diff --git a/package.json b/package.json
index 72d7ad0..a3b534e 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fetches",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "description": "Smart and Modern fetch wrapper.",
   "main": "./lib/module.js",
   "scripts": {
diff --git a/src/client.js b/src/client.js
index 5cf3b8b..93b07ca 100644
--- a/src/client.js
+++ b/src/client.js
@@ -43,6 +43,20 @@ export class Client {
   after() {
     return this.options.after
   }
+
+  appendBeforeMiddleware(middleware) {
+    const options = deepmerge(this.options, {
+      before: [middleware],
+    })
+    return new Client(this.getURI(), options)
+  }
+
+  appendAfterMiddleware(middleware) {
+    const options = deepmerge(this.options, {
+      after: [middleware],
+    })
+    return new Client(this.getURI(), options)
+  }
 }
 
 export const createClient = (uri, options) => new Client(uri, options)
diff --git a/src/http.js b/src/http.js
index c1173b7..6466399 100644
--- a/src/http.js
+++ b/src/http.js
@@ -3,13 +3,6 @@ import deepmerge from 'deepmerge'
 import { appendParams } from './utils/append-params'
 import { Client } from './client'
 
-const isClientInstance = client => {
-  if (client instanceof Client) {
-    return true
-  }
-  return false
-}
-
 const getDefaultOptions = client => {
   switch (client.getRequestType()) {
     case 'json':
@@ -79,10 +72,6 @@ const request = (client, method) => {
 }
 
 export const getHTTPMethods = client => {
-  if (!isClientInstance(client)) {
-    throw new Error('Please specify a Client to get the http methods.')
-  }
-
   const clientRequest = request.bind(null, client)
 
   return {
diff --git a/src/middlewares/json-response.js b/src/middlewares/json-response.js
index 2bd4fd7..5d75cb2 100644
--- a/src/middlewares/json-response.js
+++ b/src/middlewares/json-response.js
@@ -2,7 +2,7 @@ const contentTypeIsJSON = header => header && header.includes('application/json'
 
 export default response => {
   if (contentTypeIsJSON(response.headers.get('content-type'))) {
-    return Promise.all([response.json(), response])
+    return response.json()
   }
 
   return Promise.resolve(response)
diff --git a/tests/http.test.js b/tests/http.test.js
index 1b35695..3cd17e1 100644
--- a/tests/http.test.js
+++ b/tests/http.test.js
@@ -12,9 +12,4 @@ describe('HTTP Module', () => {
     const keys = Object.keys(getHTTPMethods(client))
     expect(keys).toEqual(expect.arrayContaining(httpMethods))
   })
-  test('getHTTPMethods needs a client as parameter', () => {
-    expect(() => {
-      getHTTPMethods()
-    }).toThrow()
-  })
 })