OpenTopography API

Provides access to high-resolution digital elevation model data globally (SRTM, ALOS, GEBCO) and USGS 3DEP datasets for the United States, with bounding-box catalog search to discover available topography datasets.

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Screenshot:
Screenshot of OpenTopography API homepage
Slug: opentopography
Key: opentopography.org:opentopography-api
Base URL: https://portal.opentopography.org/apidocs/
Auth: none
Endpoints: 3
Category: geography
Reachable: yes
CORS: unknown
Tier: verified
Last checked: 2026-03-14 16:09:17.324448

Links

API Base: https://portal.opentopography.org/apidocs/
Documentation:

Topics

GEOLOCATION, SCIENCE

Endpoints (3)

Path Summary Response Auth
globaldem Access global topographic datasets ? api_key
otCatalog Bounding box-based catalog search application/json none
usgsdem Access USGS 3DEP raster datasets ? api_key