ecb-rate 0.6.3

A small CLI tool for fetching EUR exchange rates from the European Central Bank JSON API.

ecb-rate

Simple CLI tool to fetch EUR-based exchange rates from the European Central Bank (ECB) API.

Requires Python 3.11 or newer.

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Installation

Using uv (recommended):

uv sync

Or with pip:

pip install .

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Usage

Basic

ecb_rate TRY

Output:

51.2795

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Version

ecb_rate --version

Output:

ecb_rate 0.6.3

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With specific date

ecb_rate TRY --specificDate 2025-06-06

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Pretty output

ecb_rate TRY --pretty

Output:

Base currency:   EUR
Target currency: TRY

2025-06-06: 1 EUR = 43.1234 TRY

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List supported currencies

ecb_rate --list

Output:

Supported currency codes:
  AUD  Australian dollar (Australia)
  ...
  USD  US dollar (United States of America)
  ZAR  South African rand (South Africa)

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Invalid input

Missing target currency:

ecb_rate

Output:

Error: A target currency code is required. Example: ecb_rate USD. Use --help for usage.

Unsupported target currency:

ecb_rate US

Output:

Error: Unsupported currency code: US. Use --list to see all supported currency codes.

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Supported currencies

The CLI supports all currencies defined by the ECB reference exchange rate dataset (EXR).

Run ecb_rate --list to print all supported currency codes.

• AUD – Australian dollar (Australia)
• BRL – Brazilian real (Brazil)
• CAD – Canadian dollar (Canada)
• CHF – Swiss franc (Switzerland)
• CNY – Chinese yuan (China)
• CZK – Czech koruna (Czechia)
• DKK – Danish krone (Denmark)
• EUR – Euro (euro area)
• GBP – Pound sterling (United Kingdom)
• HKD – Hong Kong dollar (China, Hong Kong SAR)
• HUF – Hungarian forint (Hungary)
• IDR – Indonesian rupiah (Indonesia)
• ILS – Israeli shekel (Israel)
• INR – Indian rupee (India)
• ISK – Icelandic krona (Iceland)
• JPY – Japanese yen (Japan)
• KRW – South Korean won (Republic of Korea)
• MXN – Mexican peso (Mexico)
• MYR – Malaysian ringgit (Malaysia)
• NOK – Norwegian krone (Norway)
• NZD – New Zealand dollar (New Zealand)
• PHP – Philippine peso (Philippines)
• PLN – Polish zloty (Poland)
• RON – Romanian leu (Romania)
• SEK – Swedish krona (Sweden)
• SGD – Singapore dollar (Singapore)
• THB – Thai baht (Thailand)
• TRY – Turkish lira (Türkiye)
• USD – US dollar (United States of America)
• ZAR – South African rand (South Africa)

Source: https://data-api.ecb.europa.eu/service/data/EXR

Currency support in this tool is defined via the CurrencyType enum.

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API

Uses the official ECB Data Portal:

https://data-api.ecb.europa.eu/service/data/EXR

Format:

• jsondata (SDMX JSON)

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Project structure

ecb_rate/
├─ cli.py
├─ client.py
├─ custom_types.py
├─ models.py
├─ service.py

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Development

Install dev dependencies:

uv sync --dev

Run tests:

uv run pytest