diff --git a/common/calculate.ts b/common/calculate.ts
index d25fd313..9b2d39be 100644
--- a/common/calculate.ts
+++ b/common/calculate.ts
@@ -24,6 +24,7 @@ import {
   FreeResponseContract,
   PseudoNumericContract,
   MultipleChoiceContract,
+  AnswerContract,
 } from './contract'
 import { floatingEqual } from './util/math'
 
@@ -201,9 +202,7 @@ export function getContractBetNullMetrics() {
   }
 }
 
-export function getTopAnswer(
-  contract: FreeResponseContract | MultipleChoiceContract
-) {
+export function getTopAnswer(contract: AnswerContract) {
   const { answers } = contract
   const top = maxBy(
     answers?.map((answer) => ({
diff --git a/common/contract.ts b/common/contract.ts
index cad5e4b7..3120e16f 100644
--- a/common/contract.ts
+++ b/common/contract.ts
@@ -71,6 +71,10 @@ export type DPMContract = Contract & DPM
 export type CPMMContract = Contract & CPMM
 export type DPMBinaryContract = BinaryContract & DPM
 export type CPMMBinaryContract = BinaryContract & CPMM
+export type AnswerContract =
+  | FreeResponseContract
+  | MultipleChoiceContract
+  | BountyContract
 
 export type DPM = {
   mechanism: 'dpm-2'
diff --git a/common/new-bet.ts b/common/new-bet.ts
index 576f35f8..c1cc386f 100644
--- a/common/new-bet.ts
+++ b/common/new-bet.ts
@@ -15,6 +15,7 @@ import {
   getCpmmProbability,
 } from './calculate-cpmm'
 import {
+  AnswerContract,
   CPMMBinaryContract,
   DPMBinaryContract,
   FreeResponseContract,
@@ -323,7 +324,7 @@ export const getNewBinaryDpmBetInfo = (
 export const getNewMultiBetInfo = (
   outcome: string,
   amount: number,
-  contract: FreeResponseContract | MultipleChoiceContract,
+  contract: AnswerContract,
   loanAmount: number
 ) => {
   const { pool, totalShares, totalBets } = contract
diff --git a/common/payouts-dpm.ts b/common/payouts-dpm.ts
index 7d4a0185..75cb5156 100644
--- a/common/payouts-dpm.ts
+++ b/common/payouts-dpm.ts
@@ -3,6 +3,7 @@ import { sum, groupBy, sumBy, mapValues } from 'lodash'
 import { Bet, NumericBet } from './bet'
 import { deductDpmFees, getDpmProbability } from './calculate-dpm'
 import {
+  AnswerContract,
   DPMContract,
   FreeResponseContract,
   MultipleChoiceContract,
@@ -184,7 +185,7 @@ export const getDpmMktPayouts = (
 
 export const getPayoutsMultiOutcome = (
   resolutions: { [outcome: string]: number },
-  contract: FreeResponseContract | MultipleChoiceContract,
+  contract: AnswerContract,
   bets: Bet[]
 ) => {
   const poolTotal = sum(Object.values(contract.pool))
diff --git a/functions/src/create-answer.ts b/functions/src/create-answer.ts
index 2abaf44d..cb936d9f 100644
--- a/functions/src/create-answer.ts
+++ b/functions/src/create-answer.ts
@@ -36,7 +36,10 @@ export const createanswer = newEndpoint(opts, async (req, auth) => {
     if (!contractSnap.exists) throw new APIError(400, 'Invalid contract')
     const contract = contractSnap.data() as Contract
 
-    if (contract.outcomeType !== 'FREE_RESPONSE')
+    if (
+      contract.outcomeType !== 'FREE_RESPONSE' &&
+      contract.outcomeType !== 'BOUNTY'
+    )
       throw new APIError(400, 'Requires a free response contract')
 
     const { closeTime, volume } = contract
diff --git a/functions/src/resolve-market.ts b/functions/src/resolve-market.ts
index 7277f40b..b7faec78 100644
--- a/functions/src/resolve-market.ts
+++ b/functions/src/resolve-market.ts
@@ -3,6 +3,7 @@ import { z } from 'zod'
 import { difference, uniq, mapValues, groupBy, sumBy } from 'lodash'
 
 import {
+  AnswerContract,
   Contract,
   FreeResponseContract,
   MultipleChoiceContract,
@@ -295,10 +296,7 @@ function getResolutionParams(contract: Contract, body: string) {
   throw new APIError(500, `Invalid outcome type: ${outcomeType}`)
 }
 
