diff --git a/CHANGELOG.md b/CHANGELOG.md
index b63e789..747766a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -28,4 +28,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Pydantic schemas for proxy domain
 - Proxy query endpoint with filtering by status, protocol, anonymity, country, score, latency, uptime
 - Sorting and pagination for proxy listings
-- Proxy service layer with upsert and query functions
\ No newline at end of file
+- Proxy service layer with upsert and query functions
+- User registration with API key generation
+- API key authentication via Bearer token
+- Credit ledger with balance queries
+- API key management (create, list, revoke)
+- Account info and credit history endpoints
\ No newline at end of file