OpenTopography API

Access global topographic datasets, USGS 3DEP data, and OpenTopography's catalog of topography datasets. The catalog endpoint works without authentication, while global DEM and USGS DEM downloads require an API key.

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Base URL: https://portal.opentopography.org/apidocs/
Auth: none
Endpoints: 3
Reachable: yes
CORS: unknown
Last checked: 2026-03-14 16:09:17.324448

Links

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

100.0%

Uptime (7d)

1949ms

Avg latency (7d)

1

Probes (7d)

Latency (7d)

Success Rate (7d)

Topics

GEOLOCATION, SCIENCE

Endpoints

Method Path Summary Auth Last Status Latency
GET /globaldem Download global DEM data api_key — —
GET /otCatalog Search OpenTopography catalog none 200 1949ms
GET /usgsdem Download USGS 3DEP DEM data api_key — —