diff --git a/arbitrum/eth_feeHistory.yaml b/arbitrum/eth_feeHistory.yaml
index 96bbb3ed..e5689df3 100644
--- a/arbitrum/eth_feeHistory.yaml
+++ b/arbitrum/eth_feeHistory.yaml
@@ -17,38 +17,43 @@ x-sandbox:
     value: core
 paths:
   /{apiKey}:
-    post:
-      summary: eth_feeHistory - Arbitrum
-      operationId: eth-feehistory-arbitrum
-      $ref: ../ethereum/eth_feeHistory.yaml#/components/pathItems/path/post
-      x-readme:
-        samples-languages:
-          - curl
-          - javascript
-          - python
-        code-samples:
-          - language: javascript
-            name: Alchemy SDK
-            code: |
-              // Setup: npm install alchemy-sdk
-              // Github: https://github.com/alchemyplatform/alchemy-sdk-js
-              import { Network, Alchemy } from "alchemy-sdk";
-
-              // Optional config object, but defaults to demo api-key and eth-mainnet.
-              const settings = {
-                apiKey: "demo", // Replace with your Alchemy API Key.
-                network: Network.ETH_MAINNET, // Replace with your network.
-              };
-              const alchemy = new Alchemy(settings);
-
-              // Using send method from alchemy-sdk with specific transaction details
-              const res = await alchemy.core.send('eth_feeHistory', [
-                '0x5',
-                'latest',
-                []
-              ]);
-
-              console.log(res);
-      responses:
-        '200':
-          description: 'Returns latest block and gas fee details.'
+    $ref: '#/components/pathItems/path'
+components:
+  pathItems:
+    path:
+      post:
+        summary: eth_feeHistory - Arbitrum
+        description: Returns a collection of historical gas information.
+        tags: []
+        parameters:
+          - name: apiKey
+            in: path
+            schema:
+              type: string
+              default: docs-demo
+              description: |
+                <style>
+                  .custom-style {
+                    color: #048FF4;
+                  }
+                </style>
+                For higher throughput, <span class="custom-style"><a href="https://alchemy.com/?a=docs-demo" target="_blank">create your own API key</a></span>
+            required: true
+        requestBody:
+          content:
+            application/json:
+              schema:
+                $ref: ../evm_body.yaml#/eth_feeHistory
+        responses:
+          '200':
+            description: ''
+            content:
+              application/json:
+                schema:
+                  $ref: ../evm_responses.yaml#/eth_feeHistory
+        operationId: eth-feeHistory-arbitrum
+        x-readme:
+          samples-languages:
+            - curl
+            - javascript
+            - python
diff --git a/evm_examples.yaml b/evm_examples.yaml
index 03dee096..8e1b5601 100644
--- a/evm_examples.yaml
+++ b/evm_examples.yaml
@@ -759,37 +759,32 @@ sendTxn_result_response:
 
 eth_feeHistory:
   {
-    'jsonrpc': '2.0',
-    'id': 0,
-    'result':
-      {
-        'oldestBlock': '0xfd6a75',
-        'reward':
-          [
-            ['0x3b9aca00', '0x3b9aca00', '0x59682f00'],
-            ['0x3b9aca00', '0x3b9aca00', '0x77359400'],
-            ['0x3b9aca00', '0x3b9aca00', '0x3b9aca00'],
-            ['0x2e7ddb00', '0x3b9aca00', '0x77359400'],
-            ['0x3b9aca00', '0x3b9aca00', '0x59682f00'],
-          ],
-        'baseFeePerGas':
-          [
-            '0x4c9d974c3',
-            '0x4c38a847a',
-            '0x49206d475',
-            '0x47ac58b63',
-            '0x471e805d8',
-            '0x46f5f64a6',
-          ],
-        'gasUsedRatio':
-          [
-            0.4794155666666667,
-            0.3375966,
-            0.42049746666666665,
-            0.4690773,
-            0.49109343333333333,
-          ],
-      },
+    "jsonrpc": "2.0",
+    "id": 1,
+    "result": {
+      "oldestBlock": "0x130b1e6",
+      "reward": [
+        ["0x5041e1e", "0xdd221b80"],
+        ["0x5041e1e", "0xb8346df0"],
+        ["0x55d4a80", "0xb2d05e00"],
+        ["0x4dd9818", "0x3b9aca00"]
+      ],
+      "baseFeePerGas": [
+        "0x52d80a82c",
+        "0x50f43f659",
+        "0x50012de8d",
+        "0x4e30357d6",
+        "0x57efff9e7"
+      ],
+      "gasUsedRatio": [
+        0.40875283333333334,
+        0.45308523333333334,
+        0.4091907,
+        0.9987537
+      ],
+      "baseFeePerBlobGas": ["0x1", "0x1", "0x1", "0x1", "0x1"],
+      "blobGasUsedRatio": [0.5, 1, 0.6666666666666666, 1]
+    }
   }
 
 net_version: { 'jsonrpc': '2.0', 'id': 0, 'result': '1' }
diff --git a/evm_responses.yaml b/evm_responses.yaml
index 6d251c34..e0f38c40 100644
--- a/evm_responses.yaml
+++ b/evm_responses.yaml
@@ -670,29 +670,41 @@ eth_feeHistory:
         result:
           type: object
           required:
-            - OLDESTBLOCK
-            - BASEFEEPERGAS
-            - GASUSEDRATIO
+            - oldestBlock
+            - baseFeePerGas
+            - gasUsedRatio
           properties:
-            OLDESTBLOCK:
+            oldestBlock:
               type: integer
               format: int64
               description: Lowest number block of the returned range.
-            BASEFEEPERGAS:
+            baseFeePerGas:
               type: array
               description: 'An array of block base fees per gas. This includes the next block after the newest of the returned range, because this value can be derived from the newest block. Zeroes are returned for pre-EIP-1559 blocks.'
               items:
                 type: string
-            GASUSEDRATIO:
+            gasUsedRatio:
               type: array
+              description: An array representing the ratios of block gas used. These ratios are calculated by dividing gasUsed by gasLimit.
               items:
                 type: number
-            REWARD:
+            reward:
               type: array
+              description: A two-dimensional array showing the effective priority fees per gas at the specified block percentiles.
               items:
                 type: array
                 items:
                   type: string
+            baseFeePerBlobGas:
+              type: array
+              description: An array of base fees per blob gas for blocks. This includes the next block following the newest in the returned range, as this value can be derived from the latest block. For blocks before EIP-4844, zeroes are returned.
+              items:
+                type: string
+            blobGasUsedRatio:
+              type: array
+              description: An array showing the ratios of blob gas used in blocks. These ratios are calculated by dividing blobGasUsed by the maximum blob gas per block.
+              items:
+                type: number
       example:
         $ref: ./evm_examples.yaml#/eth_feeHistory
 net_version: