PASAR API

🇨🇭 Existenz.ch ~ live Swiss weather & river data

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Unofficial community API repackaging MeteoSwiss and BAFU feeds at ~10-minute cadence with no SLA.

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Call it

curl 'https://api.existenz.ch/apiv1/'

AI prompt

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

API: Existenz.ch ~ live Swiss weather & river data
Provider: Bureau fuer digitale Existenz (Christian Studer)
Endpoint: GET https://api.existenz.ch/apiv1/
It returns JSON (live data).

Source: Bureau fuer digitale Existenz (Christian Studer) (https://api.existenz.ch/)
Source type: Official public feed
Endpoint type: Direct public JSON endpoint
Integration difficulty: Copy-paste ready
Last checked: 2026-07-05
Production caveat: Still handle downtime, changing fields, empty responses, and rate limits before shipping user-facing alerts.

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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