services/ESProxyService.js

@@ -92,10 +92,9 @@ export default {
     )
   },
   getEubopenSearchParams(term) {
-    const formData = new FormData()
-    formData.append('term', term)
-
-    return esProxyApiClient.post(`/eubopen/search/free_text`, formData)
+    return esProxyApiClient.get(
+      `/eubopen/search/free_text/${encodeURIComponent(term)}`
+    )
   },
   getGenericData(dataPath) {
     return esProxyApiClient.get(dataPath)