diff --git a/common/access.ts b/common/access.ts
index 4a128108..8b630f39 100644
--- a/common/access.ts
+++ b/common/access.ts
@@ -11,3 +11,46 @@ export function isAdmin(email: string) {
   ]
   return ADMINS.includes(email)
 }
+
+const ENV = process.env.NEXT_PUBLIC_FIREBASE_ENV ?? 'PROD'
+
+export const DOMAINS = {
+  PROD: 'manifold.markets',
+  DEV: 'manifold.markets',
+  THEOREMONE: 'theoremone.manifold.markets',
+}
+
+export const FIREBASE_CONFIGS = {
+  PROD: {
+    apiKey: 'AIzaSyDp3J57vLeAZCzxLD-vcPaGIkAmBoGOSYw',
+    authDomain: 'mantic-markets.firebaseapp.com',
+    projectId: 'mantic-markets',
+    storageBucket: 'mantic-markets.appspot.com',
+    messagingSenderId: '128925704902',
+    appId: '1:128925704902:web:f61f86944d8ffa2a642dc7',
+    measurementId: 'G-SSFK1Q138D',
+  },
+  DEV: {
+    apiKey: 'AIzaSyBoq3rzUa8Ekyo3ZaTnlycQYPRCA26VpOw',
+    authDomain: 'dev-mantic-markets.firebaseapp.com',
+    projectId: 'dev-mantic-markets',
+    storageBucket: 'dev-mantic-markets.appspot.com',
+    messagingSenderId: '134303100058',
+    appId: '1:134303100058:web:27f9ea8b83347251f80323',
+    measurementId: 'G-YJC9E37P37',
+  },
+  THEOREMONE: {
+    apiKey: 'AIzaSyBSXL6Ys7InNHnCKSy-_E_luhh4Fkj4Z6M',
+    authDomain: 'theoremone-manifold.firebaseapp.com',
+    projectId: 'theoremone-manifold',
+    storageBucket: 'theoremone-manifold.appspot.com',
+    messagingSenderId: '698012149198',
+    appId: '1:698012149198:web:b342af75662831aa84b79f',
+    measurementId: 'G-Y3EZ1WNT6E',
+  },
+}
+
+// @ts-ignore
+export const DOMAIN = DOMAINS[ENV]
+// @ts-ignore
+export const PROJECT_ID = FIREBASE_CONFIGS[ENV].projectId
diff --git a/functions/src/emails.ts b/functions/src/emails.ts
index 0ded7b7d..f8e77221 100644
--- a/functions/src/emails.ts
+++ b/functions/src/emails.ts
@@ -1,4 +1,5 @@
 import _ = require('lodash')
+import { DOMAIN } from '../../common/access'
 import { Answer } from '../../common/answer'
 import { Bet } from '../../common/bet'
 import { getProbability } from '../../common/calculate'
@@ -73,7 +74,7 @@ export const sendMarketResolutionEmail = async (
     outcome,
     investment: `${Math.round(investment)}`,
     payout: `${Math.round(payout)}`,
-    url: `https://manifold.markets/${creator.username}/${contract.slug}`,
+    url: `https://${DOMAIN}/${creator.username}/${contract.slug}`,
   }
 
   // Modify template here:
@@ -107,7 +108,7 @@ Or come chat with us on Discord: https://discord.gg/eHQBNBqXuh
 
 Best,
 Austin from Manifold
-https://manifold.markets/`
+https://${DOMAIN}/`
   )
 }
 
@@ -128,7 +129,7 @@ export const sendMarketCloseEmail = async (
 
   const { question, pool: pools, slug } = contract
   const pool = formatMoney(_.sum(_.values(pools)))
-  const url = `https://manifold.markets/${username}/${slug}`
+  const url = `https://${DOMAIN}/${username}/${slug}`
 
   await sendTemplateEmail(
     privateUser.email,
@@ -162,7 +163,7 @@ export const sendNewCommentEmail = async (
     return
 
   const { question, creatorUsername, slug } = contract
-  const marketUrl = `https://manifold.markets/${creatorUsername}/${slug}`
+  const marketUrl = `https://${DOMAIN}/${creatorUsername}/${slug}`
 
   const unsubscribeUrl = `https://us-central1-${
     isProd ? 'mantic-markets' : 'dev-mantic-markets'
@@ -238,7 +239,7 @@ export const sendNewAnswerEmail = async (
   const { question, creatorUsername, slug } = contract
   const { name, avatarUrl, text } = answer
 
