PASAR API

🇨🇦 Natural Resources Canada ~ elevation & terrain profiles

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Keyless REST service returning ground altitude for a lat/long or an elevation profile along a line, from the Canadian Digital Elevation Model.

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Call it

curl 'https://geogratis.gc.ca/services/elevation/cdem'

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API: Natural Resources Canada ~ elevation & terrain profiles
Provider: Natural Resources Canada
Endpoint: GET https://geogratis.gc.ca/services/elevation/cdem
It returns JSON.

Source: Natural Resources Canada (https://natural-resources.canada.ca/science-data/data-analysis/geospatial-data-tools-services/elevation-api)
Source type: Official open-data catalogue
Endpoint type: Open-data catalogue JSON
Integration difficulty: Copy-paste ready
Last checked: 2026-07-05
Production caveat: Still handle empty rows, schema changes, pagination, stale coverage, and temporary upstream failures.

Help me fetch this and build a simple page that displays it nicely. Include basic production safeguards for errors, empty responses, schema changes, caching, and rate limits.

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