[docs]: Update Spend Permissions Page + Sidebar with more details

docs/pages/guides/spend-permissions/api-reference/coinbase-fetchpermissions.mdx

@@ -1,32 +1,69 @@
-## Coinbase Wallet API
+# Coinbase Wallet API - Spend Permissions
 
-### `coinbase_fetchPermissions`
+The `coinbase_fetchPermissions` RPC method retrieves permissions associated with a specific account, chain, and spender. This method excludes permissions that have expired or been revoked.
 
-A utility API endpoint for recalling permissions previously granted for a specific user.
-Excludes permissions that have expired or been revoked.
+## Overview
 
-#### Schema
+**RPC Method:** `coinbase_fetchPermissions`
 
 **Endpoint:** `https://rpc.wallet.coinbase.com`
 
+This RPC method allows you to query active spend permissions for an account on a specific chain and spender.
+
+## Example Request
+
+Below is an example of how to use the `coinbase_fetchPermissions` method with a cURL request:
+
+```bash
+curl --location 'https://rpc.wallet.coinbase.com' \
+--header 'Content-Type: application/json' \
+--data '{
+  "jsonrpc": "2.0",
+  "method": "coinbase_fetchPermissions",
+  "params": [
+    {
+      "account": "0xfB2adc8629FC9F54e243377ffcECEb437a42934C",
+      "chainId": "0x14A34",
+      "spender": "0x2a83b0e4462449660b6e7567b2c81ac6d04d877d"
+    }
+  ],
+  "id": 1
+}'
+```
+
+## Request Schema
+
 ```typescript
 type FetchPermissionsRequest = {
   chainId: string; // hex, uint256
   account: string; // address
   spender: string; // address
   pageOptions?: {
-    pageSize number; // number of items requested, defaults to 50
-    cursor string; // identifier for where the page should start
-  }
-}
+    pageSize: number; // number of items requested, defaults to 50
+    cursor: string; // identifier for where the page should start
+  };
+};
+```
+
+### Parameters
+
+- **`chainId`**: The ID of the blockchain, in hexadecimal format.
+- **`account`**: The address of the account whose permissions are being queried.
+- **`spender`**: The entity granted with the permission to spend the `account`'s funds.
+- **`pageOptions`** _(optional)_:
+  - **`pageSize`**: The number of permissions to fetch in a single request (default: 50).
+  - **`cursor`**: A unique identifier to start fetching from a specific page.
 
+## Response Schema
+
+```typescript
 type FetchPermissionsResult = {
   permissions: FetchPermissionsResultItem[];
   pageDescription: {
-    pageSize number; // number of items returned
-    nextCursor string; // identifier for where the next page should start
-  }
-}
+    pageSize: number; // number of items returned
+    nextCursor: string; // identifier for where the next page should start
+  };
+};
 
 type FetchPermissionsResultItem = {
   createdAt: number; // UTC timestamp for when the permission was granted
@@ -43,5 +80,33 @@ type FetchPermissionsResultItem = {
     salt: string; // base 10 numeric string
     extraData: string; // hex
   };
-}
+};
 ```
+
+### Fields
+
+- **`permissions`**: An array of permission objects.
+- **`pageDescription`**:
+  - **`pageSize`**: Number of permissions returned in this response.
+  - **`nextCursor`**: The cursor to be used for the next page of results.
+
+### Permission Object
+
+- **`createdAt`**: The UTC timestamp when the permission was granted.
+- **`permissionHash`**: A unique hash representing the permission.
+- **`signature`**: The cryptographic signature for the permission.
+- **`permission`**:
+  - **`account`**: The address of the account granting the permission.
+  - **`spender`**: The address of the spender receiving the permission.
+  - **`token`**: The address of the token involved.
+  - **`allowance`**: The amount allowed, represented as a base 10 numeric string.
+  - **`period`**: Duration of the permission in Unix seconds.
+  - **`start`**: Start time of the permission in Unix seconds.
+  - **`end`**: End time of the permission in Unix seconds.
+  - **`salt`**: A unique salt value as a base 10 numeric string.
+  - **`extraData`**: Additional data in hexadecimal format.
+
+## Notes
+
+- Ensure the `chainId`, `account`, and `spender` parameters are correctly formatted and valid for the blockchain you are querying.
+- This RPC method only returns active permissions.

vocs.config.tsx

@@ -148,7 +148,7 @@ export default defineConfig({
                   link: "/guides/spend-permissions/api-reference/spendpermissionmanager",
                 },
                 {
-                  text: "coinbase_fetchPermissions",
+                  text: "Fetch Permissions API",
                   link: "/guides/spend-permissions/api-reference/coinbase-fetchpermissions",
                 },
                 {