diff --git a/docs/docs/api.md b/docs/docs/api.md
index 007f6fa6..5fc95a4a 100644
--- a/docs/docs/api.md
+++ b/docs/docs/api.md
@@ -55,6 +55,7 @@ Returns the authenticated user.
 Gets all groups, in no particular order.
 
 Parameters:
+
 - `availableToUserId`: Optional. if specified, only groups that the user can
   join and groups they've already joined will be returned.
 
@@ -81,7 +82,6 @@ Gets a group's markets by its unique ID.
 Requires no authorization.  
 Note: group is singular in the URL.
 
-
 ### `GET /v0/markets`
 
 Lists all markets, ordered by creation date descending.
@@ -582,12 +582,17 @@ $ curl https://manifold.markets/api/v0/market -X POST -H 'Content-Type: applicat
                  "initialProb":25}'
 ```
 
+### `POST /v0/market/[marketId]/add-liquidity`
+
+Adds a specified amount of liquidity into the market.
+
+- `amount`: Required. The amount of liquidity to add, in M$.
 
 ### `POST /v0/market/[marketId]/close`
 
 Closes a market on behalf of the authorized user.
-- `closeTime`: Optional. Milliseconds since the epoch to close the market at. If not provided, the market will be closed immediately. Cannot provide close time in past.
 
+- `closeTime`: Optional. Milliseconds since the epoch to close the market at. If not provided, the market will be closed immediately. Cannot provide close time in past.
 
 ### `POST /v0/market/[marketId]/resolve`
 
diff --git a/functions/src/scripts/contest/bulk-add-liquidity.ts b/functions/src/scripts/contest/bulk-add-liquidity.ts
new file mode 100644
index 00000000..99d5f12b
--- /dev/null
+++ b/functions/src/scripts/contest/bulk-add-liquidity.ts
@@ -0,0 +1,52 @@
+// Run with `npx ts-node src/scripts/contest/resolve-markets.ts`
+
+const DOMAIN = 'http://localhost:3000'
+// Dev API key for Cause Exploration Prizes (@CEP)
+// const API_KEY = '188f014c-0ba2-4c35-9e6d-88252e281dbf'
+// DEV API key for Criticism and Red Teaming (@CARTBot)
+const API_KEY = '6ff1f78a-32fe-43b2-b31b-9e3c78c5f18c'
+
+// Warning: Checking these in can be dangerous!
+// Prod API key for @CEPBot
+
+// Can just curl /v0/group/{slug} to get a group
+async function getGroupBySlug(slug: string) {
+  const resp = await fetch(`${DOMAIN}/api/v0/group/${slug}`)
+  return await resp.json()
+}
+
+async function getMarketsByGroupId(id: string) {
+  // API structure: /v0/group/by-id/[id]/markets
+  const resp = await fetch(`${DOMAIN}/api/v0/group/by-id/${id}/markets`)
+  return await resp.json()
+}
+
+async function addLiquidityById(id: string, amount: number) {
+  const resp = await fetch(`${DOMAIN}/api/v0/market/${id}/add-liquidity`, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+      Authorization: `Key ${API_KEY}`,
+    },
+    body: JSON.stringify({
+      amount: amount,
+    }),
+  })
+  return await resp.json()
+}
+
+async function main() {
+  const group = await getGroupBySlug('cart-contest')
+  const markets = await getMarketsByGroupId(group.id)
+
+  // Count up some metrics
+  console.log('Number of markets', markets.length)
+
+  // Resolve each market to NO
+  for (const market of markets.slice(0, 3)) {
+    console.log(market.slug, market.totalLiquidity)
+    const resp = await addLiquidityById(market.id, 200)
+    console.log(resp)
+  }
+}
+main()
diff --git a/web/pages/api/v0/market/[id]/add-liquidity.ts b/web/pages/api/v0/market/[id]/add-liquidity.ts
new file mode 100644
index 00000000..3e1a3ed9
--- /dev/null
+++ b/web/pages/api/v0/market/[id]/add-liquidity.ts
@@ -0,0 +1,28 @@
+import { NextApiRequest, NextApiResponse } from 'next'
+import {
+  CORS_ORIGIN_MANIFOLD,
+  CORS_ORIGIN_LOCALHOST,
+} from 'common/envs/constants'
+import { applyCorsHeaders } from 'web/lib/api/cors'
+import { fetchBackend, forwardResponse } from 'web/lib/api/proxy'
+
+export const config = { api: { bodyParser: true } }
+
+export default async function route(req: NextApiRequest, res: NextApiResponse) {
+  await applyCorsHeaders(req, res, {
+    origin: [CORS_ORIGIN_MANIFOLD, CORS_ORIGIN_LOCALHOST],
+    methods: 'POST',
+  })
+
+  const { id } = req.query
+  const contractId = id as string
+
+  if (req.body) req.body.contractId = contractId
+  try {
+    const backendRes = await fetchBackend(req, 'addliquidity')
+    await forwardResponse(res, backendRes)
+  } catch (err) {
+    console.error('Error talking to cloud function: ', err)
+    res.status(500).json({ message: 'Error communicating with backend.' })
+  }
+}