diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..26c9e8f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+jsonrpc/openrpc.json
+jsonrpc/node_modules
diff --git a/jsonrpc/src/content/params.json b/jsonrpc/src/content/params.json
index 0e9d6b3..59176d6 100644
--- a/jsonrpc/src/content/params.json
+++ b/jsonrpc/src/content/params.json
@@ -43,6 +43,19 @@
       }
     }
   },
+  "ContentItems": {
+    "name": "content_items",
+    "required": true,
+    "schema": {
+      "title": "content_item",
+      "type": "array",
+      "items": {
+        "$ref": "#/components/schemas/ContentItem"
+      },
+      "minItems": 1,
+      "maxItems": 64
+    }
+  },   
   "Enr": {
     "name": "enr",
     "required": true,
diff --git a/jsonrpc/src/methods/beacon.json b/jsonrpc/src/methods/beacon.json
index 1dae686..fd24183 100644
--- a/jsonrpc/src/methods/beacon.json
+++ b/jsonrpc/src/methods/beacon.json
@@ -99,16 +99,13 @@
   },
   {
     "name": "portal_beaconOffer",
-    "summary": "Send an OFFER request with given ContentKey, to the designated peer and wait for a response.",
+    "summary": "Send an OFFER request with given array of content items (keys & values), to the designated peer and wait for a response. The client MUST return an error if more than 64 content items are provided or less than 1 content items are provided.",
     "params": [
       {
         "$ref": "#/components/contentDescriptors/Enr"
       },
       {
-        "$ref": "#/components/contentDescriptors/ContentKey"
-      },
-      {
-        "$ref": "#/components/contentDescriptors/ContentValue"
+        "$ref": "#/components/contentDescriptors/ContentItems"
       }
     ],
     "result": {
diff --git a/jsonrpc/src/methods/history.json b/jsonrpc/src/methods/history.json
index e94d8ab..7ae4129 100644
--- a/jsonrpc/src/methods/history.json
+++ b/jsonrpc/src/methods/history.json
@@ -99,16 +99,13 @@
   },
   {
     "name": "portal_historyOffer",
-    "summary": "Send an OFFER request with given ContentKey, to the designated peer and wait for a response.",
+    "summary": "Send an OFFER request with given array of content items (keys & values), to the designated peer and wait for a response. The client MUST return an error if more than 64 content items are provided or less than 1 content items are provided.",
     "params": [
       {
         "$ref": "#/components/contentDescriptors/Enr"
       },
       {
-        "$ref": "#/components/contentDescriptors/ContentKey"
-      },
-      {
-        "$ref": "#/components/contentDescriptors/ContentValue"
+        "$ref": "#/components/contentDescriptors/ContentItems"
       }
     ],
     "result": {
diff --git a/jsonrpc/src/methods/state.json b/jsonrpc/src/methods/state.json
index 166275e..2767caf 100644
--- a/jsonrpc/src/methods/state.json
+++ b/jsonrpc/src/methods/state.json
@@ -99,16 +99,13 @@
   },
   {
     "name": "portal_stateOffer",
-    "summary": "Send an OFFER request with given ContentKey, to the designated peer and wait for a response.",
+    "summary": "Send an OFFER request with given array of content items (keys & values), to the designated peer and wait for a response. The client MUST return an error if more than 64 content items are provided or less than 1 content items are provided.",
     "params": [
       {
         "$ref": "#/components/contentDescriptors/Enr"
       },
       {
-        "$ref": "#/components/contentDescriptors/ContentKey"
-      },
-      {
-        "$ref": "#/components/contentDescriptors/ContentValue"
+        "$ref": "#/components/contentDescriptors/ContentItems"
       }
     ],
     "result": {
diff --git a/jsonrpc/src/schemas/portal.json b/jsonrpc/src/schemas/portal.json
index 8103a2c..7b08401 100644
--- a/jsonrpc/src/schemas/portal.json
+++ b/jsonrpc/src/schemas/portal.json
@@ -38,5 +38,24 @@
     "title": "UDP port number",
     "type": "string",
     "pattern": "^([1-9][0-9]{0,3}|[1-5][0-9]{4}|6[0-4][0-9]{3}|65[0-4][0-9]{2}|655[0-2][0-9]|6553[0-5])$"
+  },
+  "ContentItem": {
+    "title": "content_item",
+    "type": "array",
+    "items": [
+      {
+        "title": "Content key",
+        "description": "The encoded Portal content key",
+        "$ref": "#/components/schemas/hexString"
+      },
+      {
+        "title": "Content value",
+        "description": "The encoded Portal content value",
+        "$ref": "#/components/schemas/hexString"
+      }
+    ],
+    "minItems": 2,
+    "maxItems": 2,
+    "additionalItems": false
   }
 }