Provide latest euro exchange rates from European Central Bank via Webhook

Description

What is this workflow doing?
This simple workflow is pulling the latest Euro foreign exchange reference rates from the European Central Bank and responding expected values to an incoming HTTP request (GET) via a Webhook trigger node.

Setup
no authentication** needed
the workflow is ready to use
test** the workflow template by hitting the test workflow button and calling the URL in the webhook node
optional: choose your own Webhook listening path in the Webhook trigger node

Usage
There are two possible usage scenarios:
get all Euro exchange rates as an array of objects
get only a specific currency exchange rate as a single object

All available rates
Using the HTTP query ?foreign=USD (where USD is one of the available currency symbols) will provide only that specificly asked rate.

Response example:
{"currency":"USD","rate":"1.0852"}

Single exchange rate
If no query is provided, all available rates are returned.

Response example:
[{"currency":"USD","rate":"1.0852"},{"currency":"JPY","rate":"163.38"},{"currency":"BGN","rate":"1.9558"},{"currency":"CZK","rate":"25.367"},{"currency":"DKK","rate":"7.4542"},{"currency":"GBP","rate":"0.85495"},{"currency":"HUF","rate":"389.53"},{"currency":"PLN","rate":"4.3053"},{"currency":"RON","rate":"4.9722"},{"currency":"SEK","rate":"11.1675"},{"currency":"CHF","rate":"0.9546"},{"currency":"ISK","rate":"149.30"},{"currency":"NOK","rate":"11.4285"},{"currency":"TRY","rate":"33.7742"},{"currency":"AUD","rate":"1.6560"},{"currency":"BRL","rate":"5.4111"},{"currency":"CAD","rate":"1.4674"},{"currency":"CNY","rate":"7.8100"},{"currency":"HKD","rate":"8.4898"},{"currency":"IDR","rate":"16962.54"},{"currency":"ILS","rate":"3.9603"},{"currency":"INR","rate":"89.9375"},{"currency":"KRW","rate":"1444.46"},{"currency":"MXN","rate":"18.5473"},{"currency":"MYR","rate":"5.1840"},{"currency":"NZD","rate":"1.7560"},{"currency":"PHP","rate":"60.874"},{"currency":"SGD","rate":"1.4582"},{"currency":"THB","rate":"38.915"},{"currency":"ZAR","rate":"20.9499"}]

Further info
Read more about Euro foreign exchange reference rates here.