diff --git a/api_at/src/api_at/resources/public.crt b/api_at/src/api_at/resources/public.crt
new file mode 100644
index 000000000..3d8deb334
--- /dev/null
+++ b/api_at/src/api_at/resources/public.crt
@@ -0,0 +1,35 @@
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----