diff --git a/pkg/nex/captcha.go b/pkg/nex/captcha.go
new file mode 100644
index 0000000..80a7b24
--- /dev/null
+++ b/pkg/nex/captcha.go
@@ -0,0 +1,19 @@
+package nex
+
+import (
+	"context"
+
+	"git.solsynth.dev/hypernet/nexus/pkg/proto"
+)
+
+func (v *Conn) ValidateCaptcha(token, ip string) bool {
+	client := proto.NewCaptchaServiceClient(v.nexusConn)
+	resp, err := client.CheckCaptcha(context.Background(), &proto.CheckCaptchaRequest{
+		Token:    token,
+		RemoteIp: ip,
+	})
+	if err != nil {
+		return false
+	}
+	return resp.GetIsValid()
+}