PASAR API

🇨🇭 swisstopo ~ REFRAME coordinate transformation API

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Distinct from the GeoAdmin search/identify API; free geodetic REST for LV95/LV03 <-> WGS84 conversion.

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Call it

curl 'https://geodesy.geo.admin.ch/reframe/'

AI prompt

I'm building an app using a free Switzerland API (no auth needed).

API: swisstopo ~ REFRAME coordinate transformation API
Provider: Federal Office of Topography swisstopo
Endpoint: GET https://geodesy.geo.admin.ch/reframe/
It returns JSON.

Source: Federal Office of Topography swisstopo (https://www.swisstopo.admin.ch/en/rest-api-geoservices-reframe-web)
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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