diff --git a/examples/chat_completion.rs b/examples/chat_completion.rs
index f5fd4a0a..f15b4e49 100644
--- a/examples/chat_completion.rs
+++ b/examples/chat_completion.rs
@@ -16,7 +16,8 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
     );
 
     let result = client.chat_completion(req)?;
-    println!("{:?}", result.choices[0].message.content);
+    println!("Content: {:?}", result.choices[0].message.content);
+    println!("Response Headers: {:?}", result.headers);
 
     Ok(())
 }
diff --git a/src/v1/api.rs b/src/v1/api.rs
index f188fb50..dd1e1129 100644
--- a/src/v1/api.rs
+++ b/src/v1/api.rs
@@ -175,7 +175,10 @@ impl Client {
         let res = self.post("/completions", &req)?;
         let r = res.json::<CompletionResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -184,7 +187,10 @@ impl Client {
         let res = self.post("/edits", &req)?;
         let r = res.json::<EditResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -196,7 +202,10 @@ impl Client {
         let res = self.post("/images/generations", &req)?;
         let r = res.json::<ImageGenerationResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -205,7 +214,10 @@ impl Client {
         let res = self.post("/images/edits", &req)?;
         let r = res.json::<ImageEditResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -217,7 +229,10 @@ impl Client {
         let res = self.post("/images/variations", &req)?;
         let r = res.json::<ImageVariationResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -226,7 +241,10 @@ impl Client {
         let res = self.post("/embeddings", &req)?;
         let r = res.json::<EmbeddingResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -235,7 +253,10 @@ impl Client {
         let res = self.get("/files")?;
         let r = res.json::<FileListResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -244,7 +265,10 @@ impl Client {
         let res = self.post("/files", &req)?;
         let r = res.json::<FileUploadResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -253,7 +277,10 @@ impl Client {
         let res = self.delete(&format!("{}/{}", "/files", req.file_id))?;
         let r = res.json::<FileDeleteResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -265,7 +292,10 @@ impl Client {
         let res = self.get(&format!("{}/{}", "/files", req.file_id))?;
         let r = res.json::<FileRetrieveResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -277,7 +307,10 @@ impl Client {
         let res = self.get(&format!("{}/{}/content", "/files", req.file_id))?;
         let r = res.json::<FileRetrieveContentResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -289,7 +322,10 @@ impl Client {
         let res = self.post("/chat/completions", &req)?;
         let r = res.json::<ChatCompletionResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -301,7 +337,10 @@ impl Client {
         let res = self.post("/audio/transcriptions", &req)?;
         let r = res.json::<AudioTranscriptionResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -313,7 +352,10 @@ impl Client {
         let res = self.post("/audio/translations", &req)?;
         let r = res.json::<AudioTranslationResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -348,7 +390,10 @@ impl Client {
                 })
             }
         }
-        Ok(AudioSpeechResponse { result: true })
+        Ok(AudioSpeechResponse {
+            result: true,
+            headers: Some(res.headers),
+        })
     }
 