-function validateAnswer(
-  contract: FreeResponseContract | MultipleChoiceContract,
-  answer: number
-) {
+function validateAnswer(contract: AnswerContract, answer: number) {
   const validIds = contract.answers.map((a) => a.id)
   if (!validIds.includes(answer.toString())) {
     throw new APIError(400, `${answer} is not a valid answer ID`)
diff --git a/web/components/answers/answer-bet-panel.tsx b/web/components/answers/answer-bet-panel.tsx
index 238c7783..74595d0d 100644
--- a/web/components/answers/answer-bet-panel.tsx
+++ b/web/components/answers/answer-bet-panel.tsx
@@ -3,7 +3,7 @@ import { useEffect, useRef, useState } from 'react'
 import { XIcon } from '@heroicons/react/solid'
 
 import { Answer } from 'common/answer'
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import { AnswerContract } from 'common/contract'
 import { BuyAmountInput } from '../amount-input'
 import { Col } from '../layout/col'
 import { APIError, placeBet } from 'web/lib/firebase/api'
@@ -30,7 +30,7 @@ import { AlertBox } from '../alert-box'
 
 export function AnswerBetPanel(props: {
   answer: Answer
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   closePanel: () => void
   className?: string
   isModal?: boolean
diff --git a/web/components/answers/answer-item.tsx b/web/components/answers/answer-item.tsx
index f1ab2f88..2049630f 100644
--- a/web/components/answers/answer-item.tsx
+++ b/web/components/answers/answer-item.tsx
@@ -1,7 +1,7 @@
 import clsx from 'clsx'
 
 import { Answer } from 'common/answer'
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import { AnswerContract } from 'common/contract'
 import { Col } from '../layout/col'
 import { Row } from '../layout/row'
 import { Avatar } from '../avatar'
@@ -13,7 +13,7 @@ import { Linkify } from '../linkify'
 
 export function AnswerItem(props: {
   answer: Answer
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   showChoice: 'radio' | 'checkbox' | undefined
   chosenProb: number | undefined
   totalChosenProb?: number
diff --git a/web/components/answers/answer-resolve-panel.tsx b/web/components/answers/answer-resolve-panel.tsx
index 0a4ac1e1..8d39b0b0 100644
--- a/web/components/answers/answer-resolve-panel.tsx
+++ b/web/components/answers/answer-resolve-panel.tsx
@@ -2,7 +2,7 @@ import clsx from 'clsx'
 import { sum } from 'lodash'
 import { useState } from 'react'
 
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import { AnswerContract } from 'common/contract'
 import { Col } from '../layout/col'
 import { APIError, resolveMarket } from 'web/lib/firebase/api'
 import { Row } from '../layout/row'
@@ -11,7 +11,7 @@ import { ResolveConfirmationButton } from '../confirmation-button'
 import { removeUndefinedProps } from 'common/util/object'
 
 export function AnswerResolvePanel(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   resolveOption: 'CHOOSE' | 'CHOOSE_MULTIPLE' | 'CANCEL' | undefined
   setResolveOption: (
     option: 'CHOOSE' | 'CHOOSE_MULTIPLE' | 'CANCEL' | undefined
diff --git a/web/components/answers/answers-graph.tsx b/web/components/answers/answers-graph.tsx
index 27152db9..d85a85bc 100644
--- a/web/components/answers/answers-graph.tsx
+++ b/web/components/answers/answers-graph.tsx
@@ -5,14 +5,18 @@ import { groupBy, sortBy, sumBy } from 'lodash'
 import { memo } from 'react'
 
 import { Bet } from 'common/bet'
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import {
+  AnswerContract,
+  FreeResponseContract,
+  MultipleChoiceContract,
+} from 'common/contract'
 import { getOutcomeProbability } from 'common/calculate'
 import { useWindowSize } from 'web/hooks/use-window-size'
 
 const NUM_LINES = 6
 
 export const AnswersGraph = memo(function AnswersGraph(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   bets: Bet[]
   height?: number
 }) {
@@ -178,10 +182,7 @@ function formatTime(
   return d.format(format)
 }
 
-const computeProbsByOutcome = (
-  bets: Bet[],
-  contract: FreeResponseContract | MultipleChoiceContract
-) => {
+const computeProbsByOutcome = (bets: Bet[], contract: AnswerContract) => {
   const { totalBets, outcomeType } = contract
 
   const betsByOutcome = groupBy(bets, (bet) => bet.outcome)
diff --git a/web/components/answers/answers-panel.tsx b/web/components/answers/answers-panel.tsx
index 6e0bfef6..4b76d96b 100644
--- a/web/components/answers/answers-panel.tsx
+++ b/web/components/answers/answers-panel.tsx
@@ -1,7 +1,12 @@
 import { sortBy, partition, sum, uniq } from 'lodash'
 import { useEffect, useState } from 'react'
 
-import { FreeResponseContract, MultipleChoiceContract } from 'common/contract'
+import {
+  AnswerContract,
+  BountyContract,
+  FreeResponseContract,
+  MultipleChoiceContract,
+} from 'common/contract'
 import { Col } from '../layout/col'
 import { useUser } from 'web/hooks/use-user'
 import { getDpmOutcomeProbability } from 'common/calculate-dpm'
@@ -25,9 +30,7 @@ import { UserLink } from 'web/components/user-page'
 import { Linkify } from 'web/components/linkify'
 import { BuyButton } from 'web/components/yes-no-selector'
 
