diff --git a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/AutoConfig.java b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/AutoConfig.java
index 8ab126f..292f17e 100644
--- a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/AutoConfig.java
+++ b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/AutoConfig.java
@@ -86,6 +86,7 @@ OpenAiChatModel openAiChatModel(
                 .logRequests(chatModelProperties.logRequests())
                 .logResponses(chatModelProperties.logResponses())
                 .customHeaders(chatModelProperties.customHeaders())
+                .customQueryParams(chatModelProperties.customQueryParams())
                 .listeners(listeners.orderedStream().toList())
                 .build();
     }
@@ -140,6 +141,7 @@ OpenAiStreamingChatModel openAiStreamingChatModel(
                 .logRequests(chatModelProperties.logRequests())
                 .logResponses(chatModelProperties.logResponses())
                 .customHeaders(chatModelProperties.customHeaders())
+                .customQueryParams(chatModelProperties.customQueryParams())
                 .listeners(listeners.orderedStream().toList())
                 .build();
     }
@@ -198,6 +200,7 @@ OpenAiLanguageModel openAiLanguageModel(
                 .logRequests(languageModelProperties.logRequests())
                 .logResponses(languageModelProperties.logResponses())
                 .customHeaders(languageModelProperties.customHeaders())
+                .customQueryParams(languageModelProperties.customQueryParams())
                 .build();
     }
 
@@ -230,6 +233,7 @@ OpenAiStreamingLanguageModel openAiStreamingLanguageModel(
                 .logRequests(languageModelProperties.logRequests())
                 .logResponses(languageModelProperties.logResponses())
                 .customHeaders(languageModelProperties.customHeaders())
+                .customQueryParams(languageModelProperties.customQueryParams())
                 .build();
     }
 
@@ -290,6 +294,7 @@ OpenAiEmbeddingModel openAiEmbeddingModel(
                 .logRequests(embeddingModelProperties.logRequests())
                 .logResponses(embeddingModelProperties.logResponses())
                 .customHeaders(embeddingModelProperties.customHeaders())
+                .customQueryParams(embeddingModelProperties.customQueryParams())
                 .build();
     }
 
@@ -322,6 +327,7 @@ OpenAiModerationModel openAiModerationModel(
                 .logRequests(moderationModelProperties.logRequests())
                 .logResponses(moderationModelProperties.logResponses())
                 .customHeaders(moderationModelProperties.customHeaders())
+                .customQueryParams(moderationModelProperties.customQueryParams())
                 .build();
     }
 
@@ -359,6 +365,7 @@ OpenAiImageModel openAiImageModel(
                 .logRequests(imageModelProperties.logRequests())
                 .logResponses(imageModelProperties.logResponses())
                 .customHeaders(imageModelProperties.customHeaders())
+                .customQueryParams(imageModelProperties.customQueryParams())
                 .build();
     }
 
diff --git a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ChatModelProperties.java b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ChatModelProperties.java
index 211adc0..4771ed4 100644
--- a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ChatModelProperties.java
+++ b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ChatModelProperties.java
@@ -38,6 +38,7 @@ record ChatModelProperties(
         Boolean logRequests,
         Boolean logResponses,
         Map<String, String> customHeaders,
+        Map<String, String> customQueryParams,
         Map<String, Object> customParameters
 ) {
 }
\ No newline at end of file
diff --git a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/EmbeddingModelProperties.java b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/EmbeddingModelProperties.java
index 311029f..1f198d4 100644
--- a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/EmbeddingModelProperties.java
+++ b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/EmbeddingModelProperties.java
@@ -16,7 +16,8 @@ record EmbeddingModelProperties(
         Integer maxRetries,
         Boolean logRequests,
         Boolean logResponses,
-        Map<String, String> customHeaders
+        Map<String, String> customHeaders,
+        Map<String, String> customQueryParams
 ) {
 
 }
\ No newline at end of file
diff --git a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ImageModelProperties.java b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ImageModelProperties.java
index 3bb098e..a7d9307 100644
--- a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ImageModelProperties.java
+++ b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ImageModelProperties.java
@@ -18,6 +18,7 @@ record ImageModelProperties(
         Integer maxRetries,
         Boolean logRequests,
         Boolean logResponses,
-        Map<String, String> customHeaders
+        Map<String, String> customHeaders,
+        Map<String, String> customQueryParams
 ) {
 }
\ No newline at end of file
diff --git a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/LanguageModelProperties.java b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/LanguageModelProperties.java
index 5767df1..13e7412 100644
--- a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/LanguageModelProperties.java
+++ b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/LanguageModelProperties.java
@@ -14,6 +14,7 @@ record LanguageModelProperties(
         Integer maxRetries,
         Boolean logRequests,
         Boolean logResponses,
-        Map<String, String> customHeaders
+        Map<String, String> customHeaders,
+        Map<String, String> customQueryParams
 ) {
 }
\ No newline at end of file
diff --git a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ModerationModelProperties.java b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ModerationModelProperties.java
index 3935d93..9e6e905 100644
--- a/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ModerationModelProperties.java
+++ b/langchain4j-open-ai-spring-boot-starter/src/main/java/dev/langchain4j/openai/spring/ModerationModelProperties.java
@@ -13,6 +13,7 @@ record ModerationModelProperties(
         Integer maxRetries,
         Boolean logRequests,
         Boolean logResponses,
-        Map<String, String> customHeaders
+        Map<String, String> customHeaders,
+        Map<String, String> customQueryParams
 ) {
 }
\ No newline at end of file