diff --git a/README.md b/README.md
index 1d539d53..15aba9be 100644
--- a/README.md
+++ b/README.md
@@ -110,6 +110,32 @@ Number of deals grouped by miner IDs.
 }
 ```
 
+### `GET /allocator/:id/deals/eligible/summary`
+
+Parameters:
+- `allocatorId` - an allocator id like `f03015751`
+
+Response:
+
+Number of deals grouped by miner IDs.
+
+```json
+{
+  "allocatorId": "f03015751",
+  "dealCount": 4088,
+  "clients": [
+    {
+      "clientId": "f03144229",
+      "dealCount": 2488
+    },
+    {
+      "clientId": "f03150656",
+      "dealCount": 1600
+    }
+  ]
+}
+```
+
 ## Development
 
 ### Database
diff --git a/api/index.js b/api/index.js
index 35cd578b..ae6750cc 100644
--- a/api/index.js
+++ b/api/index.js
@@ -32,6 +32,8 @@ const handler = async (req, res, client, domain) => {
     await getSummaryOfEligibleDealsForMiner(req, res, client, segs[1])
   } else if (segs[0] === 'client' && segs[1] && segs[2] === 'deals' && segs[3] === 'eligible' && segs[4] === 'summary' && req.method === 'GET') {
     await getSummaryOfEligibleDealsForClient(req, res, client, segs[1])
+  } else if (segs[0] === 'allocator' && segs[1] && segs[2] === 'deals' && segs[3] === 'eligible' && segs[4] === 'summary' && req.method === 'GET') {
+    await getSummaryOfEligibleDealsForAllocator(req, res, client, segs[1])
   } else if (segs[0] === 'inspect-request' && req.method === 'GET') {
     await inspectRequest(req, res)
   } else {
@@ -360,6 +362,33 @@ const getSummaryOfEligibleDealsForClient = async (_req, res, client, clientId) =
   json(res, body)
 }
 
+const getSummaryOfEligibleDealsForAllocator = async (_req, res, client, allocatorId) => {
+  /** @type {{rows: {client_id: string; deal_count: number}[]}} */
+  const { rows } = await client.query(`
+    SELECT ac.client_id, COUNT(cid)::INTEGER as deal_count
+    FROM allocator_clients ac
+    LEFT JOIN retrievable_deals rd ON ac.client_id = rd.client_id
+    WHERE ac.allocator_id = $1 AND expires_at > now()
+    GROUP BY ac.client_id
+    ORDER BY deal_count DESC, ac.client_id ASC
+    `, [
+    allocatorId
+  ])
+
+  // Cache the response for 6 hours
+  res.setHeader('cache-control', `max-age=${6 * 3600}`)
+
+  const body = {
+    allocatorId,
+    dealCount: rows.reduce((sum, row) => sum + row.deal_count, 0),
+    clients: rows.map(
+      // eslint-disable-next-line camelcase
+      ({ client_id, deal_count }) => ({ clientId: client_id, dealCount: deal_count })
+    )
+  }
+  json(res, body)
+}
+
 export const inspectRequest = async (req, res) => {
   await json(res, {
     remoteAddress: req.socket.remoteAddress,
diff --git a/api/test/test.js b/api/test/test.js
index af650899..a5f639b9 100644
--- a/api/test/test.js
+++ b/api/test/test.js
@@ -662,6 +662,15 @@ describe('Routes', () => {
         ('bafyexpired', 'f0230', 'f0800', '2020-01-01')
         ON CONFLICT DO NOTHING
       `)
+
+      await client.query(`
+        INSERT INTO allocator_clients (allocator_id, client_id)
+        VALUES
+        ('f0500', 'f0800'),
+        ('f0500', 'f0810'),
+        ('f0520', 'f0820')
+        ON CONFLICT DO NOTHING
+      `)
     })
 
     describe('GET /miner/{id}/deals/eligible/summary', () => {
@@ -723,5 +732,34 @@ describe('Routes', () => {
         })
       })
     })
+
+    describe('GET /allocator/{id}/deals/eligible/summary', () => {
+      it('returns deal counts grouped by client id', async () => {
+        const res = await fetch(`${spark}/allocator/f0500/deals/eligible/summary`)
+        await assertResponseStatus(res, 200)
+        assert.strictEqual(res.headers.get('cache-control'), 'max-age=21600')
+        const body = await res.json()
+        assert.deepStrictEqual(body, {
+          allocatorId: 'f0500',
+          dealCount: 6,
+          clients: [
+            { clientId: 'f0800', dealCount: 4 },
+            { clientId: 'f0810', dealCount: 2 }
+          ]
+        })
+      })
+
+      it('returns an empty array for miners with no deals in our DB', async () => {
+        const res = await fetch(`${spark}/allocator/f0000/deals/eligible/summary`)
+        await assertResponseStatus(res, 200)
+        assert.strictEqual(res.headers.get('cache-control'), 'max-age=21600')
+        const body = await res.json()
+        assert.deepStrictEqual(body, {
+          allocatorId: 'f0000',
+          dealCount: 0,
+          clients: []
+        })
+      })
+    })
   })
 })