diff --git a/CLAUDE.md b/CLAUDE.md
index 5a3c317..8fc8e35 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -91,6 +91,8 @@ When editing CLAUDE.md or other markdown files, follow these rules to avoid lint
 
 ### 2026-01-22 - Version 0.0.1
 
+**Completed:**
+
 - Initialized composer project of type `library`
 - Configured package metadata (name, description, license, author)
 - Set up PSR-4 autoloading for `Magdev\WcLicensedProductClient` namespace
@@ -99,3 +101,9 @@ When editing CLAUDE.md or other markdown files, follow these rules to avoid lint
 - Added README.md, CHANGELOG.md, and .gitignore
 - Initialized git repository on `dev` branch
 - Pushed initial commit to origin
+
+**Learnings:**
+
+- OpenAPI spec (tmp/openapi.json) defines 3 POST endpoints: `/validate`, `/status`, `/activate`
+- API base path: `{baseUrl}/wp-json/wc-licensed-product/v1`
+- Git remote configured via SSH: `ssh://git@src.bundespruefstelle.ch:2022/magdev/wc-licensed-product-client.git`