From 1e8a3de15d5b5b57b5837eb6f8782f39e51eb70d Mon Sep 17 00:00:00 2001
From: Bernhard Kiselka <bernhard.kiselka@gmx.at>
Date: Fri, 4 Jan 2019 14:20:02 +0100
Subject: [PATCH] docs(guide/Conceptual Overview): use exchangeratesapi.io

As fixer.io introduced an API key and thus a limitation of calls
(see https://github.com/fixerAPI/fixer#readme ),
change https://api.fixer.io to https://api.exchangeratesapi.io instead,
which is "designed and tested to handle thousands of request per second"
and has "built in Fixer.io compatibility so you can keep all the libraries you already like
and use daily" (from https://api.exchangeratesapi.io ).
The idea is from https://github.com/fixerAPI/fixer/issues/107

fixes  #16807

Closes #16808
---
 docs/content/guide/concepts.ngdoc | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/docs/content/guide/concepts.ngdoc b/docs/content/guide/concepts.ngdoc
index b7ed900c5ff5..ca76baf887a2 100644
--- a/docs/content/guide/concepts.ngdoc
+++ b/docs/content/guide/concepts.ngdoc
@@ -186,7 +186,7 @@ Right now, the `InvoiceController` contains all logic of our example. When the a
 is a good practice to move view-independent logic from the controller into a
 <a name="service">{@link services service}</a>, so it can be reused by other parts
 of the application as well. Later on, we could also change that service to load the exchange rates
-from the web, e.g. by calling the [Fixer.io](http://fixer.io) exchange rate API, without changing the controller.
+from the web, e.g. by calling the [exchangeratesapi.io](https://exchangeratesapi.io) exchange rate API, without changing the controller.
 
 Let's refactor our example and move the currency conversion into a service in another file:
 
@@ -300,7 +300,7 @@ to something shorter like `a`.
 
 ## Accessing the backend
 
-Let's finish our example by fetching the exchange rates from the [Fixer.io](http://fixer.io) exchange rate API.
+Let's finish our example by fetching the exchange rates from the [exchangeratesapi.io](https://exchangeratesapi.io) exchange rate API.
 The following example shows how this is done with AngularJS:
 
 <example name="guide-concepts-3" ng-app-included="true">
@@ -331,7 +331,7 @@ The following example shows how this is done with AngularJS:
         };
 
         var refresh = function() {
-          var url = 'https://api.fixer.io/latest?base=USD&symbols=' + currencies.join(",");
+          var url = 'https://api.exchangeratesapi.io/latest?base=USD&symbols=' + currencies.join(",");
           return $http.get(url).then(function(response) {
             usdToForeignRates = response.data.rates;
             usdToForeignRates['USD'] = 1;