diff --git a/deno.json b/deno.json
index 724d74ec..4b5982e9 100644
--- a/deno.json
+++ b/deno.json
@@ -62,7 +62,8 @@
     "type-fest": "npm:type-fest@^4.3.0",
     "unfurl.js": "npm:unfurl.js@^6.4.0",
     "zod": "npm:zod@^3.23.8",
-    "~/fixtures/": "./fixtures/"
+    "~/fixtures/": "./fixtures/",
+    "light-bolt11-decoder": "npm:light-bolt11-decoder"
   },
   "lint": {
     "include": ["src/", "scripts/"],
diff --git a/deno.lock b/deno.lock
index 9c44395b..03682e37 100644
--- a/deno.lock
+++ b/deno.lock
@@ -37,7 +37,6 @@
       "npm:@scure/base@^1.1.6": "npm:@scure/base@1.1.6",
       "npm:@scure/bip32@^1.4.0": "npm:@scure/bip32@1.4.0",
       "npm:@scure/bip39@^1.3.0": "npm:@scure/bip39@1.3.0",
-      "npm:@types/node": "npm:@types/node@18.16.19",
       "npm:comlink@^4.4.1": "npm:comlink@4.4.1",
       "npm:entities@^4.5.0": "npm:entities@4.5.0",
       "npm:fast-stable-stringify@^1.0.0": "npm:fast-stable-stringify@1.0.0",
@@ -47,6 +46,7 @@
       "npm:kysely@0.27.3": "npm:kysely@0.27.3",
       "npm:kysely@^0.27.2": "npm:kysely@0.27.3",
       "npm:kysely@^0.27.3": "npm:kysely@0.27.3",
+      "npm:light-bolt11-decoder": "npm:light-bolt11-decoder@3.1.1",
       "npm:linkify-plugin-hashtag@^4.1.1": "npm:linkify-plugin-hashtag@4.1.3_linkifyjs@4.1.3",
       "npm:linkify-string@^4.1.1": "npm:linkify-string@4.1.3_linkifyjs@4.1.3",
       "npm:linkifyjs@^4.1.1": "npm:linkifyjs@4.1.3",
@@ -313,10 +313,6 @@
           "@types/trusted-types": "@types/trusted-types@2.0.7"
         }
       },
-      "@types/node@18.16.19": {
-        "integrity": "sha512-IXl7o+R9iti9eBW4Wg2hx1xQDig183jj7YLn8F7udNceyfkbn1ZxmzZXuak20gR40D7pIkIY1kYGx5VIGbaHKA==",
-        "dependencies": {}
-      },
       "@types/trusted-types@2.0.7": {
         "integrity": "sha512-ScaPdn1dQczgbl0QFTeTOmVHFULt394XJgOQNoyVhZ6r2vLnMLJfBPd53SB52T/3G36VI1/g2MZaX0cwDuXsfw==",
         "dependencies": {}
@@ -636,6 +632,12 @@
         "integrity": "sha512-lG03Ru+XyOJFsjH3OMY6R/9U38IjDPfnOfDgO3ynhbDr+Dz8fak+X6L62vqu3iybQnj+lG84OttBuU9KY3L9kA==",
         "dependencies": {}
       },
+      "light-bolt11-decoder@3.1.1": {
+        "integrity": "sha512-sLg/KCwYkgsHWkefWd6KqpCHrLFWWaXTOX3cf6yD2hAzL0SLpX+lFcaFK2spkjbgzG6hhijKfORDc9WoUHwX0A==",
+        "dependencies": {
+          "@scure/base": "@scure/base@1.1.1"
+        }
+      },
       "lilconfig@3.0.0": {
         "integrity": "sha512-K2U4W2Ff5ibV7j7ydLr+zLAkIg5JJ4lPn1Ltsdt+Tz/IjQ8buJ55pZAxoP34lqIiwtF9iAvtLv3JGv7CAyAg+g==",
         "dependencies": {}
@@ -1382,6 +1384,7 @@
       "npm:iso-639-1@2.1.15",
       "npm:isomorphic-dompurify@^2.11.0",
       "npm:kysely@^0.27.3",
+      "npm:light-bolt11-decoder",
       "npm:linkify-plugin-hashtag@^4.1.1",
       "npm:linkify-string@^4.1.1",
       "npm:linkifyjs@^4.1.1",
diff --git a/src/controllers/api/statuses.ts b/src/controllers/api/statuses.ts
index 7b9e82cd..28e0778a 100644
--- a/src/controllers/api/statuses.ts
+++ b/src/controllers/api/statuses.ts
@@ -8,8 +8,9 @@ import { z } from 'zod';
 import { type AppController } from '@/app.ts';
 import { Conf } from '@/config.ts';
 import { DittoDB } from '@/db/DittoDB.ts';
-import { getUnattachedMediaByIds } from '@/db/unattached-media.ts';
+import { getAmount } from '@/utils/bolt11.ts';
 import { getAncestors, getAuthor, getDescendants, getEvent } from '@/queries.ts';
+import { getUnattachedMediaByIds } from '@/db/unattached-media.ts';
 import { renderEventAccounts } from '@/views.ts';
 import { renderReblog, renderStatus } from '@/views/mastodon/statuses.ts';
 import { Storages } from '@/storages.ts';
@@ -547,15 +548,22 @@ const zappedByController: AppController = async (c) => {
   const store = await Storages.db();
   const amountSchema = z.coerce.number().int().nonnegative().catch(0);
 
