Smithsonian Open Access by Smithsonian Institution
CC0 Smithsonian collection records and 3D models, with a REST API (api.data.gov key) and an alpha 3D API.
Price
Free
Free; free API key.
Commercial use
With conditions
CC0 (Open Access content)
Credit the author
Not needed
No credit needed
Agent access
Public API
API key needed
Rules for your agent
Copied.
- Smithsonian Open Access (Open and public-domain media, 3D models). CC0 Smithsonian collection records and 3D models, with a REST API (api.data.gov key) and an alpha 3D API. Price: free; commercial use with conditions; no credit needed; ship inside your app with conditions. Connect: API docs https://edan.si.edu/openaccess/apidocs/ (API key needed). Limits: api.data.gov key limits apply (figures not stated on the page read). Rule: Use only items marked CC0; check each media item's usage rights. Rule: Get an API key from api.data.gov. License: https://www.si.edu/openaccess (checked 2026-10-10; details: https://agentgid.com/assets/smithsonian-open-access/)
Paste it into your prompt or AGENTS.md. It is built from the license and API terms below.
License
| License | CC0 (Open Access content) |
|---|---|
| Commercial use | Commercial use with conditions |
| Credit | No credit needed |
| Inside your app or game | Ship inside your app with conditions |
| Monetized YouTube | Monetized YouTube with conditions |
| AI training | Not stated |
| Bots and bulk downloads | Not stated |
| Rules |
|
Connect it to an agent
| MCP server | None found |
|---|---|
| API | API docs · key needed |
| Limits | api.data.gov key limits apply (figures not stated on the page read). |
| GitHub | Smithsonian/smithsonian-openaccess |
Pricing
| Free | Free; free API key. |
|---|---|
| Paid from | — |
| Usage price | — |
| Good to know | Metadata moved to the AWS Registry of Open Data; the GitHub metadata repo is archived. The 3D API (3d-api.si.edu) is labeled alpha. Official Python module is Apache-2.0. |
Sources
Read on Oct 10, 2026: github.com/Smithsonian/OpenAccess, github.com/Smithsonian/smithsonian-openaccess.
Seen only in search results of official pages (not opened): www.si.edu/openaccess/devtools, www.si.edu/openaccess/updates/21st-century-diffusion, 3d.si.edu/open-source-resources.
Not confirmed: si.edu and 3d.si.edu returned 403 and the API docs render client-side; count of 3D models (2,200+ via search).
Not legal advice. Check the license page before you ship.
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Copied. Paste it into your prompt or AGENTS.md.