diff --git a/services/revolt/revolt.service.js b/services/revolt/revolt.service.js
new file mode 100644
index 0000000000000..e43763e5b722f
--- /dev/null
+++ b/services/revolt/revolt.service.js
@@ -0,0 +1,79 @@
+import Joi from 'joi'
+import { BaseJsonService, pathParam, queryParam } from '../index.js'
+import { nonNegativeInteger, optionalUrl } from '../validators.js'
+
+const schema = Joi.object({
+  member_count: nonNegativeInteger,
+}).required()
+
+const description = `
+The Revolt badge requires an <code>INVITE CODE</code> to access the Revolt API,
+which can be located at the end of the invitation url.
+
+For example, both
+<code>https://app.revolt.chat/invite/01F7ZSBSFHQ8TA81725KQCSDDP</code> and
+<code>https://rvlt.gg/01F7ZSBSFHQ8TA81725KQCSDDP</code> contains an invite code
+of <code>01F7ZSBSFHQ8TA81725KQCSDDP</code>.
+`
+
+const queryParamSchema = Joi.object({
+  revolt_api_url: optionalUrl,
+}).required()
+
+export default class RevoltServerInvite extends BaseJsonService {
+  static category = 'chat'
+
+  static route = {
+    base: 'revolt/invite',
+    pattern: ':inviteId',
+    queryParamSchema,
+  }
+
+  static openApi = {
+    '/revolt/invite/{inviteId}': {
+      get: {
+        summary: 'Revolt',
+        description,
+        parameters: [
+          pathParam({
+            name: 'inviteId',
+            example: '01F7ZSBSFHQ8TA81725KQCSDDP',
+          }),
+          queryParam({
+            name: 'revolt_api_url',
+            example: 'https://api.revolt.chat',
+          }),
+        ],
+      },
+    },
+  }
+
+  static defaultBadgeData = { label: 'chat' }
+
+  static render({ memberCount }) {
+    return {
+      message: `${memberCount} members`,
+      color: 'brightgreen',
+    }
+  }
+
+  async fetch({ inviteId, baseUrl }) {
+    return this._requestJson({
+      schema,
+      url: `${baseUrl}/invites/${inviteId}`,
+    })
+  }
+
+  async handle(
+    { inviteId },
+    { revolt_api_url: baseUrl = 'https://api.revolt.chat' },
+  ) {
+    const { member_count: memberCount } = await this.fetch({
+      inviteId,
+      baseUrl,
+    })
+    return this.constructor.render({
+      memberCount,
+    })
+  }
+}
diff --git a/services/revolt/revolt.tester.js b/services/revolt/revolt.tester.js
new file mode 100644
index 0000000000000..aa7a046e957c2
--- /dev/null
+++ b/services/revolt/revolt.tester.js
@@ -0,0 +1,26 @@
+import Joi from 'joi'
+import { createServiceTester } from '../tester.js'
+
+export const t = await createServiceTester()
+
+t.create('get status of #revolt')
+  .get('/01F7ZSBSFHQ8TA81725KQCSDDP.json')
+  .expectBadge({
+    label: 'chat',
+    message: Joi.string().regex(/^[0-9]+ members$/),
+    color: 'brightgreen',
+  })
+
+t.create('custom api url')
+  .get(
+    '/01F7ZSBSFHQ8TA81725KQCSDDP.json?revolt_api_url=https://api.revolt.chat',
+  )
+  .expectBadge({
+    label: 'chat',
+    message: Joi.string().regex(/^[0-9]+ members$/),
+    color: 'brightgreen',
+  })
+
+t.create('invalid invite code')
+  .get('/12345.json')
+  .expectBadge({ label: 'chat', message: 'not found' })