diff --git a/pages/authorize-contribution.vue b/pages/authorize-contribution.vue
index 2ca93fa..2f2fb17 100644
--- a/pages/authorize-contribution.vue
+++ b/pages/authorize-contribution.vue
@@ -66,8 +66,7 @@ export default {
     if (!this.token) {
       window.location.replace(window.location.origin)
     } else {
-      // TODO try to load contribution data. May be it's already authorized
-      // also set `contributionIndex`
+      await this.check()
     }
     setTimeout(() => {
       this.$root.$emit('disableLoading')
@@ -103,6 +102,33 @@ export default {
         this.status.msg = 'Something went wrong. Please contact support'
         this.status.type = 'is-danger'
       }
+    },
+    async check() {
+      const body = {
+        token: this.token
+      }
+      try {
+        const response = await fetch('/api/check_contribution', {
+          method: 'POST',
+          headers: {
+            Accept: 'application/json',
+            'Content-Type': 'application/json'
+          },
+          body: JSON.stringify(body)
+        })
+        if (response.ok) {
+          const { id } = await response.json()
+          this.contributionIndex = id
+        } else {
+          const error = await response.text()
+          this.status.msg = error
+          this.status.type = 'is-danger'
+          this.hideSaveBtn = true
+        }
+      } catch (e) {
+        this.status.msg = 'Something went wrong. Please contact support'
+        this.status.type = 'is-danger'
+      }
     }
   }
 }
diff --git a/server/controllers/contribute.js b/server/controllers/contribute.js
index edbab53..ac2f66d 100644
--- a/server/controllers/contribute.js
+++ b/server/controllers/contribute.js
@@ -146,4 +146,23 @@ router.post('/authorize_contribution', async (req, res) => {
   res.send('OK')
 })
 
+router.post('/check_contribution', async (req, res) => {
+  if (!req.body || !req.body.token) {
+    res.status(404).send('Wrong request params')
+  }
+
+  const contribution = await Contribution.findOne({ where: { token: req.body.token } })
+  if (!contribution) {
+    res.status(404).send('There is no such contribution')
+    return
+  }
+
+  if (contribution.dataValues.socialType !== 'anonymous') {
+    res.status(404).send('The contribution is already authorized')
+    return
+  }
+
+  return res.json({ id: contribution.dataValues.id }).send()
+})
+
 module.exports = router