-export function AnswersPanel(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
-}) {
+export function AnswersPanel(props: { contract: AnswerContract }) {
   const { contract } = props
   const { creatorId, resolution, resolutions, totalBets, outcomeType } =
     contract
@@ -136,7 +139,7 @@ export function AnswersPanel(props: {
         <div className="pb-4 text-gray-500">No answers yet...</div>
       )}
 
-      {outcomeType === 'FREE_RESPONSE' &&
+      {(outcomeType === 'FREE_RESPONSE' || outcomeType === 'BOUNTY') &&
         tradingAllowed(contract) &&
         (!resolveOption || resolveOption === 'CANCEL') && (
           <CreateAnswerPanel contract={contract} />
@@ -158,7 +161,7 @@ export function AnswersPanel(props: {
 }
 
 function getAnswerItems(
-  contract: FreeResponseContract | MultipleChoiceContract,
+  contract: AnswerContract,
   answers: Answer[],
   user: User | undefined | null
 ) {
@@ -184,7 +187,7 @@ function getAnswerItems(
 }
 
 function OpenAnswer(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   answer: Answer
   items: ActivityItem[]
   type: string
diff --git a/web/components/answers/create-answer-panel.tsx b/web/components/answers/create-answer-panel.tsx
index ce266778..715a9824 100644
--- a/web/components/answers/create-answer-panel.tsx
+++ b/web/components/answers/create-answer-panel.tsx
@@ -3,7 +3,7 @@ import { useState } from 'react'
 import Textarea from 'react-expanding-textarea'
 import { findBestMatch } from 'string-similarity'
 
-import { FreeResponseContract } from 'common/contract'
+import { BountyContract, FreeResponseContract } from 'common/contract'
 import { BuyAmountInput } from '../amount-input'
 import { Col } from '../layout/col'
 import { APIError, createAnswer } from 'web/lib/firebase/api'
@@ -26,7 +26,9 @@ import { MAX_ANSWER_LENGTH } from 'common/answer'
 import { withTracking } from 'web/lib/service/analytics'
 import { lowerCase } from 'lodash'
 
-export function CreateAnswerPanel(props: { contract: FreeResponseContract }) {
+export function CreateAnswerPanel(props: {
+  contract: FreeResponseContract | BountyContract
+}) {
   const { contract } = props
   const user = useUser()
   const [text, setText] = useState('')
diff --git a/web/components/contract/contract-card.tsx b/web/components/contract/contract-card.tsx
index 562a2bdc..52f4e40b 100644
--- a/web/components/contract/contract-card.tsx
+++ b/web/components/contract/contract-card.tsx
@@ -9,6 +9,7 @@ import {
 import { contractPath, getBinaryProbPercent } from 'web/lib/firebase/contracts'
 import { Col } from '../layout/col'
 import {
+  AnswerContract,
   BinaryContract,
   BountyContract,
   Contract,
@@ -232,7 +233,7 @@ export function BountyValue(props: {
 }
 
 function FreeResponseTopAnswer(props: {
-  contract: FreeResponseContract | MultipleChoiceContract
+  contract: AnswerContract
   truncate: 'short' | 'long' | 'none'
   className?: string
 }) {
diff --git a/web/components/contract/contract-tabs.tsx b/web/components/contract/contract-tabs.tsx
index eb455df0..ecadb4ee 100644
--- a/web/components/contract/contract-tabs.tsx
+++ b/web/components/contract/contract-tabs.tsx
@@ -56,7 +56,8 @@ export function ContractTabs(props: {
         tips={tips}
         user={user}
         mode={
-          contract.outcomeType === 'FREE_RESPONSE'
+          contract.outcomeType === 'FREE_RESPONSE' ||
+          contract.outcomeType === 'BOUNTY'
             ? 'free-response-comment-answer-groups'
             : 'comments'
         }
diff --git a/web/components/outcome-label.tsx b/web/components/outcome-label.tsx
index b49ccdf9..414ca4fd 100644
--- a/web/components/outcome-label.tsx
+++ b/web/components/outcome-label.tsx
@@ -3,6 +3,7 @@ import { Answer } from 'common/answer'
 import { getProbability } from 'common/calculate'
 import { getValueFromBucket } from 'common/calculate-dpm'
 import {
+  AnswerContract,
   BinaryContract,
   BountyContract,
   Contract,
@@ -78,7 +79,7 @@ export function BinaryContractOutcomeLabel(props: {
 }
 
 export function FreeResponseOutcomeLabel(props: {
-  contract: FreeResponseContract | MultipleChoiceContract | BountyContract
+  contract: AnswerContract
   resolution: string | 'CANCEL' | 'MKT'
   truncate: 'short' | 'long' | 'none'
   answerClassName?: string