diff --git a/src/core/xref.js b/src/core/xref.js
index 4e0e9e8b76..dc4e0ba816 100644
--- a/src/core/xref.js
+++ b/src/core/xref.js
@@ -110,7 +110,7 @@ function findExplicitExternalLinks() {
  */
 function normalizeConfig(xref) {
   const defaults = {
-    url: API_URL,
+    url: new URL("search/", API_URL).href,
     specs: null,
   };
 
@@ -313,24 +313,23 @@ async function getData(queryKeys, apiUrl) {
 }
 
 /**
- * @param {RequestEntry[]} keys
+ * @param {RequestEntry[]} queries
  * @param {string} url
  * @returns {Promise<Map<string, SearchResultEntry[]>>}
  */
-async function fetchFromNetwork(keys, url) {
-  if (!keys.length) return new Map();
+async function fetchFromNetwork(queries, url) {
+  if (!queries.length) return new Map();
 
-  const query = { keys };
   const options = {
     method: "POST",
-    body: JSON.stringify(query),
+    body: JSON.stringify({ queries }),
     headers: {
       "Content-Type": "application/json",
     },
   };
   const response = await fetch(url, options);
   const json = await response.json();
-  return new Map(json.result);
+  return new Map(json.results.map(({ id, result }) => [id, result]));
 }
 
