diff --git a/web/pages/api/v0/_types.ts b/web/pages/api/v0/_types.ts
index be1eaecd..6dc4b245 100644
--- a/web/pages/api/v0/_types.ts
+++ b/web/pages/api/v0/_types.ts
@@ -29,7 +29,7 @@ export type LiteMarket = {
 }
 
 export type FullMarket = LiteMarket & {
-  bets: Bet[]
+  bets: Exclude<Bet, 'userId'>[]
   comments: Comment[]
 }
 
diff --git a/web/pages/api/v0/market/[id].ts b/web/pages/api/v0/market/[id].ts
index 7e1674ba..c6dee26a 100644
--- a/web/pages/api/v0/market/[id].ts
+++ b/web/pages/api/v0/market/[id].ts
@@ -1,5 +1,5 @@
 import { NextApiRequest, NextApiResponse } from 'next'
-import { listAllBets } from '../../../../lib/firebase/bets'
+import { Bet, listAllBets } from '../../../../lib/firebase/bets'
 import { listAllComments } from '../../../../lib/firebase/comments'
 import { getContractFromId } from '../../../../lib/firebase/contracts'
 import { FullMarket, ApiError, toLiteMarket } from '../_types'
@@ -11,12 +11,17 @@ export default async function handler(
   const { id } = req.query
   const contractId = id as string
 
-  const [contract, bets, comments] = await Promise.all([
+  const [contract, allBets, comments] = await Promise.all([
     getContractFromId(contractId),
     listAllBets(contractId),
     listAllComments(contractId),
   ])
 
+  const bets = allBets.map(({ userId, ...bet }) => bet) as Exclude<
+    Bet,
+    'userId'
+  >[]
+
   if (!contract) {
     res.status(404).json({ error: 'Contract not found' })
     return
diff --git a/web/pages/api/v0/slug/[slug].ts b/web/pages/api/v0/slug/[slug].ts
index 086cdf38..07c39a91 100644
--- a/web/pages/api/v0/slug/[slug].ts
+++ b/web/pages/api/v0/slug/[slug].ts
@@ -1,5 +1,5 @@
 import { NextApiRequest, NextApiResponse } from 'next'
-import { listAllBets } from '../../../../lib/firebase/bets'
+import { Bet, listAllBets } from '../../../../lib/firebase/bets'
 import { listAllComments } from '../../../../lib/firebase/comments'
 import { getContractFromSlug } from '../../../../lib/firebase/contracts'
 import { FullMarket, ApiError, toLiteMarket } from '../_types'
@@ -17,11 +17,16 @@ export default async function handler(
     return
   }
 
-  const [bets, comments] = await Promise.all([
+  const [allBets, comments] = await Promise.all([
     listAllBets(contract.id),
     listAllComments(contract.id),
   ])
 
+  const bets = allBets.map(({ userId, ...bet }) => bet) as Exclude<
+    Bet,
+    'userId'
+  >[]
+
   // Cache on Vercel edge servers for 2min
   res.setHeader('Cache-Control', 'max-age=0, s-maxage=120')
   return res.status(200).json({