diff --git a/src/platform/src/Exception/RateLimitExceededException.php b/src/platform/src/Exception/RateLimitExceededException.php
index b64520b56..c162f3f2e 100644
--- a/src/platform/src/Exception/RateLimitExceededException.php
+++ b/src/platform/src/Exception/RateLimitExceededException.php
@@ -19,7 +19,7 @@ final class RateLimitExceededException extends RuntimeException
     public function __construct(
         private readonly ?float $retryAfter = null,
     ) {
-        parent::__construct('Rate limit exceeded.');
+        parent::__construct('Rate limit exceeded.', 429);
     }
 
     public function getRetryAfter(): ?float
diff --git a/src/platform/tests/Bridge/Anthropic/ResultConverterRateLimitTest.php b/src/platform/tests/Bridge/Anthropic/ResultConverterRateLimitTest.php
index 86d9a0492..a92cf13d7 100644
--- a/src/platform/tests/Bridge/Anthropic/ResultConverterRateLimitTest.php
+++ b/src/platform/tests/Bridge/Anthropic/ResultConverterRateLimitTest.php
@@ -39,6 +39,7 @@ public function testRateLimitExceededThrowsException()
         $handler = new ResultConverter();
 
         $this->expectException(RateLimitExceededException::class);
+        $this->expectExceptionCode(429);
         $this->expectExceptionMessage('Rate limit exceeded');
 
         try {
@@ -61,6 +62,7 @@ public function testRateLimitExceededWithoutRetryAfter()
         $handler = new ResultConverter();
 
         $this->expectException(RateLimitExceededException::class);
+        $this->expectExceptionCode(429);
         $this->expectExceptionMessage('Rate limit exceeded');
 
         try {
diff --git a/src/platform/tests/Bridge/Gemini/Gemini/ResultConverterRateLimitTest.php b/src/platform/tests/Bridge/Gemini/Gemini/ResultConverterRateLimitTest.php
index f180ebc90..83ce62dea 100644
--- a/src/platform/tests/Bridge/Gemini/Gemini/ResultConverterRateLimitTest.php
+++ b/src/platform/tests/Bridge/Gemini/Gemini/ResultConverterRateLimitTest.php
@@ -36,6 +36,7 @@ public function testRateLimitExceededThrowsException()
         $handler = new ResultConverter();
 
         $this->expectException(RateLimitExceededException::class);
+        $this->expectExceptionCode(429);
         $this->expectExceptionMessage('Rate limit exceeded.');
 
         try {
diff --git a/src/platform/tests/Bridge/OpenAi/Gpt/ResultConverterRateLimitTest.php b/src/platform/tests/Bridge/OpenAi/Gpt/ResultConverterRateLimitTest.php
index b3aeff43f..fff7bbc74 100644
--- a/src/platform/tests/Bridge/OpenAi/Gpt/ResultConverterRateLimitTest.php
+++ b/src/platform/tests/Bridge/OpenAi/Gpt/ResultConverterRateLimitTest.php
@@ -41,6 +41,7 @@ public function testRateLimitExceededWithRequestsResetTime()
         $handler = new ResultConverter();
 
         $this->expectException(RateLimitExceededException::class);
+        $this->expectExceptionCode(429);
         $this->expectExceptionMessage('Rate limit exceeded.');
 
         try {
@@ -68,6 +69,7 @@ public function testRateLimitExceededWithTokensResetTime()
         $handler = new ResultConverter();
 
         $this->expectException(RateLimitExceededException::class);
+        $this->expectExceptionCode(429);
         $this->expectExceptionMessage('Rate limit exceeded.');
 
         try {