-  const events: DittoEvent[] = (await store.query([{ kinds: [9735], '#e': [id], limit: 100 }])).map((event) => {
-    const zapRequest = event.tags.find(([name]) => name === 'description')?.[1];
-    if (!zapRequest) return;
+  const events = (await store.query([{ kinds: [9735], '#e': [id], limit: 100 }])).map((event) => {
+    const zapRequestString = event.tags.find(([name]) => name === 'description')?.[1];
+    if (!zapRequestString) return;
     try {
-      return JSON.parse(zapRequest);
+      const zapRequest = n.json().pipe(n.event()).parse(zapRequestString);
+      const amount = zapRequest?.tags.find(([name]: any) => name === 'amount')?.[1];
+      if (!amount) {
+        const amount = getAmount(event?.tags.find(([name]) => name === 'bolt11')?.[1]);
+        if (!amount) return;
+        zapRequest.tags.push(['amount', amount]);
+      }
+      return zapRequest;
     } catch {
       return;
     }
-  }).filter(Boolean);
+  }).filter(Boolean) as DittoEvent[];
 
   await hydrateEvents({ events, store });
 
diff --git a/src/utils/bolt11.test.ts b/src/utils/bolt11.test.ts
new file mode 100644
index 00000000..9a9d1238
--- /dev/null
+++ b/src/utils/bolt11.test.ts
@@ -0,0 +1,19 @@
+import { assertEquals } from '@std/assert';
+import { getAmount } from '@/utils/bolt11.ts';
+
+Deno.test('Invoice is invalid', () => {
+  assertEquals(getAmount('hello'), undefined);
+});
+
+Deno.test('Invoice is undefined', () => {
+  assertEquals(getAmount(undefined), undefined);
+});
+
+Deno.test('Amount is 200000', () => {
+  assertEquals(
+    getAmount(
+      'lnbc2u1pn8qatypp5dweqaltlry2vgpxxyc0puxnc50335yznevj2g46wrhfm2694lhgqhp576ekte7lhhtsxdk6tfvkpyp8gdk2xccmuccdxwjd0fqdh34wfseqcqzzsxqyz5vqsp5n44zva7xndawg5l2r9d85v0tszwejtfzkc7v90d6c7d3nsdt0qds9qxpqysgqx2v2artsxmnfkpapdm9f5pahjs8etlpe7kcjue2kffhjg3jrtearstjvenr6lxzhpw3es4hpchzzeet7ul88elurfmvr9v94v0655rgpy7m7r5',
+    ),
+    '200000',
+  );
+});
diff --git a/src/utils/bolt11.ts b/src/utils/bolt11.ts
new file mode 100644
index 00000000..eef60684
--- /dev/null
+++ b/src/utils/bolt11.ts
@@ -0,0 +1,17 @@
+import bolt11 from 'light-bolt11-decoder';
+
+/** Decodes the invoice and returns the amount in millisatoshis */
+function getAmount(invoice: string | undefined): string | undefined {
+  if (!invoice) return;
+
+  try {
+    const amount = (bolt11.decode(invoice).sections as { name: string; value: string }[]).find(
+      ({ name }) => name === 'amount',
+    )?.value;
+    return amount;
+  } catch {
+    return;
+  }
+}
+
+export { getAmount };