# Gkd Bayern — Wrapped API

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> Monitor groundwater levels and access historical time series data from Munich's official water monitoring stations to track water stress conditions across the city's drinking water supply regions. Get real-time station information and current water levels to stay informed about local water availability and supply status.

**Category:** Government & Public Data | **Website:** [www.gkd.bayern.de/de/grundwasser/oberesstockwerk/inn/vagen-mangfall-r-35-21947/gesamtzeitraum](https://www.gkd.bayern.de/de/grundwasser/oberesstockwerk/inn/vagen-mangfall-r-35-21947/gesamtzeitraum) | **Docs:** [parse.bot/marketplace/0d8a8cbc-9459-4c65-bec9-4423b2f7e70d/gkd-bayern-de-api](https://parse.bot/marketplace/0d8a8cbc-9459-4c65-bec9-4423b2f7e70d/gkd-bayern-de-api)

Pay-per-use API proxy. Each call is automatically billed to your wallet in USDC.

## Access

**Base URL:** `https://api.paywithlocus.com/api/wrapped/parse-gkd-bayern-de-api-0d8a8cbc/`
**Auth:** `Authorization: Bearer <LOCUS_API_KEY>`

## Endpoints

### get_current_level

Retrieves the most recent groundwater level measurement for a station including measurement timestamp and ground elevation. One request per station.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `station_id` | string | Yes | GKD Bayern station number (e.g. 21947, 25707, 25668). |

```bash
curl -X POST https://api.paywithlocus.com/api/wrapped/parse-gkd-bayern-de-api-0d8a8cbc/get_current_level \
  -H "Authorization: Bearer YOUR_LOCUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"station_id":"<string>"}'
```

### get_station_info

Retrieves station metadata including location, operator, aquifer type, ground elevation, and historical water level statistics (highest/mean/lowest ever recorded). One request per station.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `station_id` | string | Yes | GKD Bayern station number (e.g. 21947, 25707, 25668). |

```bash
curl -X POST https://api.paywithlocus.com/api/wrapped/parse-gkd-bayern-de-api-0d8a8cbc/get_station_info \
  -H "Authorization: Bearer YOUR_LOCUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"station_id":"<string>"}'
```

### get_time_series

Retrieves historical groundwater level time series as daily measurements. Supports two periods: 'recent' (last 12 months) or 'full' (entire observation history spanning decades). Results are ordered newest-first and auto-iterated by the SDK.

**Estimated cost:** Metered

| Field | Type | Required | Description |
|-------|------|----------|-------------|
| `limit` | integer | No | Maximum number of measurements to return. When omitted, all available measurements are returned. |
| `period` | string | No | Time range to retrieve. |
| `station_id` | string | Yes | GKD Bayern station number (e.g. 21947, 25707, 25668). |

```bash
curl -X POST https://api.paywithlocus.com/api/wrapped/parse-gkd-bayern-de-api-0d8a8cbc/get_time_series \
  -H "Authorization: Bearer YOUR_LOCUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"limit":"<integer>","period":"<string>","station_id":"<string>"}'
```