diff --git a/chat_test.go b/chat_test.go
index 52cd0bdef..011c533f6 100644
--- a/chat_test.go
+++ b/chat_test.go
@@ -17,10 +17,20 @@ import (
 )
 
 const (
-	xCustomHeader      = "X-CUSTOM-HEADER"
+	xCustomHeader      = ""
 	xCustomHeaderValue = "test"
 )
 
+var testHttpHeaders = map[string]string{
+	"X-CUSTOM-HEADER":                "test",
+	"x-ratelimit-limit-requests":     "3000",
+	"x-ratelimit-limit-tokens":       "250000",
+	"x-ratelimit-remaining-requests": "2999",
+	"x-ratelimit-remaining-tokens":   "249999",
+	"x-ratelimit-reset-requests":     "20ms",
+	"x-ratelimit-reset-tokens":       "1ms",
+}
+
 func TestChatCompletionsWrongModel(t *testing.T) {
 	config := DefaultConfig("whatever")
 	config.BaseURL = "http://localhost/v1"
@@ -90,9 +100,36 @@ func TestChatCompletionsWithHeaders(t *testing.T) {
 	})
 	checks.NoError(t, err, "CreateChatCompletion error")
 
-	a := resp.Header().Get(xCustomHeader)
-	_ = a
-	if resp.Header().Get(xCustomHeader) != xCustomHeaderValue {
+	if resp.RatelimitLimitRequests() != testHttpHeaders["x-ratelimit-limit-requests"] {
+		t.Errorf("expected header %s to be %s", "x-ratelimit-limit-requests",
+			testHttpHeaders["x-ratelimit-limit-requests"])
+	}
+
+	if resp.RatelimitLimitTokens() != testHttpHeaders["x-ratelimit-limit-tokens"] {
+		t.Errorf("expected header %s to be %s", "x-ratelimit-limit-tokens",
+			testHttpHeaders["x-ratelimit-limit-tokens"])
+	}
+
+	if resp.RatelimitRemainingRequests() != testHttpHeaders["x-ratelimit-remaining-requests"] {
+		t.Errorf("expected header %s to be %s", "x-ratelimit-remaining-requests",
+			testHttpHeaders["x-ratelimit-remaining-requests"])
+	}
+
+	if resp.RatelimitRemainingTokens() != testHttpHeaders["x-ratelimit-remaining-tokens"] {
+		t.Errorf("expected header %s to be %s", "x-ratelimit-remaining-tokens",
+			testHttpHeaders["x-ratelimit-remaining-tokens"])
+	}
+
+	if resp.RatelimitResetRequests() != testHttpHeaders["x-ratelimit-reset-requests"] {
+		t.Errorf("expected header %s to be %s", "x-ratelimit-reset-requests",
+			testHttpHeaders["x-ratelimit-reset-requests"])
+	}
+
+	if resp.RatelimitResetTokens() != testHttpHeaders["x-ratelimit-reset-tokens"] {
+		t.Errorf("expected header %s to be %s", "x-ratelimit-reset-tokens", testHttpHeaders["x-ratelimit-reset-tokens"])
+	}
+
+	if resp.Header().Get("x-custom-header") != xCustomHeaderValue {
 		t.Errorf("expected header %s to be %s", xCustomHeader, xCustomHeaderValue)
 	}
 }
@@ -310,7 +347,10 @@ func handleChatCompletionEndpoint(w http.ResponseWriter, r *http.Request) {
 		TotalTokens:      inputTokens + completionTokens,
 	}
 	resBytes, _ = json.Marshal(res)
-	w.Header().Set(xCustomHeader, xCustomHeaderValue)
+	// set test headers
+	for k, v := range testHttpHeaders {
+		w.Header().Set(k, v)
+	}
 	fmt.Fprintln(w, string(resBytes))
 }