diff --git a/composer.json b/composer.json
index 7032f73..bc12db6 100644
--- a/composer.json
+++ b/composer.json
@@ -22,10 +22,12 @@
     ],
     "require": {
         "php": "^7.4 || ~8.0",
+        "guzzlehttp/guzzle": "^7.3",
         "illuminate/http": "~8.0"
     },
     "require-dev": {
         "mockery/mockery": "^1.4",
+        "orchestra/testbench": "^6.0",
         "phpunit/phpunit": "^9.0",
         "squizlabs/php_codesniffer": "^3.5",
         "tightenco/tlint": "^5.0"
diff --git a/src/Exceptions/AccountNotFoundException.php b/src/Exceptions/AccountNotFoundException.php
new file mode 100644
index 0000000..4bc58e8
--- /dev/null
+++ b/src/Exceptions/AccountNotFoundException.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Tighten\SolanaPhpSdk\Exceptions;
+
+use Exception;
+
+class AccountNotFoundException extends Exception
+{
+
+}
diff --git a/src/Solana.php b/src/Solana.php
index e293f3f..95f0212 100644
--- a/src/Solana.php
+++ b/src/Solana.php
@@ -2,6 +2,8 @@
 
 namespace Tighten\SolanaPhpSdk;
 
+use Tighten\SolanaPhpSdk\Exceptions\AccountNotFoundException;
+
 class Solana
 {
     public const solanaTokenProgramId = 'TokenkegQfeZyiNwAJbNbGKPFXCWuBvf9Ss623VQ5DA';
@@ -16,7 +18,13 @@ public function __construct(SolanaRpcClient $client)
 
     public function getAccountInfo(string $pubKey): array
     {
-        return $this->client->call('getAccountInfo', [$pubKey, ["encoding" => "jsonParsed"]])->json()['result']['value'];
+        $accountResponse = $this->client->call('getAccountInfo', [$pubKey, ["encoding" => "jsonParsed"]])->json()['result']['value'];
+
+        if (! $accountResponse) {
+            throw new AccountNotFoundException("API Error: Account {$pubKey} not found.");
+        }
+
+        return $accountResponse;
     }
 
     public function getBalance(string $pubKey): float
diff --git a/src/SolanaRpcClient.php b/src/SolanaRpcClient.php
index 14da6ae..6627595 100644
--- a/src/SolanaRpcClient.php
+++ b/src/SolanaRpcClient.php
@@ -67,4 +67,12 @@ protected function validateResponse(Response $response, string $method, array $p
             throw new GenericException('API Error: status code ' . $response->getStatusCode());
         }
     }
+
+    /**
+     * @return int
+     */
+    public function getRandomKey(): int
+    {
+        return $this->randomKey;
+    }
 }
diff --git a/tests/SolanaTest.php b/tests/SolanaTest.php
index e4d7d2b..0cca4d2 100644
--- a/tests/SolanaTest.php
+++ b/tests/SolanaTest.php
@@ -3,8 +3,9 @@
 namespace Tighten\SolanaPhpSdk\Tests;
 
 use Illuminate\Http\Client\Response;
+use Illuminate\Support\Facades\Http;
 use Mockery as M;
-use PHPUnit\Framework\TestCase;
+use Tighten\SolanaPhpSdk\Exceptions\AccountNotFoundException;
 use Tighten\SolanaPhpSdk\Solana;
 use Tighten\SolanaPhpSdk\SolanaRpcClient;
 
@@ -27,6 +28,29 @@ public function it_passes_undefined_calls_through_magically()
         $this->assertTrue(true); // Keep PHPUnit from squawking; there must be a better way?
     }
 
+    /** @test */
+    public function it_will_throw_exception_when_rpc_account_response_is_null()
+    {
+        $client = new SolanaRpcClient(SolanaRpcClient::DEVNET_ENDPOINT);
+        $expectedIdInHttpResponse = $client->getRandomKey();
+        $solana = new Solana($client);
+        Http::fake([
+            SolanaRpcClient::DEVNET_ENDPOINT => Http::response([
+                'jsonrpc' => '2.0',
+                'result' => [
+                    'context' =>  [
+                        'slot' => 6440
+                    ],
+                    'value' => null, // no account data.
+                ],
+                'id' => $expectedIdInHttpResponse,
+            ]),
+        ]);
+
+        $this->expectException(AccountNotFoundException::class);
+        $solana->getAccountInfo('abc123');
+    }
+
     protected function fakeResponse(): Response
     {
         return new Response(new class
diff --git a/tests/TestCase.php b/tests/TestCase.php
new file mode 100644
index 0000000..9cb7176
--- /dev/null
+++ b/tests/TestCase.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Tighten\SolanaPhpSdk\Tests;
+
+use Orchestra\Testbench\TestCase as Orchestra;
+
+class TestCase extends Orchestra
+{
+
+}