-  const marketUrl = `https://manifold.markets/${creatorUsername}/${slug}`
+  const marketUrl = `https://${DOMAIN}/${creatorUsername}/${slug}`
   const unsubscribeUrl = `https://us-central1-${
     isProd ? 'mantic-markets' : 'dev-mantic-markets'
   }.cloudfunctions.net/unsubscribe?id=${userId}&type=market-answer`
diff --git a/web/lib/firebase/init.ts b/web/lib/firebase/init.ts
index f183d094..26466e8f 100644
--- a/web/lib/firebase/init.ts
+++ b/web/lib/firebase/init.ts
@@ -1,39 +1,12 @@
 import { getFirestore } from '@firebase/firestore'
 import { initializeApp, getApps, getApp } from 'firebase/app'
+import { FIREBASE_CONFIGS } from '../../../common/access'
 
 // Used to decide which Stripe instance to point to
 export const isProd = process.env.NEXT_PUBLIC_FIREBASE_ENV !== 'DEV'
 
-const FIREBASE_CONFIGS = {
-  PROD: {
-    apiKey: 'AIzaSyDp3J57vLeAZCzxLD-vcPaGIkAmBoGOSYw',
-    authDomain: 'mantic-markets.firebaseapp.com',
-    projectId: 'mantic-markets',
-    storageBucket: 'mantic-markets.appspot.com',
-    messagingSenderId: '128925704902',
-    appId: '1:128925704902:web:f61f86944d8ffa2a642dc7',
-    measurementId: 'G-SSFK1Q138D',
-  },
-  DEV: {
-    apiKey: 'AIzaSyBoq3rzUa8Ekyo3ZaTnlycQYPRCA26VpOw',
-    authDomain: 'dev-mantic-markets.firebaseapp.com',
-    projectId: 'dev-mantic-markets',
-    storageBucket: 'dev-mantic-markets.appspot.com',
-    messagingSenderId: '134303100058',
-    appId: '1:134303100058:web:27f9ea8b83347251f80323',
-    measurementId: 'G-YJC9E37P37',
-  },
-  THEOREMONE: {
-    apiKey: 'AIzaSyBSXL6Ys7InNHnCKSy-_E_luhh4Fkj4Z6M',
-    authDomain: 'theoremone-manifold.firebaseapp.com',
-    projectId: 'theoremone-manifold',
-    storageBucket: 'theoremone-manifold.appspot.com',
-    messagingSenderId: '698012149198',
-    appId: '1:698012149198:web:b342af75662831aa84b79f',
-    measurementId: 'G-Y3EZ1WNT6E',
-  },
-}
 const ENV = process.env.NEXT_PUBLIC_FIREBASE_ENV ?? 'PROD'
+// TODO: Move this to access.ts
 export const IS_PRIVATE_MANIFOLD = !['PROD', 'DEV'].includes(ENV)
 // @ts-ignore
 const firebaseConfig = FIREBASE_CONFIGS[ENV]
diff --git a/web/lib/service/stripe.ts b/web/lib/service/stripe.ts
index 3d69c284..84c07d07 100644
--- a/web/lib/service/stripe.ts
+++ b/web/lib/service/stripe.ts
@@ -1,13 +1,11 @@
-import { isProd } from '../firebase/init'
+import { PROJECT_ID } from '../../../common/access'
 
 export const checkoutURL = (
   userId: string,
   manticDollarQuantity: number,
   referer = ''
 ) => {
-  const endpoint = isProd
-    ? 'https://us-central1-mantic-markets.cloudfunctions.net/createCheckoutSession'
-    : 'https://us-central1-dev-mantic-markets.cloudfunctions.net/createCheckoutSession'
+  const endpoint = `https://us-central1-${PROJECT_ID}.cloudfunctions.net/createCheckoutSession`
 
   return `${endpoint}?userId=${userId}&manticDollarQuantity=${manticDollarQuantity}&referer=${encodeURIComponent(
     referer