diff --git a/routes/_actions/statuses.js b/routes/_actions/statuses.js
index de07418..e7d3188 100644
--- a/routes/_actions/statuses.js
+++ b/routes/_actions/statuses.js
@@ -1,4 +1,8 @@
 import { database } from '../_database/database'
+import { store } from '../_store/store'
+import { toast } from '../_utils/toast'
+import { postStatus as postStatusToServer } from '../_api/statuses'
+import { addStatusOrNotification } from './addStatusOrNotification'
 
 export async function getIdThatThisStatusReblogged (instanceName, statusId) {
   let status = await database.getStatus(instanceName, statusId)
@@ -19,3 +23,27 @@ export async function getIdsThatRebloggedThisStatus (instanceName, statusId) {
 export async function getNotificationIdsForStatuses (instanceName, statusIds) {
   return database.getNotificationIdsForStatuses(instanceName, statusIds)
 }
+
+export async function postStatus(realm, text, inReplyToId, mediaIds,
+                                 sensitive, spoilerText, visibility) {
+  let instanceName = store.get('currentInstance')
+  let accessToken = store.get('accessToken')
+  let online = store.get('online')
+
+  if (!online) {
+    toast.say('You cannot post while offline')
+    return
+  }
+
+  store.set({postingStatus: true})
+  try {
+    let status = await postStatusToServer(instanceName, accessToken, text,
+      inReplyToId, mediaIds, sensitive, spoilerText, visibility)
+    addStatusOrNotification(instanceName, 'home', status)
+    store.clearComposeData(realm)
+  } catch (e) {
+    toast.say('Unable to post status: ' + (e.message || ''))
+  } finally {
+    store.set({postingStatus: false})
+  }
+}
\ No newline at end of file
diff --git a/routes/_api/statuses.js b/routes/_api/statuses.js
new file mode 100644
index 0000000..bea4bb2
--- /dev/null
+++ b/routes/_api/statuses.js
@@ -0,0 +1,25 @@
+import { auth, basename } from './utils'
+import { postWithTimeout } from '../_utils/ajax'
+
+export async function postStatus(instanceName, accessToken, text, inReplyToId, mediaIds,
+                                 sensitive, spoilerText, visibility) {
+  let url = `${basename(instanceName)}/api/v1/statuses`
+
+  let body = {
+    status: text,
+    in_reply_to_id: inReplyToId,
+    media_ids: mediaIds,
+    sensitive: sensitive,
+    spoiler_text: spoilerText,
+    visibility: visibility
+  }
+
+  for (let key of Object.keys(body)) {
+    let value = body[key]
+    if (!value || (Array.isArray(value) && !value.length)) {
+      delete body[key]
+    }
+  }
+
+  return postWithTimeout(url, body, auth(accessToken))
+}
\ No newline at end of file
diff --git a/routes/_components/compose/ComposeBox.html b/routes/_components/compose/ComposeBox.html
index 86647b5..c690af1 100644
--- a/routes/_components/compose/ComposeBox.html
+++ b/routes/_components/compose/ComposeBox.html
@@ -11,7 +11,7 @@
   <ComposeToolbar :realm :postPrivacy :media :contentWarningShown />
   <ComposeLengthIndicator :length :overLimit />
   <ComposeMedia :realm :media />
-  <ComposeButton :length :overLimit />
+  <ComposeButton :length :overLimit on:click="onClickPostButton()" />
 </div>
 <style>
   .compose-box {
@@ -58,6 +58,7 @@
   import { CHAR_LIMIT, POST_PRIVACY_OPTIONS } from '../../_static/statuses'
   import { store } from '../../_store/store'
   import { slide } from 'svelte-transitions'
+  import { postStatus } from '../../_actions/statuses'
 
   export default {
     components: {
@@ -89,6 +90,20 @@
     },
     transitions: {
       slide
+    },
+    methods: {
+      onClickPostButton() {
+        let text = this.get('text')
+        let media = this.get('media')
+        let postPrivacyKey = this.get('postPrivacyKey')
+        let contentWarning = this.get('contentWarning')
+        let sensitive = media.length && !!contentWarning
+        let realm = this.get('realm')
+        let mediaIds = media.map(_ => _.data.id)
+
+        /* no await */ postStatus(realm, text, null, mediaIds,
+          sensitive, contentWarning, postPrivacyKey)
+      }
     }
   }
 </script>
diff --git a/routes/_components/compose/ComposeButton.html b/routes/_components/compose/ComposeButton.html
index 3eefdda..0f92c39 100644
--- a/routes/_components/compose/ComposeButton.html
+++ b/routes/_components/compose/ComposeButton.html
@@ -1,6 +1,15 @@
 <button class="primary compose-box-button"
-        :disabled >
-  Toot!
+        :disabled
+        on:click>
+  <span class="{{$postingStatus ? 'hidden' : ''}}">
+    Toot!
+  </span>
+  <div class="compose-box-button-spinner {{$postingStatus ? 'spin' : 'hidden'}}"
+       aria-hidden="true">
+    <svg>
+      <use xlink:href="#fa-spinner" />
+    </svg>
+  </div>
 </button>
 <style>
   .compose-box-button {
@@ -8,6 +17,24 @@
     justify-self: right;
     text-transform: uppercase;
     margin-top: 10px;
+    position: relative;
+  }
+  .compose-box-button-spinner {
+    pointer-events: none;
+    position: absolute;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    z-index: 10;
+    top: 0;
+    bottom: 0;
+    left: 0;
+    right: 0;
+  }
+  .compose-box-button-spinner svg {
+    width: 24px;
+    height: 24px;
+    fill: var(--button-primary-text);
   }
 </style>
 <script>
@@ -16,7 +43,7 @@
   export default {
     store: () => store,
     computed: {
-      disabled: (overLimit, length) => overLimit || length === 0
+      disabled: ($postingStatus, overLimit, length) => $postingStatus || overLimit || length === 0
     }
   }
 </script>
\ No newline at end of file
diff --git a/routes/_store/mixins/instanceMixins.js b/routes/_store/mixins/instanceMixins.js
index f74eac1..89076ba 100644
--- a/routes/_store/mixins/instanceMixins.js
+++ b/routes/_store/mixins/instanceMixins.js
@@ -14,4 +14,13 @@ export function instanceMixins (Store) {
       composeData[instanceName][realm] &&
       composeData[instanceName][realm][key]
   }
+
+  Store.prototype.clearComposeData = function (realm) {
+    let composeData = this.get('composeData')
+    let instanceName = this.get('currentInstance')
+    if (composeData && composeData[instanceName]) {
+      delete composeData[instanceName][realm]
+    }
+    this.set({composeData})
+  }
 }