```
gh api \
--method PUT \
-H "Accept: application/vnd.github+json" \
-H "X-GitHub-Api-Version: 2022-11-28" \
/notifications \
-f 'last_read_at=2025-10-01T00:00:00Z' -F "read=true"
```
```
gh api \
--method PUT \
-H "Accept: application/vnd.github+json" \
-H "X-GitHub-Api-Version: 2022-11-28" \
/notifications \
-f 'last_read_at=2025-10-01T00:00:00Z' -F "read=true"
```