 /**
diff --git a/tests/data/xref/refs.json b/tests/data/xref/refs.json
index 23fdd5ca63..4694a24054 100644
--- a/tests/data/xref/refs.json
+++ b/tests/data/xref/refs.json
@@ -1,8 +1,13 @@
 {
-  "result": [
-    [
-      "ab7db5bcda5172f65990774c08b2d5623d0ca4d9",
-      [
+  "results": [
+    {
+      "id": "ab7db5bcda5172f65990774c08b2d5623d0ca4d9",
+      "query": {
+        "term": "fake inform 1",
+        "types": ["_CONCEPT_"],
+        "id": "ab7db5bcda5172f65990774c08b2d5623d0ca4d9"
+      },
+      "result": [
         {
           "shortname": "local-1",
           "type": "dfn",
@@ -10,10 +15,15 @@
           "uri": "#fake-inform-1"
         }
       ]
-    ],
-    [
-      "cb3348a71fc96423a724d214e32b0a6f6d19f270",
-      [
+    },
+    {
+      "id": "cb3348a71fc96423a724d214e32b0a6f6d19f270",
+      "query": {
+        "term": "list",
+        "types": ["_CONCEPT_"],
+        "id": "cb3348a71fc96423a724d214e32b0a6f6d19f270"
+      },
+      "result": [
         {
           "shortname": "infra",
           "type": "dfn",
@@ -21,10 +31,15 @@
           "uri": "#list"
         }
       ]
-    ],
-    [
-      "8ab59f6080eccb6cd1cb43884d30467b294761dd",
-      [
+    },
+    {
+      "id": "8ab59f6080eccb6cd1cb43884d30467b294761dd",
+      "query": {
+        "term": "bearing angle",
+        "types": ["_CONCEPT_"],
+        "id": "8ab59f6080eccb6cd1cb43884d30467b294761dd"
+      },
+      "result": [
         {
           "shortname": "css-values",
           "type": "dfn",
@@ -32,10 +47,15 @@
           "uri": "#bearing-angle"
         }
       ]
-    ],
-    [
-      "a99184f1d06a2664d14b22732d462985ba9993a1",
-      [
+    },
+    {
+      "id": "a99184f1d06a2664d14b22732d462985ba9993a1",
+      "query": {
+        "term": "url parser",
+        "types": ["_CONCEPT_"],
+        "id": "a99184f1d06a2664d14b22732d462985ba9993a1"
+      },
+      "result": [
         {
           "shortname": "url",
           "type": "dfn",
@@ -43,10 +63,15 @@
           "uri": "#concept-url-parser"
         }
       ]
-    ],
-    [
-      "98f59682aab42126e30db05b4fc748fb891654b1",
-      [
+    },
+    {
+      "id": "98f59682aab42126e30db05b4fc748fb891654b1",
+      "query": {
+        "term": "fake inform 2",
+        "types": ["_CONCEPT_"],
+        "id": "98f59682aab42126e30db05b4fc748fb891654b1"
+      },
+      "result": [
         {
           "shortname": "local-2",
           "type": "dfn",
@@ -54,10 +79,15 @@
           "uri": "#fake-inform-2"
         }
       ]
-    ],
-    [
-      "2ae12bb4ce51410e6b99a24e4bf8f1d664fe0071",
-      [
+    },
+    {
+      "id": "2ae12bb4ce51410e6b99a24e4bf8f1d664fe0071",
+      "query": {
+        "term": "event handler",
+        "types": ["_CONCEPT_"],
+        "id": "2ae12bb4ce51410e6b99a24e4bf8f1d664fe0071"
+      },
+      "result": [
         {
           "shortname": "html",
           "type": "dfn",
@@ -65,10 +95,15 @@
           "uri": "webappapis.html#event-handlers"
         }
       ]
-    ],
-    [
-      "ea274f5f7e4d9bd49503932f92e96377bcc6d32c",
-      [
+    },
+    {
+      "id": "ea274f5f7e4d9bd49503932f92e96377bcc6d32c",
+      "query": {
+        "term": "fake inform 3",
+        "types": ["_CONCEPT_"],
+        "id": "ea274f5f7e4d9bd49503932f92e96377bcc6d32c"
+      },
+      "result": [
         {
           "shortname": "local-3",
           "type": "dfn",
@@ -76,10 +111,15 @@
           "uri": "#fake-inform-3"
         }
       ]
-    ],
-    [
-      "3f57765140cc67750fba716a57c6acd2897aac33",
-      [
+    },
+    {
+      "id": "3f57765140cc67750fba716a57c6acd2897aac33",
+      "query": {
+        "term": "dictionary",
+        "types": ["_CONCEPT_"],
+        "id": "3f57765140cc67750fba716a57c6acd2897aac33"
+      },
+      "result": [
         {
           "shortname": "webidl",
           "type": "dfn",
@@ -87,10 +127,15 @@
           "uri": "#dfn-dictionary"
         }
       ]
-    ],
-    [
-      "2d0e5d79ca098268a8a4fa1a432b49b18c4fce8b",
-      [
+    },
+    {
+      "id": "2d0e5d79ca098268a8a4fa1a432b49b18c4fce8b",
+      "query": {
+        "term": "fake inform 4",
+        "types": ["_CONCEPT_"],
+        "id": "2d0e5d79ca098268a8a4fa1a432b49b18c4fce8b"
+      },
+      "result": [
         {
           "shortname": "local-4",
           "type": "dfn",
@@ -98,10 +143,15 @@
           "uri": "#fake-inform-4"
         }
       ]
-    ],
-    [
-      "4ef7705f121b9b2228672ec56b8d3a4f491a0c20",
-      [
+    },
+    {
+      "id": "4ef7705f121b9b2228672ec56b8d3a4f491a0c20",
+      "query": {
+        "term": "ascii alphanumeric",
+        "types": ["_CONCEPT_"],
+        "id": "4ef7705f121b9b2228672ec56b8d3a4f491a0c20"
+      },
+      "result": [
         {
           "shortname": "infra",
           "type": "dfn",
@@ -109,58 +159,6 @@
           "uri": "#ascii-alphanumeric"
         }
       ]
-    ]
-  ],
-  "query": [
-    {
-      "term": "fake inform 1",
-      "types": ["_CONCEPT_"],
-      "id": "ab7db5bcda5172f65990774c08b2d5623d0ca4d9"
-    },
-    {
-      "term": "list",
-      "types": ["_CONCEPT_"],
-      "id": "cb3348a71fc96423a724d214e32b0a6f6d19f270"
-    },
-    {
-      "term": "bearing angle",
-      "types": ["_CONCEPT_"],
-      "id": "8ab59f6080eccb6cd1cb43884d30467b294761dd"
-    },
-    {
-      "term": "url parser",
-      "types": ["_CONCEPT_"],
-      "id": "a99184f1d06a2664d14b22732d462985ba9993a1"
-    },
-    {
-      "term": "fake inform 2",
-      "types": ["_CONCEPT_"],
-      "id": "98f59682aab42126e30db05b4fc748fb891654b1"
-    },
-    {
-      "term": "event handler",
-      "types": ["_CONCEPT_"],
-      "id": "2ae12bb4ce51410e6b99a24e4bf8f1d664fe0071"
-    },
-    {
-      "term": "fake inform 3",
-      "types": ["_CONCEPT_"],
-      "id": "ea274f5f7e4d9bd49503932f92e96377bcc6d32c"
-    },
-    {
-      "term": "dictionary",
-      "types": ["_CONCEPT_"],
-      "id": "3f57765140cc67750fba716a57c6acd2897aac33"
-    },
-    {
-      "term": "fake inform 4",
-      "types": ["_CONCEPT_"],
-      "id": "2d0e5d79ca098268a8a4fa1a432b49b18c4fce8b"
-    },
-    {
-      "term": "ascii alphanumeric",
-      "types": ["_CONCEPT_"],
-      "id": "4ef7705f121b9b2228672ec56b8d3a4f491a0c20"
     }
   ]
 }