diff --git a/src/App.vue b/src/App.vue
index add6b28f..5fb763ea 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -158,7 +158,6 @@
 						</a>
 
 						<aside class="menu namespaces-lists">
-							<div :class="{ 'is-loading': namespaceService.loading}" class="spinner"></div>
 							<template v-for="n in namespaces">
 								<div :key="n.id">
 									<router-link
@@ -320,7 +319,6 @@
 import router from './router'
 import {mapState} from 'vuex'
 
-import NamespaceService from './services/namespace'
 import authTypes from './models/authTypes'
 import Rights from './models/rights.json'
 
@@ -337,7 +335,6 @@ export default {
 	},
 	data() {
 		return {
-			namespaceService: NamespaceService,
 			menuActive: true,
 			currentDate: new Date(),
 			userMenuActive: false,
diff --git a/src/components/misc/api-config.vue b/src/components/misc/api-config.vue
new file mode 100644
index 00000000..b1519447
--- /dev/null
+++ b/src/components/misc/api-config.vue
@@ -0,0 +1,170 @@
+<template>
+	<div class="api-config">
+		<div v-if="configureApi">
+			<label class="label" for="api-url">Vikunja URL</label>
+			<div class="field has-addons">
+				<div class="control is-expanded">
+					<input
+						class="input" id="api-url"
+						placeholder="eg. https://localhost:3456"
+						required
+						type="url"
+						v-focus
+						v-model="apiUrl"
+						@keyup.enter="setApiUrl"
+					/>
+				</div>
+				<div class="control">
+					<a class="button is-primary" @click="setApiUrl" :disabled="apiUrl === ''">
+						Change
+					</a>
+				</div>
+			</div>
+		</div>
+		<div class="api-url-info" v-else>
+			Sign in to your Vikunja account on <span v-tooltip="apiUrl">{{ apiDomain() }}</span><br/>
+			<a @click="() => configureApi = true">change</a>
+		</div>
+
+		<div class="notification is-success mt-2" v-if="successMsg !== '' && errorMsg === ''">
+			{{ successMsg }}
+		</div>
+		<div class="notification is-danger mt-2" v-if="errorMsg !== '' && successMsg === ''">
+			{{ errorMsg }}
+		</div>
+	</div>
+</template>
+
+<script>
+export default {
+	name: 'apiConfig',
+	data() {
+		return {
+			configureApi: false,
+			apiUrl: '',
+			errorMsg: '',
+			successMsg: '',
+		}
+	},
+	created() {
+		this.apiUrl = window.API_URL
+		if (this.apiUrl === '') {
+			this.configureApi = true
+		}
+	},
+	methods: {
+		apiDomain() {
+			if (window.API_URL.startsWith('/api/v1')) {
+				return window.location.host
+			}
+			const urlParts = window.API_URL.replace('http://', '').replace('https://', '').split(/[/?#]/)
+			return urlParts[0]
+		},
+		setApiUrl() {
+			if (this.apiUrl === '') {
+				return
+			}
+
+			let urlToCheck = this.apiUrl
+
+			// Check if the url has an http prefix
+			if (!urlToCheck.startsWith('http://') && !urlToCheck.startsWith('https://')) {
+				urlToCheck = `http://${urlToCheck}`
+			}
+
+			urlToCheck = new URL(urlToCheck)
+			const origUrlToCheck = urlToCheck
+
+			const oldUrl = window.API_URL
+			window.API_URL = urlToCheck.toString()
+
+			// Check if the api is reachable at the provided url
+			this.$store.dispatch('config/update')
+				.catch(e => {
+					// Check if it is reachable at /api/v1 and http
+					if (!urlToCheck.pathname.endsWith('/api/v1') && !urlToCheck.pathname.endsWith('/api/v1/')) {
+						urlToCheck.pathname = `${urlToCheck.pathname}api/v1`
+						window.API_URL = urlToCheck.toString()
+						return this.$store.dispatch('config/update')
+					}
+					return Promise.reject(e)
+				})
+				.catch(e => {
+					// Check if it has a port and if not check if it is reachable at https
+					if (urlToCheck.protocol === 'http:') {
+						urlToCheck.protocol = 'https:'
+						window.API_URL = urlToCheck.toString()
+						return this.$store.dispatch('config/update')
+					}
+					return Promise.reject(e)
+				})
+				.catch(e => {
+					// Check if it is reachable at /api/v1 and https
+					urlToCheck.pathname = origUrlToCheck.pathname
+					if (!urlToCheck.pathname.endsWith('/api/v1') && !urlToCheck.pathname.endsWith('/api/v1/')) {
+						urlToCheck.pathname = `${urlToCheck.pathname}api/v1`
+						window.API_URL = urlToCheck.toString()
+						return this.$store.dispatch('config/update')
+					}
+					return Promise.reject(e)
+				})
+				.catch(e => {
+					// Check if it is reachable at port 3456 and https
+					if (urlToCheck.port !== 3456) {
+						urlToCheck.protocol = 'https:'
+						urlToCheck.port = 3456
+						window.API_URL = urlToCheck.toString()
+						return this.$store.dispatch('config/update')
+					}
+					return Promise.reject(e)
+				})
+				.catch(e => {
+					// Check if it is reachable at :3456 and /api/v1 and https
+					urlToCheck.pathname = origUrlToCheck.pathname
+					if (!urlToCheck.pathname.endsWith('/api/v1') && !urlToCheck.pathname.endsWith('/api/v1/')) {
+						urlToCheck.pathname = `${urlToCheck.pathname}api/v1`
+						window.API_URL = urlToCheck.toString()
+						return this.$store.dispatch('config/update')
+					}
+					return Promise.reject(e)
+				})
+				.catch(e => {
+					// Check if it is reachable at port 3456 and http
+					if (urlToCheck.port !== 3456) {
+						urlToCheck.protocol = 'http:'
+						urlToCheck.port = 3456
+						window.API_URL = urlToCheck.toString()
+						return this.$store.dispatch('config/update')
+					}
+					return Promise.reject(e)
+				})
+				.catch(e => {
+					// Check if it is reachable at :3456 and /api/v1 and http
+					urlToCheck.pathname = origUrlToCheck.pathname
+					if (!urlToCheck.pathname.endsWith('/api/v1') && !urlToCheck.pathname.endsWith('/api/v1/')) {
+						urlToCheck.pathname = `${urlToCheck.pathname}api/v1`
+						window.API_URL = urlToCheck.toString()
+						return this.$store.dispatch('config/update')
+					}
+					return Promise.reject(e)
+				})
+				.catch(() => {
+					// Still not found, url is still invalid
+					this.successMsg = ''
+					this.errorMsg = `Could not find or use Vikunja installation at "${this.apiDomain()}".`
+					window.API_URL = oldUrl
+				})
+				.then(r => {
+					if (typeof r !== 'undefined') {
+						// Set it + save it to local storage to save us the hoops
+						this.errorMsg = ''
+						this.successMsg = `Using Vikunja installation at "${this.apiDomain()}".`
+						localStorage.setItem('API_URL', window.API_URL)
+						this.configureApi = false
+						this.apiUrl = window.API_URL
+					}
+				})
+		},
+	},
+}
+</script>
diff --git a/src/http-common/index.js b/src/http-common/index.js
index f833ebf6..66835fc5 100644
--- a/src/http-common/index.js
+++ b/src/http-common/index.js
@@ -1,5 +1,7 @@
 import axios from 'axios'
 