     pub fn create_fine_tuning_job(
@@ -358,7 +403,10 @@ impl Client {
         let res = self.post("/fine_tuning/jobs", &req)?;
         let r = res.json::<FineTuningJobObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -369,7 +417,10 @@ impl Client {
         let res = self.get("/fine_tuning/jobs")?;
         let r = res.json::<FineTuningPagination<FineTuningJobObject>>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -384,7 +435,10 @@ impl Client {
         ))?;
         let r = res.json::<FineTuningPagination<FineTuningJobEvent>>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -396,7 +450,10 @@ impl Client {
         let res = self.get(&format!("/fine_tuning/jobs/{}", req.fine_tuning_job_id))?;
         let r = res.json::<FineTuningJobObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -411,7 +468,10 @@ impl Client {
         )?;
         let r = res.json::<FineTuningJobObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -423,7 +483,10 @@ impl Client {
         let res = self.post("/moderations", &req)?;
         let r = res.json::<CreateModerationResponse>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -432,7 +495,10 @@ impl Client {
         let res = self.post("/assistants", &req)?;
         let r = res.json::<AssistantObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -441,7 +507,10 @@ impl Client {
         let res = self.get(&format!("/assistants/{}", assistant_id))?;
         let r = res.json::<AssistantObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -454,7 +523,10 @@ impl Client {
         let res = self.post(&format!("/assistants/{}", assistant_id), &req)?;
         let r = res.json::<AssistantObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -463,7 +535,10 @@ impl Client {
         let res = self.delete(&format!("/assistants/{}", assistant_id))?;
         let r = res.json::<DeletionStatus>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -480,7 +555,10 @@ impl Client {
         let res = self.get(&url)?;
         let r = res.json::<ListAssistant>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -493,7 +571,10 @@ impl Client {
         let res = self.post(&format!("/assistants/{}/files", assistant_id), &req)?;
         let r = res.json::<AssistantFileObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -506,7 +587,10 @@ impl Client {
         let res = self.get(&format!("/assistants/{}/files/{}", assistant_id, file_id))?;
         let r = res.json::<AssistantFileObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -519,7 +603,10 @@ impl Client {
         let res = self.delete(&format!("/assistants/{}/files/{}", assistant_id, file_id))?;
         let r = res.json::<DeletionStatus>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -537,7 +624,10 @@ impl Client {
         let res = self.get(&url)?;
         let r = res.json::<ListAssistantFile>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -546,7 +636,10 @@ impl Client {
         let res = self.post("/threads", &req)?;
         let r = res.json::<ThreadObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -555,7 +648,10 @@ impl Client {
         let res = self.get(&format!("/threads/{}", thread_id))?;
         let r = res.json::<ThreadObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -568,7 +664,10 @@ impl Client {
         let res = self.post(&format!("/threads/{}", thread_id), &req)?;
         let r = res.json::<ThreadObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -577,7 +676,10 @@ impl Client {
         let res = self.delete(&format!("/threads/{}", thread_id))?;
         let r = res.json::<DeletionStatus>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -590,7 +692,10 @@ impl Client {
         let res = self.post(&format!("/threads/{}/messages", thread_id), &req)?;
         let r = res.json::<MessageObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -603,7 +708,10 @@ impl Client {
         let res = self.get(&format!("/threads/{}/messages/{}", thread_id, message_id))?;
         let r = res.json::<MessageObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -620,7 +728,10 @@ impl Client {
         )?;
         let r = res.json::<MessageObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -629,7 +740,10 @@ impl Client {
         let res = self.get(&format!("/threads/{}/messages", thread_id))?;
         let r = res.json::<ListMessage>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -646,7 +760,10 @@ impl Client {
         ))?;
         let r = res.json::<MessageFileObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -665,7 +782,10 @@ impl Client {
         let res = self.get(&url)?;
         let r = res.json::<ListMessageFile>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -678,7 +798,10 @@ impl Client {
         let res = self.post(&format!("/threads/{}/runs", thread_id), &req)?;
         let r = res.json::<RunObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -687,7 +810,10 @@ impl Client {
         let res = self.get(&format!("/threads/{}/runs/{}", thread_id, run_id))?;
         let r = res.json::<RunObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -701,7 +827,10 @@ impl Client {
         let res = self.post(&format!("/threads/{}/runs/{}", thread_id, run_id), &req)?;
         let r = res.json::<RunObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -719,7 +848,10 @@ impl Client {
         let res = self.get(&url)?;
         let r = res.json::<ListRun>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -732,7 +864,10 @@ impl Client {
         )?;
         let r = res.json::<RunObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -744,7 +879,10 @@ impl Client {
         let res = self.post("/threads/runs", &req)?;
         let r = res.json::<RunObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -761,7 +899,10 @@ impl Client {
         ))?;
         let r = res.json::<RunStepObject>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
@@ -780,7 +921,10 @@ impl Client {
         let res = self.get(&url)?;
         let r = res.json::<ListRunStep>();
         match r {
-            Ok(r) => Ok(r),
+            Ok(mut r) => {
+                r.headers = Some(res.headers);
+                Ok(r)
+            }
             Err(e) => Err(self.new_error(e)),
         }
     }
diff --git a/src/v1/assistant.rs b/src/v1/assistant.rs
index 2bdc6742..3b62b97c 100644
--- a/src/v1/assistant.rs
+++ b/src/v1/assistant.rs
@@ -59,6 +59,7 @@ pub struct AssistantObject {
     pub tools: Vec<HashMap<String, String>>,
     pub file_ids: Vec<String>,
     pub metadata: HashMap<String, String>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -66,12 +67,14 @@ pub struct DeletionStatus {
     pub id: String,
     pub object: String,
     pub deleted: bool,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
 pub struct ListAssistant {
     pub object: String,
     pub data: Vec<AssistantObject>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Serialize, Clone)]
@@ -85,10 +88,12 @@ pub struct AssistantFileObject {
     pub object: String,
     pub created_at: i64,
     pub assistant_id: String,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
 pub struct ListAssistantFile {
     pub object: String,
     pub data: Vec<AssistantFileObject>,
+    pub headers: Option<HashMap<String, String>>,
 }
diff --git a/src/v1/audio.rs b/src/v1/audio.rs
index 6daf36df..07e53bd6 100644
--- a/src/v1/audio.rs
+++ b/src/v1/audio.rs
@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use serde::{Deserialize, Serialize};
 
