diff --git a/link.md b/link.md
index 1eccb62..dffbe53 100644
--- a/link.md
+++ b/link.md
@@ -32,4 +32,5 @@
 
 ## api
 
-voice-chatgpt : https://www.youtube.com/watch?v=xBs-nXzXwoM
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+- varest : https://blueprintue.com/blueprint/i95n84w5/
+- http helper + jsonparser : https://blueprintue.com/blueprint/mb0s7e_a/
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