diff --git a/modules/fx-rates/src/Domain/FxRatesService.php b/modules/fx-rates/src/Domain/FxRatesService.php
index 8ee8d15..d718c32 100644
--- a/modules/fx-rates/src/Domain/FxRatesService.php
+++ b/modules/fx-rates/src/Domain/FxRatesService.php
@@ -414,12 +414,25 @@ final class FxRatesService
 
     private function fetchCurrenciesPayload(): array
     {
-        $request = $this->buildCurrenciesRequest();
-        if ($request === null) {
+        $requests = $this->buildCurrenciesRequests();
+        if ($requests === []) {
             throw new \RuntimeException('FX-API-Key fehlt.');
         }
 
-        $payload = $this->requestJson($request['url'], $request['headers'] ?? [], 'Waehrungskatalog konnte nicht geladen werden.');
+        $payload = null;
+        $lastError = null;
+        foreach ($requests as $request) {
+            try {
+                $payload = $this->requestJson($request['url'], $request['headers'] ?? [], 'Waehrungskatalog konnte nicht geladen werden.');
+                break;
+            } catch (\RuntimeException $exception) {
+                $lastError = $exception;
+            }
+        }
+
+        if (!is_array($payload)) {
+            throw $lastError ?? new \RuntimeException('Waehrungskatalog konnte nicht geladen werden.');
+        }
 
         if ($this->isCurrencyApiCom()) {
             return $this->normalizeCurrencyApiComCurrenciesPayload($payload);
@@ -482,30 +495,40 @@ final class FxRatesService
         ];
     }
 
-    private function buildCurrenciesRequest(): ?array
+    private function buildCurrenciesRequests(): array
     {
         $apiKey = $this->apiKey();
         if ($apiKey === '') {
-            return null;
+            return [];
         }
 
         if ($this->isCurrencyApiCom()) {
-            return [
+            return [[
                 'url' => $this->currenciesApiUrl() . '/v3/currencies',
                 'headers' => [
                     'Accept: application/json',
                     'apikey: ' . $apiKey,
                 ],
-            ];
+            ]];
         }
 
         return [
-            'url' => sprintf(
-                '%s/api/v2/currencies?output=json&key=%s',
-                $this->currenciesApiUrl(),
-                rawurlencode($apiKey)
-            ),
-            'headers' => ['Accept: application/json'],
+            [
+                'url' => sprintf(
+                    '%s/api/v1/currencies?output=json&key=%s',
+                    $this->currenciesApiUrl(),
+                    rawurlencode($apiKey)
+                ),
+                'headers' => ['Accept: application/json'],
+            ],
+            [
+                'url' => sprintf(
+                    '%s/api/v2/currencies?output=json&key=%s',
+                    $this->currenciesApiUrl(),
+                    rawurlencode($apiKey)
+                ),
+                'headers' => ['Accept: application/json'],
+            ],
         ];
     }