-export const HTTP = axios.create({
-	baseURL: window.API_URL,
-})
+export const HTTPFactory = () => {
+	return axios.create({
+		baseURL: window.API_URL,
+	})
+}
diff --git a/src/main.js b/src/main.js
index d520b305..e502bcff 100644
--- a/src/main.js
+++ b/src/main.js
@@ -73,6 +73,12 @@ import {store} from './store'
 
 console.info(`Vikunja frontend version ${VERSION}`)
 
+// Check if we have an api url in local storage and use it if that's the case
+const apiUrlFromStorage = localStorage.getItem('API_URL')
+if (apiUrlFromStorage !== null) {
+	window.API_URL = apiUrlFromStorage
+}
+
 // Make sure the api url does not contain a / at the end
 if (window.API_URL.substr(window.API_URL.length - 1, window.API_URL.length) === '/') {
 	window.API_URL = window.API_URL.substr(0, window.API_URL.length - 1)
diff --git a/src/store/modules/auth.js b/src/store/modules/auth.js
index d833b5bb..a33d24ed 100644
--- a/src/store/modules/auth.js
+++ b/src/store/modules/auth.js
@@ -1,4 +1,4 @@
-import {HTTP} from '@/http-common'
+import {HTTPFactory} from '@/http-common'
 import {ERROR_MESSAGE, LOADING} from '../mutation-types'
 import UserModel from '../../models/user'
 