 use crate::impl_builder_methods;
@@ -42,6 +44,7 @@ impl_builder_methods!(
 #[derive(Debug, Deserialize, Serialize)]
 pub struct AudioTranscriptionResponse {
     pub text: String,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Serialize, Clone)]
@@ -78,6 +81,7 @@ impl_builder_methods!(
 #[derive(Debug, Deserialize, Serialize)]
 pub struct AudioTranslationResponse {
     pub text: String,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 pub const TTS_1: &str = "tts-1";
@@ -114,4 +118,5 @@ impl_builder_methods!(AudioSpeechRequest,);
 #[derive(Debug, Deserialize, Serialize)]
 pub struct AudioSpeechResponse {
     pub result: bool,
+    pub headers: Option<HashMap<String, String>>,
 }
diff --git a/src/v1/chat_completion.rs b/src/v1/chat_completion.rs
index 7f1dda70..cf94c8bd 100644
--- a/src/v1/chat_completion.rs
+++ b/src/v1/chat_completion.rs
@@ -175,6 +175,7 @@ pub struct ChatCompletionResponse {
     pub choices: Vec<ChatCompletionChoice>,
     pub usage: common::Usage,
     pub system_fingerprint: Option<String>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize, Clone, PartialEq, Eq)]
diff --git a/src/v1/completion.rs b/src/v1/completion.rs
index a5adeafc..c4d347f8 100644
--- a/src/v1/completion.rs
+++ b/src/v1/completion.rs
@@ -117,4 +117,5 @@ pub struct CompletionResponse {
     pub model: String,
     pub choices: Vec<CompletionChoice>,
     pub usage: common::Usage,
+    pub headers: Option<HashMap<String, String>>,
 }
diff --git a/src/v1/edit.rs b/src/v1/edit.rs
index 18cf3834..c47ab014 100644
--- a/src/v1/edit.rs
+++ b/src/v1/edit.rs
@@ -1,4 +1,5 @@
 use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
 use std::option::Option;
 
 use crate::impl_builder_methods;
@@ -51,4 +52,5 @@ pub struct EditResponse {
     pub created: i64,
     pub usage: common::Usage,
     pub choices: Vec<EditChoice>,
+    pub headers: Option<HashMap<String, String>>,
 }
diff --git a/src/v1/embedding.rs b/src/v1/embedding.rs
index ea114142..4abd41fc 100644
--- a/src/v1/embedding.rs
+++ b/src/v1/embedding.rs
@@ -1,4 +1,5 @@
 use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
 use std::option::Option;
 
 use crate::impl_builder_methods;
@@ -42,6 +43,7 @@ pub struct EmbeddingResponse {
     pub data: Vec<EmbeddingData>,
     pub model: String,
     pub usage: Usage,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
diff --git a/src/v1/file.rs b/src/v1/file.rs
index 248b2f73..4bf1c7eb 100644
--- a/src/v1/file.rs
+++ b/src/v1/file.rs
@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -14,6 +16,7 @@ pub struct FileData {
 pub struct FileListResponse {
     pub object: String,
     pub data: Vec<FileData>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Serialize)]
@@ -36,6 +39,7 @@ pub struct FileUploadResponse {
     pub created_at: i64,
     pub filename: String,
     pub purpose: String,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Serialize)]
@@ -54,6 +58,7 @@ pub struct FileDeleteResponse {
     pub id: String,
     pub oejct: String,
     pub delete: bool,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Serialize)]
@@ -75,6 +80,7 @@ pub struct FileRetrieveResponse {
     pub created_at: i64,
     pub filename: String,
     pub purpose: String,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Serialize)]
@@ -96,4 +102,5 @@ pub struct FileRetrieveContentResponse {
     pub created_at: i64,
     pub filename: String,
     pub purpose: String,
+    pub headers: Option<HashMap<String, String>>,
 }
diff --git a/src/v1/fine_tuning.rs b/src/v1/fine_tuning.rs
index 8d696f94..8408a9d7 100644
--- a/src/v1/fine_tuning.rs
+++ b/src/v1/fine_tuning.rs
@@ -1,4 +1,5 @@
 use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
 
 use crate::impl_builder_methods;
 
