diff --git a/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/api/OpenAiApi.java b/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/api/OpenAiApi.java
index f7e72246e97..3cf1ac29ea3 100644
--- a/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/api/OpenAiApi.java
+++ b/models/spring-ai-openai/src/main/java/org/springframework/ai/openai/api/OpenAiApi.java
@@ -132,6 +132,7 @@ public OpenAiApi(String baseUrl, ApiKey apiKey, MultiValueMap<String, String> he
 		// @formatter:off
 		Consumer<HttpHeaders> finalHeaders = h -> {
 			h.setContentType(MediaType.APPLICATION_JSON);
+			h.set("User-Agent", "spring-ai");
 			h.addAll(headers);
 		};
 		this.restClient = restClientBuilder.clone()