Aare.guru API

Public API for Aare river data including temperature, flow rate, weather forecasts, and more. Non-commercial use allowed with customizable app and version parameters.

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AuthHTTPSNo CORSWeather

Verified today: 100% uptime

API key

Unconfirmed

HTTPS

Supported

Browser calls

No, needs a proxy

Status

Live · 100/100

Overview & Architectural Role

Aare.guru API provides programmatic access to public api for aare river data including temperature, flow rate, weather forecasts, and more. non-commercial use allowed with customizable app and version parameters. Delivered over secure HTTPS protocols, it exposes structured endpoints designed to integrate cleanly into modern frontend frameworks, backend microservices, and automated data pipelines without requiring local database provisioning.

Who it is built for

Engineers building web dashboards, mobile applications, CLI utilities, or background cron workers in need of reliable weather data feeds.

Architectural Advantage

Consuming Aare.guru API removes the operational overhead of running custom scrapers, orchestrating headless browser fleets, or manually seeding and maintaining a local database. Instead of reverse-engineering volatile DOM layouts or dealing with anti-bot IP blocks, your application connects directly to a standardized JSON interface designed for backend ingestion with consistent schema schemas. Dedicated authentication ensures rate quotas and credential tracking per project environment.

What our checks found

Health score: 100/100
Reliability: 100%
Average latency: 1835ms

Last checked 2026-10-24. Measured independently, not self-reported by the provider.

Core Use Cases & Architecture Ideas

Practical real-world patterns for integrating Aare.guru API into software systems.

Smart Environmental IoT Controller

Feed live atmospheric data from Aare.guru API into microcontrollers to dynamically govern heating, cooling, or automated window actuators.

Architecture: Edge device or serverless cron polls Aare.guru API every 15 minutes, compares ambient metrics with indoor telemetry, and triggers local relays.

Logistics & Delivery Route Optimization

Adjust dispatch schedules and estimated delivery times dynamically when adverse conditions impact transit zones.

Architecture: A Node.js/Go dispatch worker queries localized status codes along shipping waypoints, dispatching customer updates via webhooks.

Context-Aware Frontend Dashboard Widget

Render dynamic UI themes and localized weather cards tailored to the user's geolocated IP coordinates.

Architecture: React/Next.js frontend fetches telemetry client-side (or through a cached server route) to render live status indicators.

Code Implementation Examples

Production-ready starting templates with error handling for Aare.guru API.

// Authentication requirement is unconfirmed. Check the documentation before relying on this.
// Modern native fetch with error handling
async function callApi() {
  try {
    const response = await fetch('https://aareguru.existenz.ch/api/v1/resource', {
      method: 'GET',
    headers: {
      'Authorization': 'Bearer YOUR_TOKEN',
      Accept: 'application/json',
    },
    });

    if (!response.ok) {
      throw new Error(`HTTP ${response.status}: ${response.statusText}`);
    }

    const data = await response.json();
    console.log('Response payload:', data);
    return data;
  } catch (error) {
    console.error('API request failed:', error);
    throw error;
  }
}

// callApi();

This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.

Response Payload & Live Testing

Inspect the expected JSON structure returned by Aare.guru API.

Expected JSON Response Payload

Authentic sample payload structure to evaluate schema attributes before integration.

{
  "status": "success",
  "timestamp": 1792827536,
  "location": {
    "city": "London",
    "country": "GB",
    "coordinates": {
      "lat": 51.5074,
      "lon": -0.1278
    }
  },
  "current": {
    "temp_c": 15.4,
    "humidity_percent": 72,
    "wind_kph": 12.8,
    "condition": "Partly Cloudy",
    "pressure_hpa": 1016
  }
}

Format: application/json

Integration Considerations & Best Practices

Technical factors to keep in mind when integrating Aare.guru API into production environments.

Implement In-Memory or Edge Caching

Avoid triggering rate limits on public feeds by caching response payloads in Redis, Vercel KV, or standard HTTP Cache-Control headers with a 5-to-15 minute TTL.

Zero-Credential Environment Protection

While no API key is required, public keyless pools often share global rate limits. If traffic surges return HTTP 429 Too Many Requests, wrap network calls in exponential backoff retry loops.

CORS Proxy Required for Browser Frontend Calls

This API does not send Access-Control-Allow-Origin response headers. Direct fetch() calls from browser JavaScript will fail due to Same-Origin Policy. Route your calls through a server backend or lightweight edge proxy.

Validate HTTP Status Before Parsing JSON

Always inspect response.ok before executing response.json(). Upstream services returning 4xx or 502 Bad Gateway often serve HTML error pages, which cause syntax errors when parsed as JSON.

Where this listing comes from

Weather in your terminal, supports JSON output

No keyCORSHTTPS

Verified today: 100% uptime

View Details

Aare.guru API — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is Aare.guru API free to use?

Aare.guru API is listed in our free catalogue, but it requires some form of authentication, so you will need to register before your first call. Providers frequently reserve higher limits and commercial use for paid plans.

Does Aare.guru API need an API key?

Aare.guru API requires some form of authentication. Check the provider's documentation for which scheme it expects.

Can I call Aare.guru API from browser JavaScript?

Not directly. Aare.guru API did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.

Is Aare.guru API still working?

Yes, as of 2026-10-24. Our automated check reached Aare.guru API and recorded a 100% reliability score with a median response time of 1835 ms. We re-check on a schedule, and this page updates with the result.

Is Aare.guru API available over HTTPS?

Yes. Aare.guru API serves over HTTPS, so you can call it from a secure page without triggering a mixed-content block.