@@ -98,6 +99,7 @@ pub struct FineTuningPagination<T> {
     pub object: String,
     pub data: Vec<T>,
     pub has_more: bool,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -116,6 +118,7 @@ pub struct FineTuningJobObject {
     pub trained_tokens: Option<i64>,
     pub training_file: String,
     pub validation_file: Option<String>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
diff --git a/src/v1/image.rs b/src/v1/image.rs
index 54e8288f..896b30a0 100644
--- a/src/v1/image.rs
+++ b/src/v1/image.rs
@@ -1,4 +1,5 @@
 use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
 use std::option::Option;
 
 use crate::impl_builder_methods;
@@ -49,6 +50,7 @@ impl_builder_methods!(
 pub struct ImageGenerationResponse {
     pub created: i64,
     pub data: Vec<ImageData>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Serialize, Clone)]
@@ -98,6 +100,7 @@ impl_builder_methods!(
 pub struct ImageEditResponse {
     pub created: i64,
     pub data: Vec<ImageData>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Serialize, Clone)]
@@ -141,4 +144,5 @@ impl_builder_methods!(
 pub struct ImageVariationResponse {
     pub created: i64,
     pub data: Vec<ImageData>,
+    pub headers: Option<HashMap<String, String>>,
 }
diff --git a/src/v1/message.rs b/src/v1/message.rs
index 9e2d81d4..7942dd5e 100644
--- a/src/v1/message.rs
+++ b/src/v1/message.rs
@@ -67,6 +67,7 @@ pub struct MessageObject {
     pub run_id: Option<String>,
     pub file_ids: Vec<String>,
     pub metadata: HashMap<String, String>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize, Clone, PartialEq, Eq)]
@@ -98,6 +99,7 @@ pub struct ListMessage {
     pub first_id: String,
     pub last_id: String,
     pub has_more: bool,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -106,6 +108,7 @@ pub struct MessageFileObject {
     pub object: String,
     pub created_at: i64,
     pub message_id: String,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -115,4 +118,5 @@ pub struct ListMessageFile {
     pub first_id: String,
     pub last_id: String,
     pub has_more: bool,
+    pub headers: Option<HashMap<String, String>>,
 }
diff --git a/src/v1/moderation.rs b/src/v1/moderation.rs
index 69acece0..b4989ebc 100644
--- a/src/v1/moderation.rs
+++ b/src/v1/moderation.rs
@@ -1,4 +1,5 @@
 use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
 
 use crate::impl_builder_methods;
 
@@ -25,6 +26,7 @@ pub struct CreateModerationResponse {
     pub id: String,
     pub model: String,
     pub results: Vec<ModerationResult>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
diff --git a/src/v1/run.rs b/src/v1/run.rs
index 3bcb0879..392bc5ed 100644
--- a/src/v1/run.rs
+++ b/src/v1/run.rs
@@ -87,6 +87,7 @@ pub struct RunObject {
     pub tools: Vec<HashMap<String, String>>,
     pub file_ids: Vec<String>,
     pub metadata: HashMap<String, String>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize)]
@@ -96,6 +97,7 @@ pub struct ListRun {
     pub first_id: String,
     pub last_id: String,
     pub has_more: bool,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Serialize, Clone)]
@@ -138,6 +140,7 @@ pub struct RunStepObject {
     #[serde(skip_serializing_if = "Option::is_none")]
     pub completed_at: Option<i64>,
     pub metadata: HashMap<String, String>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize, Clone)]
@@ -147,4 +150,5 @@ pub struct ListRunStep {
     pub first_id: String,
     pub last_id: String,
     pub has_more: bool,
+    pub headers: Option<HashMap<String, String>>,
 }
diff --git a/src/v1/thread.rs b/src/v1/thread.rs
index 7fa60081..cd591cd3 100644
--- a/src/v1/thread.rs
+++ b/src/v1/thread.rs
@@ -38,6 +38,7 @@ pub struct ThreadObject {
     pub object: String,
     pub created_at: i64,
     pub metadata: HashMap<String, String>,
+    pub headers: Option<HashMap<String, String>>,
 }
 
 #[derive(Debug, Deserialize, Serialize, Clone)]