diff --git a/util/invite-user.js b/util/invite-user.js
index d1f8712..7618ca3 100644
--- a/util/invite-user.js
+++ b/util/invite-user.js
@@ -3,7 +3,7 @@ const { defaultInvite } = require('./invite-types/default')
 const { onboardInvite } = require('./invite-types/onboard')
 const { metrics } = require('./metrics')
 
-async function inviteGuestToSlack({ email, channels, _customMessage }) {
+async function inviteGuestToSlack({ email, ip, channels, _customMessage }) {
   // This is an undocumented API method found in https://github.com/ErikKalkoken/slackApiDoc/pull/70
   // Unlike the documention in that PR, we're driving it not with a legacy token but a browser storage+cookie pair
 
@@ -11,31 +11,45 @@ async function inviteGuestToSlack({ email, channels, _customMessage }) {
   // The SLACK_BROWSER_TOKEN is a xoxc-* token found in browser local storage using this script: https://gist.github.com/maxwofford/5779ea072a5485ae3b324f03bc5738e1
 
   // I haven't yet found out how to add custom messages, so those are ignored for now
-  const cookieValue = `d=${process.env.SLACK_COOKIE}`
+  // const cookieValue = `d=${process.env.SLACK_COOKIE}`
 
-  // Create a new Headers object
-  const headers = new Headers()
+  // // Create a new Headers object
+  // const headers = new Headers()
+
+  // // Add the cookie to the headers
+  // headers.append('Cookie', cookieValue)
+  // headers.append('Content-Type', 'application/json')
+  // headers.append('Authorization', `Bearer ${process.env.SLACK_BROWSER_TOKEN}`)
+  // const data = JSON.stringify({
+  //   token: process.env.SLACK_BROWSER_TOKEN,
+  //   invites: [
+  //     {
+  //       email,
+  //       type: 'restricted',
+  //       mode: 'manual',
+  //     },
+  //   ],
+  //   restricted: true,
+  //   channels: channels.join(','),
+  // })
 
-  // Add the cookie to the headers
-  headers.append('Cookie', cookieValue)
+  // const res = await fetch(`https://slack.com/api/users.admin.inviteBulk`, {
+  //   headers,
+  //   method: 'POST',
+  //   body: data,
+  // })
+  
+  const headers = new Headers()
   headers.append('Content-Type', 'application/json')
-  headers.append('Authorization', `Bearer ${process.env.SLACK_BROWSER_TOKEN}`)
+  headers.append('Authorization', `Bearer ${process.env.CHARON_API_KEY}`)
+  
   const data = JSON.stringify({
-    token: process.env.SLACK_BROWSER_TOKEN,
-    invites: [
-      {
-        email,
-        type: 'restricted',
-        mode: 'manual',
-      },
-    ],
-    restricted: true,
-    channels: channels.join(','),
+    email,
+    ip
   })
-
-  const res = await fetch(`https://slack.com/api/users.admin.inviteBulk`, {
+  const res = await fetch("https://charon.hackclub.com/user/invite", {
     headers,
-    method: 'POST',
+    method: "POST",
     body: data,
   })
   metrics.increment('events.flow.invitetoslack', 1)
@@ -71,7 +85,7 @@ async function inviteUser({
   }
   const { channels, customMessage } = invite
 
-  return await inviteGuestToSlack({ email, channels, customMessage })
+  return await inviteGuestToSlack({ email, ip, channels, customMessage })
 }
 
 module.exports = { inviteUser }
diff --git a/util/upgrade-user.js b/util/upgrade-user.js
index 36e6302..a902d89 100644
--- a/util/upgrade-user.js
+++ b/util/upgrade-user.js
@@ -24,28 +24,41 @@ async function upgradeUser(user) {
   // The SLACK_COOKIE is a xoxd-* token found in browser cookies under the key 'd'
   // The SLACK_BROWSER_TOKEN is a xoxc-* token found in browser local storage using this script: https://gist.github.com/maxwofford/5779ea072a5485ae3b324f03bc5738e1
 
-  const cookieValue = `d=${process.env.SLACK_COOKIE}`
+  // const cookieValue = `d=${process.env.SLACK_COOKIE}`
 
-  // Create a new Headers object
-  const headers = new Headers()
+  // // Create a new Headers object
+  // const headers = new Headers()
 
   // Add the cookie to the headers
-  headers.append('Cookie', cookieValue)
-  headers.append('Content-Type', 'application/json')
-  headers.append('Authorization', `Bearer ${process.env.SLACK_BROWSER_TOKEN}`)
+  // headers.append('Cookie', cookieValue)
+  // headers.append('Content-Type', 'application/json')
+  // headers.append('Authorization', `Bearer ${process.env.SLACK_BROWSER_TOKEN}`)
 
-  const form = JSON.stringify({
-    user,
-    team_id,
+  // const form = JSON.stringify({
+  //   user,
+  //   team_id,
+  // })
+  // return await fetch(
+  //   `https://slack.com/api/users.admin.setRegular?slack_route=${team_id}&user=${user}`,
+  //   {
+  //     headers,
+  //     method: 'POST',
+  //     body: form,
+  //   }
+  // )
+  
+  const headers = new Headers()
+  headers.append('Content-Type', 'application/json')
+  headers.append('Authorization', `Bearer ${process.env.CHARON_API_KEY}`)
+  
+  const data = JSON.stringify({
+    id: user
+  })
+  return await fetch("https://charon.hackclub.com/user/promote", {
+    headers,
+    method: "POST",
+    body: data,
   })
-  return await fetch(
-    `https://slack.com/api/users.admin.setRegular?slack_route=${team_id}&user=${user}`,
-    {
-      headers,
-      method: 'POST',
-      body: form,
-    }
-  )
     .then((r) => {
       r.json()
       metrics.increment('events.flow.user_upgrade', 1)