diff --git a/src/lib/api.ts b/src/lib/api.ts
index 2031441..08027d6 100644
--- a/src/lib/api.ts
+++ b/src/lib/api.ts
@@ -6,8 +6,24 @@ import {
   Translations,
 } from "../../types";
 
-const fetchApi = async <T>(path: string, opts = {}) => {
-  const response = await fetch(`https://localise.biz/api${path}`, opts);
+const BASE_URL = "https://localise.biz/api";
+
+const fetchApi = async <T>(
+  apiKey: string,
+  endpoint: string,
+  searchParams = {},
+  fetchOptions: RequestInit = {}
+) => {
+  const url = new URL(`${BASE_URL}${endpoint}`);
+  url.search = new URLSearchParams(searchParams).toString();
+
+  const response = await fetch(url, {
+    ...fetchOptions,
+    headers: {
+      ...(fetchOptions?.headers || {}),
+      Authorization: `Loco ${apiKey}`,
+    },
+  });
   if (!response.ok) {
     throw new Error(`HTTPError: ${response.status} ${response.statusText}`);
   }
@@ -17,11 +33,11 @@ const fetchApi = async <T>(path: string, opts = {}) => {
 
 export const apiPull = async (key: string, options: PullOptions = {}) => {
   const translations = await fetchApi<Translations>(
-    `/export/all.json?${new URLSearchParams({ key, ...options }).toString()}`
-  );
-  const locales = await fetchApi<ProjectLocale[]>(
-    `/locales?${new URLSearchParams({ key }).toString()}`
+    key,
+    "/export/all.json",
+    options
   );
+  const locales = await fetchApi<ProjectLocale[]>(key, "/locales");
   if (locales?.length === 1) {
     return { [locales[0].code]: translations };
   }
@@ -35,18 +51,18 @@ export const apiPush = (
   options: PushOptions = {}
 ) =>
   fetchApi<void>(
-    `/import/json?
-  ${new URLSearchParams({
     key,
-    locale,
-    ...Object.keys(options).reduce(
-      (acc, key) => ({
-        ...acc,
-        [key]: options[key as keyof PushOptions]?.toString(),
-      }),
-      {}
-    ),
-  }).toString()}`,
+    "/import/json",
+    {
+      locale,
+      ...Object.keys(options).reduce(
+        (acc, key) => ({
+          ...acc,
+          [key]: options[key as keyof PushOptions]?.toString(),
+        }),
+        {}
+      ),
+    },
     {
       method: "POST",
       body: JSON.stringify(translations),