In April 2025, Probely announced that the Security Headers API will discontinued in April 2026. As far as we know, the free website service will remain available for the foreseeable future.

If you were using it for anything below, you now need an alternative:

CI/CD checks Automated estate scanning Compliance evidence Repeated audits without manual effort That’s why I am really excited to announce that alongside our existing services, we’ve released an endpoint to serve as a replacement for the Security Headers API.