@@ -32,6 +32,7 @@ export default {
 	actions: {
 		// Logs a user in with a set of credentials.
 		login(ctx, credentials) {
+			const HTTP = HTTPFactory()
 			ctx.commit(LOADING, true, {root: true})
 
 			// Delete an eventually preexisting old token
@@ -78,6 +79,7 @@ export default {
 		// Registers a new user and logs them in.
 		// Not sure if this is the right place to put the logic in, maybe a seperate js component would be better suited.
 		register(ctx, credentials) {
+			const HTTP = HTTPFactory()
 			return HTTP.post('register', {
 				username: credentials.username,
 				email: credentials.email,
@@ -98,6 +100,7 @@ export default {
 		},
 
 		linkShareAuth(ctx, hash) {
+			const HTTP = HTTPFactory()
 			return HTTP.post('/shares/' + hash + '/auth')
 				.then(r => {
 					localStorage.setItem('token', r.data.token)
@@ -128,6 +131,7 @@ export default {
 		},
 		// Renews the api token and saves it to local storage
 		renewToken(ctx) {
+			const HTTP = HTTPFactory()
 			if (!ctx.state.authenticated) {
 				return
 			}
diff --git a/src/store/modules/config.js b/src/store/modules/config.js
index ad4234eb..c9b65131 100644
--- a/src/store/modules/config.js
+++ b/src/store/modules/config.js
@@ -1,5 +1,5 @@
 import {CONFIG} from '../mutation-types'
-import {HTTP} from '@/http-common'
+import {HTTPFactory} from '@/http-common'
 
 export default {
 	namespaced: true,
@@ -40,10 +40,14 @@ export default {
 	},
 	actions: {
 		update(ctx) {
-			HTTP.get('info')
+			const HTTP = HTTPFactory()
+
+			return HTTP.get('info')
 				.then(r => {
 					ctx.commit(CONFIG, r.data)
+					return Promise.resolve(r)
 				})
+				.catch(e => Promise.reject(e))
 		},
 	},
 }
\ No newline at end of file
diff --git a/src/styles/components/_all.scss b/src/styles/components/_all.scss
index 20ebc661..43ad9651 100644
--- a/src/styles/components/_all.scss
+++ b/src/styles/components/_all.scss
@@ -21,3 +21,4 @@
 @import 'namespaces';
 @import 'legal';
 @import 'keyboard-shortcuts';
+@import 'api-config';
diff --git a/src/styles/components/api-config.scss b/src/styles/components/api-config.scss
new file mode 100644
index 00000000..02fb1841
--- /dev/null
+++ b/src/styles/components/api-config.scss
@@ -0,0 +1,12 @@
+.api-config {
+  margin-bottom: .75rem;
+}
+
+.api-url-info {
+  font-size: .9rem;
+  text-align: right;
+
+  span {
+    border-bottom: 1px dashed $primary;
+  }
+}
diff --git a/src/styles/theme/form.scss b/src/styles/theme/form.scss
index 6718ed19..bf8be685 100644
--- a/src/styles/theme/form.scss
+++ b/src/styles/theme/form.scss
@@ -76,6 +76,10 @@
   }
 }
 
+.field.has-addons .button {
+  height: 2.5rem;
+}
+
 .input,
 .textarea {
   transition: all $transition;
diff --git a/src/views/user/Login.vue b/src/views/user/Login.vue
index 4a9b52b5..f134e781 100644
--- a/src/views/user/Login.vue
+++ b/src/views/user/Login.vue
@@ -5,6 +5,7 @@
 			<div class="notification is-success has-text-centered" v-if="confirmedEmailSuccess">
 				You successfully confirmed your email! You can log in now.
 			</div>
+			<api-config/>
 			<form @submit.prevent="submit" id="loginform">
 				<div class="field">
 					<label class="label" for="username">Username</label>
@@ -76,13 +77,15 @@
 import {mapState} from 'vuex'
 
 import router from '../../router'
-import {HTTP} from '@/http-common'
+import {HTTPFactory} from '@/http-common'
 import message from '../../message'
 import {ERROR_MESSAGE, LOADING} from '@/store/mutation-types'
 import legal from '../../components/misc/legal'
+import ApiConfig from '@/components/misc/api-config'
 
 export default {
 	components: {
+		ApiConfig,
 		legal,
 	},
 	data() {
@@ -91,6 +94,7 @@ export default {
 		}
 	},
 	beforeMount() {
+		const HTTP = HTTPFactory()
 		// Try to verify the email
 		// FIXME: Why is this here? Can we find a better place for this?
 		let emailVerifyToken = localStorage.getItem('emailConfirmToken')