GET /maps/
loc.gov:library-of-congress-api
Summary: Search maps
Operation ID: searchMaps
Auth: none
Operation ID: searchMaps
Auth: none
Description
Search and browse maps and cartographic materials from the Library of Congress collections.
Parameters (4)
c
(integer, query, optional, default: 25)
Count/items per page
fo
(string, query, optional, default: json)
Output format
Constraints: {'enum': ['json', 'yaml']}
q
(string, query, optional)
Search term
sp
(integer, query, optional)
Start page number
Examples (2)
| Title | Type | URL | Action |
|---|---|---|---|
| Search maps and atlases | openapi-spec |
https://www.loc.gov/maps/?q=civil war&fo=json |
|
| Search maps | openapi-spec |
https://www.loc.gov/maps/?q=virginia&fo=json |
Probe History
Status Codes
| Time | Status | Latency | Size |
|---|---|---|---|
| 2026-03-23 09:13:36.455151 | 200 | 1313ms | |
| 2026-03-23 09:06:49.833271 | 200 | 727ms |
Response Changes
| When | Old | New |
|---|---|---|
| 2026-03-23 09:13:36.455151 | 126672346e96 |
15e2ff031a5e |