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MCP InfraNode is also available as an MCP server for AI assistants like Claude and ChatGPT.

Open data API for Mülheim an der Ruhr

Open data for Mülheim an der Ruhr (Nordrhein-Westfalen) through a free, keyless REST API: weather, air quality, electricity price and more, delivered as consistent JSON with source and license on every response. No API key, no sign-up.

All InfraNode GPTs.

CityMülheim an der Ruhr
StateNordrhein-Westfalen
Population173,255
API slugmuelheim-an-der-ruhr
CoverageAuto (AGS and geo-based)

Data with a guide for Mülheim an der Ruhr

These data types have an in-depth guide; all are retrievable for Mülheim an der Ruhr via the slug:

How to fetch data for Mülheim an der Ruhr

A simple GET request, no key and no sign-up:

curl https://infranode.dev/api/v1/cities/muelheim-an-der-ruhr/weather

Or air quality:

curl https://infranode.dev/api/v1/cities/muelheim-an-der-ruhr/air-uba

All 69 data types for Mülheim an der Ruhr

Using the same slug, all 69 city data types can be retrieved for Mülheim an der Ruhr. Where a source has nothing for Mülheim an der Ruhr (yet), the API honestly returns no_data instead of an error. Parameters and example responses for each data type are in the linked reference:

An overview of all cities is on the cities page. InfraNode is also available as an MCP server for AI assistants.

Mülheim an der Ruhr via MCP server in Claude and ChatGPT

All open data for Mülheim an der Ruhr is also available through the free, keyless InfraNode MCP server for AI agents. Connect it once to Claude or ChatGPT and ask in natural language, for example "Give me an overview of Mülheim an der Ruhr" (calls get_city_overview, the catalog of all data types with live highlights) or more specifically "What is the weather in Mülheim an der Ruhr?". Here is how to set it up: set up the MCP server.