diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..cc166ba
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,2 @@
+# Path to yt-dlp.
+VIDEO_DOWNLOADER_EXECUTABLE_PATH=
diff --git a/src/controllers/ClipController.ts b/src/controllers/ClipController.ts
index 9a3e0a0..1a8f280 100644
--- a/src/controllers/ClipController.ts
+++ b/src/controllers/ClipController.ts
@@ -7,15 +7,9 @@ import {
 import { constants } from 'http2';
 import { RouteHandlerMethod } from 'fastify';
 
-export type ClipArgs = {
-  url?: unknown,
-  start?: string | number,
-  end?: string | number,
-}
-
 const DURATION_STRING_REGEXP = /^\d\d:[0-5]\d:[0-5]\d(\.\d+)?$/;
 
-const validateRequestBody = (body: ClipArgs) => {
+const validateRequestBody = (body: ClipVideoParams) => {
   const messages = [] as string[];
   const { url, start, end } = body;
   if (typeof url !== 'string') {
@@ -54,7 +48,10 @@ const getVideoType = (url: string) => {
 };
 
 export const clip: RouteHandlerMethod = async (request, reply) => {
-  const validationMessages = validateRequestBody(request.body as ClipArgs);
+  const body = request.body as ClipVideoParams;
+  const { url, start, end } = body;
+
+  const validationMessages = validateRequestBody(body);
   if (validationMessages.length > 0) {
     reply
       .status(constants.HTTP_STATUS_BAD_REQUEST)
@@ -63,7 +60,7 @@ export const clip: RouteHandlerMethod = async (request, reply) => {
       });
     return;
   }
-  const videoType = getVideoType((request.body as ClipArgs).url as string);
+  const videoType = getVideoType(url);
   if (videoType === null) {
     reply
       .status(constants.HTTP_STATUS_UNPROCESSABLE_ENTITY)
@@ -74,10 +71,9 @@ export const clip: RouteHandlerMethod = async (request, reply) => {
 
   const clipper = createVideoClipper({
     type: videoType as VideoType,
-    downloaderExecutablePath: process.env.YOUTUBE_DOWNLOADER_EXECUTABLE_PATH as string,
+    downloaderExecutablePath: process.env.VIDEO_DOWNLOADER_EXECUTABLE_PATH as string,
   });
 
-  const { url, start, end } = request.body as ClipVideoParams;
   const clipResult = await clipper({
     url,
     start,
diff --git a/src/routes.ts b/src/routes.ts
index d3662be..81a3f51 100644
--- a/src/routes.ts
+++ b/src/routes.ts
@@ -3,6 +3,6 @@ import SERVER from './server';
 
 SERVER.route({
   method: 'POST',
-  url: '/clip',
+  url: '/api/clip',
   handler: ClipController.clip,
 });