diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 A simple Go service to generate and email reports on a schedule.
 
+# Dependencies
+This depends on https://github.com/jhonderson/actual-http-api to provide the API. Setup instructions can be found on that repo.
+
 # Installation (NixOS)
 If you're using NixOS we provide a simple flake module: