ''
        type: query
        description: Subject category filter
      - name: start
        value: ''
        type: query
        description: Zero-based offset for pagination
      - name: rows
        value: ''
        type: query
        description: Number of results to return
      - name: sort
        value: ''
        type: query
        description: Sort order
      - name: api_key
        value: ''
        type: query
        description: API key obtained from api.data.gov
    docs: Search Smithsonian collections filtered by a subject category. Categories include art and design, history and culture,
      and science and technology.
  - info:
      name: Get Search Terms
      type: http
    http:
      method: GET
      url: https://edan.si.edu/openaccess/api/search/terms
      params:
      - name: category
        value: ''
        type: query
        description: The facet category to retrieve terms for
      - name: starts_with
        value: ''
        type: query
        description: Filter terms that start with this character or string
      - name: api_key
        value: ''
        type: query
        description: API key obtained from api.data.gov
    docs: Retrieves available search terms and facet values for a specified category. Useful for building search filters and
      faceted navigation. Optionally filter terms by starting character.
- info:
    name: Metrics
    type: folder
  items:
  - info:
      name: Get Collection Metrics
      type: http
    http:
      method: GET
      url: https://edan.si.edu/openaccess/api/metrics/stats
      params:
      - name: api_key
        value: ''
        type: query
        description: API key obtained from api.data.gov
    docs: Retrieves aggregate statistics and metrics about the Smithsonian collection, including total object counts and availability
      metrics.
bundled: true