diff --git a/snapshots/anthropic/api-release-notes.md b/snapshots/anthropic/api-release-notes.md
index 9ba16fe..15898f2 100644
--- a/snapshots/anthropic/api-release-notes.md
+++ b/snapshots/anthropic/api-release-notes.md
@@ -5,4 +5,11 @@ For release notes on Claude Apps, see the Release notes for Claude Apps in the C
 For updates to Claude Code, see the complete CHANGELOG.md in the `claude-code` repository.
 
+### May 6, 2026
+
+- Multiagent sessions and Outcomes are now in public beta under the standard `managed-agents-2026-04-01` beta header.
+- Vault credential background refresh is now supported for `mcp_oauth` credentials. See Authenticate with vaults.
+- Webhooks for Claude Managed Agents are now supported. Webhook event types include session and vault lifecycle events. See Subscribe to webhooks.
+- Additional filtering and sorting options are now supported. Sessions can be filtered by status, and events can be filtered by type. Events can now be filtered by creation time.
+
 ### April 30, 2026