---
title: "BundesbankBaseRates – API-Referenz · Quittio"
description: "Fetches the base rate according to section 247 BGB from the statistics API of the Deutsche Bundesbank (time series BBIN1.M.DE.BBK.BBKBAS2.EUR.ME, formerly SU0115). The series has a value per month; the rate changes on 1 January and 1 July, so the values of January and July are the table entries. A new rate appears once the Bundesbank has published the value of that month."
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meta:
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---

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[API reference](https://quittio.dev/docs/api) / [Quittio](https://quittio.dev/docs/api/Quittio) \\ [Country](https://quittio.dev/docs/api/Quittio/Country) \\ [DE](https://quittio.dev/docs/api/Quittio/Country/DE) \\ [Dunning](https://quittio.dev/docs/api/Quittio/Country/DE/Dunning)

# BundesbankBaseRates

final readonly class in quittio/country-de

`Quittio\Country\DE\Dunning\BundesbankBaseRates` · [Source](https://github.com/Quittio/quittio/blob/v0.7.1/packages/country-de/src/Dunning/BundesbankBaseRates.php#L17)

Fetches the base rate according to section 247 BGB from the statistics API of the Deutsche Bundesbank (time series BBIN1.M.DE.BBK.BBKBAS2.EUR.ME, formerly SU0115). The series has a value per month; the rate changes on 1 January and 1 July, so the values of January and July are the table entries. A new rate appears once the Bundesbank has published the value of that month.

## Constants \#

| Constant | Value | Description |
| --- | --- | --- |
| `URL` | `'https://api.statistiken.bundesbank.de/rest/data/BBIN1/M.DE.BBK.BBKBAS2.EUR.ME?format=csv&lang=de&startPeriod=%s'` | |

## Methods \#

| Method | Description |
| --- | --- |
| `->__construct()` | |
| `->fetch()` | |
| `::parse()` | Reads the January and July values of the CSV download ("2026-07;1,52;…"). |

### `__construct()`#

```
public function __construct(
    (Closure(string $url, int $timeout): string)|null $http = null,
    int $timeout = 15,
)
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$http` | `(Closure(string $url, int $timeout): string)\|null` = `null` | returns the response body, throws on failure |
| `$timeout` | `int` = `15` | |

### `fetch()`#

```
public function fetch(string $since = '2002-01'): array<string, string>
```

| Parameter | Type | Description |
| --- | --- | --- |
| `$since` | `string` = `'2002-01'` | first month (YYYY-MM) |

<dl><dt>Returns</dt>
<dd><code>array&lt;string, string&gt;</code> – ISO date =&gt; rate in percent, e.g. ['2026-07-01' =&gt; '1.52']</dd></dl>

### `parse()`#

```
public static function parse(string $csv): array<string, string>
```

static

Reads the January and July values of the CSV download ("2026-07;1,52;…").

| Parameter | Type | Description |
| --- | --- | --- |
| `$csv` | `string` | |

<dl><dt>Returns</dt>
<dd><code>array&lt;string, string&gt;</code></dd>
</dl>

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