GET /collections.json

nasa.gov:nasa-earthdata-api

Summary: Search data collections
Operation ID: searchCollections
Auth: unknown
Description

Returns metadata for NASA Earth science data collections matching the search criteria.

Parameters (4)

bounding_box (string, query, optional)

Bounding box in format 'min_lon,min_lat,max_lon,max_lat'

keyword (string, query, optional)

Search keyword (e.g., 'modis', 'land surface temperature')

page_size (integer, query, optional, default: 10)

Number of results per page

temporal (string, query, optional)

Temporal range in format 'start_date,end_date'

Examples (5)

TitleTypeURLAction
Basic collection search with facets curl https://cmr.earthdata.nasa.gov/search/collections.json?page_size=5&include_facets=true&include_granule_counts=true&pretty=true
Search by platform with spatial bounding box curl https://cmr.earthdata.nasa.gov/search/collections.json?platform=AQUA&bounding_box=-10,-5,10,5&has_granules=true&page_size=3
Search by short name pattern with temporal range curl https://cmr.earthdata.nasa.gov/search/collections.json?short_name=MOD*&options[short_name][pattern]=true&temporal=2020-01-01T00:00:00Z,2023-12-31T23:59:59Z&sort_key=-revision_date
Search data collections openapi-spec https://cmr.earthdata.nasa.gov/search/collections.json?keyword=modis&bounding_box=-180,-90,180,90&temporal=2020-01-01T00:00:00Z,2020-12-31T23:59:59Z
Search data collections probe-gate https://cmr.earthdata.nasa.gov/search/collections.json?keyword=modis&bounding_box=-180%2C-90%2C180%2C90&temporal=2020-01-01T00%3A00%3A00Z%2C2020-12-31T23%3A59%3A59Z&page_size=10

Probe History

Latency

Status Codes

TimeStatusLatencySize
2026-03-23 10:49:15.191366 200 257ms
2026-03-23 10:29:13.311691 200 465ms
2026-03-23 10:17:02.928562 200 220ms
2026-03-23 09:41:12.191267 200 260ms
2026-03-23 09:32:58.889401 200 375ms

Response Changes

WhenOldNew
2026-03-23 09:41:12.191267 82c9921e8cf8 b4e0025b41c8
2026-03-23 10:17:02.928562 b4e0025b41c8 d4c842ca4720
2026-03-23 10:29:13.311691 d4c842ca4720 b82f10f1af70
2026-03-23 10:49:15.191366 b82f10f1af70 5278cb9f1619