diff --git a/src/masks/phoneMask.js b/src/masks/phoneMask.js
new file mode 100644
index 0000000..55f2186
--- /dev/null
+++ b/src/masks/phoneMask.js
@@ -0,0 +1,9 @@
+/* eslint-disable no-param-reassign */
+const phoneMask = (text) => {
+  text = text.replace(/\D/g, '');
+  text = text.replace(/^(\d{2})(\d)/g, '($1) $2');
+  text = text.replace(/(\d)(\d{4})$/, '$1-$2');
+  return text;
+};
+
+export default phoneMask;
diff --git a/src/services/api.js b/src/services/api.js
new file mode 100644
index 0000000..f034e4c
--- /dev/null
+++ b/src/services/api.js
@@ -0,0 +1,17 @@
+import axios from 'axios';
+import AsyncStorage from '@react-native-community/async-storage';
+import Config from 'react-native-config';
+
+const instance = axios.create({
+  baseURL: Config.API,
+});
+
+instance.interceptors.request.use(async (config) => ({
+  ...config,
+  headers: {
+    ...config.headers,
+    Authorization: await AsyncStorage.getItem('access_token'),
+  },
+}));
+
+export default instance;
diff --git a/src/services/api2.js b/src/services/api2.js
new file mode 100644
index 0000000..45fdf1a
--- /dev/null
+++ b/src/services/api2.js
@@ -0,0 +1,17 @@
+import axios from 'axios';
+import AsyncStorage from '@react-native-community/async-storage';
+import Config from 'react-native-config';
+
+const instance = axios.create({
+  baseURL: Config.API2,
+});
+
+instance.interceptors.request.use(async (config) => ({
+  ...config,
+  headers: {
+    ...config.headers,
+    Authorization: await AsyncStorage.getItem('access_token'),
+  },
+}));
+
+export default instance;
diff --git a/src/theme/theme.js b/src/theme/theme.js
new file mode 100644
index 0000000..f653e58
--- /dev/null
+++ b/src/theme/theme.js
@@ -0,0 +1,21 @@
+export default {
+  font: {
+    family: '',
+    sizes: {
+      S: 12,
+      SM: 14,
+      M: 17,
+      ML: 20,
+      L: 22,
+      LX: 25,
+      X: 28,
+    },
+  },
+  colors: {
+    primary: '#448AFF',
+    red: '#ff0000',
+    grey: '#9E9E9E',
+    white: '#ffffff',
+    black: '#000000',
+  },
+};
diff --git a/src/validators/phone.js b/src/validators/phone.js
new file mode 100644
index 0000000..dce51ac
--- /dev/null
+++ b/src/validators/phone.js
@@ -0,0 +1,38 @@
+import lodashIsEmpty from 'lodash/isEmpty';
+
+/**
+ * Validate if value is a valid date
+ * @param {String} value Param to do valid
+ * @return {Object}
+ * @property {Boolean} isValid `true` if value is a valid value
+ * @property {String} errorText message of an invalid rule
+ * */
+const phone = (value) => {
+  const errorObject = {
+    isValid: false,
+    errorText: 'Telefone em formato inválido',
+  };
+
+  const successObject = {
+    isValid: true,
+  };
+
+  if (lodashIsEmpty(value)) {
+    return successObject;
+  }
+
+  const regex = /\d+/g;
+
+  let phoneNumber = value.match(regex);
+
+  phoneNumber = phoneNumber ? phoneNumber.join('') : '';
+
+  // Length including region identifier
+  if (phoneNumber.length !== 11 && phoneNumber.length !== 13) {
+    return errorObject;
+  }
+
+  return successObject;
+};
+
+export default phone;
diff --git a/src/validators/required.js b/src/validators/required.js
new file mode 100644
index 0000000..a736e1b
--- /dev/null
+++ b/src/validators/required.js
@@ -0,0 +1,27 @@
+import lodashIsEmpty from 'lodash/isEmpty';
+
+/**
+ * Validate if value is true
+ * @param {String} value Param to do valid
+ *
+ * @return {Object}
+ * @property {Boolean} isValid `true` if value is a valid value
+ * @property {String} errorText message of an invalid rule
+ * */
+const required = (value, errorMessage) => {
+  const errorText = errorMessage || 'Este campo é obrigatório';
+  const errorObject = {
+    isValid: false,
+    errorText,
+  };
+
+  if (lodashIsEmpty(value)) {
+    return errorObject;
+  }
+
+  return {
+    isValid: true,
+  };
+};
+
+export default required;