irm-kmi-api
Retrieve data from the Belgian IRM KMI in Python
Decision gist · record as of 2026-08-14
Yes, if you need Belgian weather data and can accept the reverse-engineered API risk. Install friction is low, the license is permissive, and there are no known vulnerabilities. However, be aware that the underlying API is undocumented and may break without notice—suitable for hobby projects or non-critical applications, less so for production systems requiring guaranteed uptime. The 201-day gap since the last release suggests the maintainer is not actively updating it, so factor in potential maintenance burden if the API changes.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.12 or later.
- The underlying API is reverse-engineered and undocumented; it may change without notice and break this package.
- Low friction; pure Python wheel with only aiohttp and svgwrite as runtime dependencies.
License · maintenance · safety
permissive license (permissive) — MIT License permits free use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
last release 2026-01-25 (201 days) · last repo commit 2026-01-26 · 9 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 82,963 downloads/mo, #14,116 on PyPI
Alternatives
Verify before relying
import aiohttp
import asyncio
from irm_kmi_api import IrmKmiApiClientHa
async def get_weather():
session = aiohttp.ClientSession()
client = IrmKmiApiClientHa(session=session, user_agent="myapp/1.0")
await client.refresh_forecasts_coord({'lat': 50.47, 'long': 4.87})
weather = client.get_current_weather()
await session.close()
return weather
asyncio.run(get_weather())- Whether the package is actively maintained going forward (last release 201 days ago, though repo shows recent commits).
- Stability guarantees or update frequency for the reverse-engineered API endpoints.
What it is and what it does
irm-kmi-api is an async Python wrapper around the undocumented API used by the Belgian Royal Meteorological Institute's mobile weather application. It exposes current weather conditions, hourly and daily forecasts, rain radar animations, extreme weather warnings, and pollen data for Belgium, Netherlands, and Luxembourg. The package uses aiohttp for asynchronous HTTP requests and svgwrite for rain radar visualization.
The package is designed for developers who need programmatic access to Belgian weather data without relying on a public API contract. It requires Python 3.12 and expects users to set meaningful User-Agent headers and apply rate-limiting to avoid overloading the underlying service. The maintainer explicitly disclaims affiliation with the meteorological institute and notes that the package cannot provide features unavailable from the reverse-engineered API.
Use it for
- Build a weather dashboard or mobile app showing current conditions and forecasts for Belgium.
- Generate rain radar animations for weather alerts or public information systems.
- Integrate pollen forecasts into allergy-tracking or health applications targeting Belgian users.
- Monitor extreme weather warnings (storms, floods) for automated alert systems.
- Fetch weather data for home automation or IoT projects in the Benelux region.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you need Belgian weather data and can accept the reverse-engineered API risk.
Install friction is low, the license is permissive, and there are no known vulnerabilities. However, be aware that the underlying API is undocumented and may break without notice—suitable for hobby projects or non-critical applications, less so for production systems requiring guaranteed uptime. The 201-day gap since the last release suggests the maintainer is not actively updating it, so factor in potential maintenance burden if the API changes.
Install
irm-kmi-api on PyPI
Before you install
Low friction; pure Python wheel with only aiohttp and svgwrite as runtime dependencies. Repository shows active maintenance with a commit as recent as 2026-01-26, though the package is aging (201 days since last release). No known vulnerabilities.
Requires Python 3.12 or later. The underlying API is reverse-engineered and undocumented; it may change without notice and break this package.
License in practice
MIT License permits free use, modification, and distribution with minimal restrictions—suitable for both open-source and commercial projects.
Quickstart
import aiohttp
import asyncio
from irm_kmi_api import IrmKmiApiClientHa
async def get_weather():
session = aiohttp.ClientSession()
client = IrmKmiApiClientHa(session=session, user_agent="myapp/1.0")
await client.refresh_forecasts_coord({'lat': 50.47, 'long': 4.87})
weather = client.get_current_weather()
await session.close()
return weather
asyncio.run(get_weather())Verify before relying
- Whether the package is actively maintained going forward (last release 201 days ago, though repo shows recent commits).
- Stability guarantees or update frequency for the reverse-engineered API endpoints.
Package facts
| License | permissive license permissive |
| Python support | Supports the current Python release >=3.12 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagesaiohttpsvgwrite |
| Maintenance | Aging 201 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 82,963 / month, #14,116 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | License :: OSI Approved :: Apache Software LicenseProgramming Language :: PythonProgramming Language :: Python :: 3 |
Evidence: irm_kmi_api-1.1.1-py3-none-any.whl
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