PASAR API

🇬🇧 Environment Agency ~ real-time flood & river levels

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Keyless, no registration (Open Government Licence); flood warnings/alerts plus ~15-minute station readings for level, flow and rainfall across England.

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Call it

curl 'https://environment.data.gov.uk/flood-monitoring/'

AI prompt

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

API: Environment Agency ~ real-time flood & river levels
Provider: Environment Agency (Defra)
Endpoint: GET https://environment.data.gov.uk/flood-monitoring/
It returns JSON (live data).

Source: Environment Agency (Defra) (https://environment.data.gov.uk/flood-monitoring/doc/reference)
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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