diff --git a/ui/resources/views/currencies/show.blade.php b/ui/resources/views/currencies/show.blade.php
index 26c27dc..0a3d083 100644
--- a/ui/resources/views/currencies/show.blade.php
+++ b/ui/resources/views/currencies/show.blade.php
@@ -71,6 +71,18 @@
           <label>Url</label>
           <input type="text" name="url" />
         </div>
+        <div class="inline field">
+          <label>Frecuencia</label>
+          <input type="text" name="frecuency" />
+          <select name="frec_name" class="ui selection dropdown">
+            <option value="minute">Minuto(s)</option>
+            <option value="hour">Hora(s)</option>
+            <option value="day">D&iacute;a(s)</option>
+            <option value="week">Semana(s)</option>
+            <option value="month">Mes(es)</option>
+            <option value="year">A&ntilde;o(s)</option>
+          </select>
+        </div>
         <button class="ui button">Agregar</button>
       </form>
     </div>
@@ -84,17 +96,27 @@
       add_button: '#add_source',
       add_modal: '#add_sources',
       loading: '',
+      loaded: false,
       sources: [],
       setup: function() {
         $(this.id).hide()
         $(this.add_button).css('cursor', 'pointer').click((e) => {
           this.add()
         })
+        this.buildModal()
       },
       get: function(currency_id, data) {
-        this.sources = data.sources
-        this.populate(currency_id)
-        socket.sendMessage('currency.values', {currency_id: '{{$currency_id}}'})
+        if (!this.loaded) {
+          this.sources = data.sources
+          this.populate(currency_id)
+          socket.sendMessage('currency.values', {currency_id: currency_id})
+          return
+        }
+        var url = '{{$urls->api}}/currency/' + currency_id + '/sources'
+        $.getJSON(url, (data) => {
+          this.sources = data.sources
+          this.populate(currency_id)
+        })
       },
       buildModal: function() {
         $(this.add_modal).modal()
@@ -127,14 +149,15 @@
       doAdd: function() {
         let form = $(this.add_modal).find('form')
         let info = {
-          url: form.find("[name='url']").val()
+          url: form.find("[name='url']").val(),
+          frecuency: form.find("[name='frecuency']").val() + ' ' + form.find("[name='frec_name']").val()
         }
-        var url = '{{$urls->api}}/currency/' + this.data.id + '/sources/add'
+        var url = '{{$urls->api}}/currency/{{$currency_id}}/sources/add'
         $(this.add_modal).modal('hide')
         $(this.loading).modal('show')
         $.post(url, JSON.stringify(info), (data) => {
           if (data.sources[0].created) {
-            this.get()
+            this.get('{{$currency_id}}')
           }
         }, 'json').then(() => {
           $(this.loading).modal('hide')
@@ -163,6 +186,7 @@
       add_modal: '#add_values',
       loading: '',
       values: [],
+      loaded: false,
       setup: function() {
         $(this.id).hide()
         this.buildModal()
@@ -171,12 +195,20 @@
         })
       },
       get: function(currency_id, data) {
-        if (data.values.length > 0) {
+        if (!this.loaded) {
+          if (data.values.length > 0) {
+            this.values = data.values
+            this.populate(currency_id)
+          }
+          $(this.loading).modal('hide')
+          socket.conn.close()
+          return
+        }
+        var url = '{{$urls->api}}/currency/' + currency_id + '/values'
+        $.getJSON(url, (data) => {
           this.values = data.values
           this.populate(currency_id)
-        }
-        $(this.loading).modal('hide')
-        socket.conn.close()
+        })
       },
       buildModal: function() {
         this.getCurrencies()
@@ -229,12 +261,12 @@
           value: form.find("[name='valor']").val(),
           base_id: form.find('.ui.dropdown').dropdown('get value')
         }
-        var url = '{{$urls->api}}/currency/' + this.data.id + '/values/add'
+        var url = '{{$urls->api}}/currency/{{$currency_id}}/values/add'
         $(this.add_modal).modal('hide')
         $(this.loading).modal('show')
         $.post(url, JSON.stringify(info), (data) => {
           if (data.values[0].created) {
-            this.get()
+            this.get('{{$currency_id}}')
           }
         }, 'json').then(() => {
           $(this.loading).modal('hide')