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

Open data API for Offenbach am Main

Open data for Offenbach am Main (Hessen) 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.

CityOffenbach am Main
StateHessen
Population135,490
API slugoffenbach-am-main
CoverageAuto (AGS and geo-based)

Data with a guide for Offenbach am Main

These data types have an in-depth guide; all are retrievable for Offenbach am Main via the slug:

How to fetch data for Offenbach am Main

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

curl https://infranode.dev/api/v1/cities/offenbach-am-main/weather

Or air quality:

curl https://infranode.dev/api/v1/cities/offenbach-am-main/air-uba

All 69 data types for Offenbach am Main

Using the same slug, all 69 city data types can be retrieved for Offenbach am Main. Where a source has nothing for Offenbach am Main (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.

Offenbach am Main via MCP server in Claude and ChatGPT

All open data for Offenbach am Main 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 Offenbach am Main" (calls get_city_overview, the catalog of all data types with live highlights) or more specifically "What is the weather in Offenbach am Main?". Here is how to set it up: set up the MCP server.