Documentation

How can we help?

Guides, references and everything you need to get the most out of Guardr.

Getting Started

Add your first site, set up alerts and understand your health score in under 5 minutes.

Reports

Weekly summaries, PDF reports, shareable scan links and before/after comparisons.

Status Pages

Publish a page your customers can check: components, incidents, maintenance windows, branding and private links.

Audit Log

Every change made to your account, with who made it and how it reached us. Filters, search, CSV export and ninety days of history.

API Reference

Scan sites, manage your monitored domains and automate checks via the Guardr REST API.

MCP Endpoint

Let Claude Code or Cursor run a Guardr check, list the sites you watch and read one site without leaving the editor.

Popular topics

What does my health grade mean?
Getting Started
How do I fix a missing HSTS header?
Blog
How to generate a PDF report
Reports
How does uptime monitoring work?
Getting Started
Migrate from SecurityHeaders.com API
API
Set up webhook alerts
Getting Started
Upload a branded logo to PDF reports
Reports
Add and remove sites via API
API
Bulk scan multiple domains
API
Generate and revoke API keys
API
Use Guardr from Claude Code or Cursor
MCP
Publish a status page
Status Pages
Why can I not rename a published status page?
Status Pages
Share a status page privately
Status Pages
Subscribe readers to incident emails
Status Pages

Feature availability by plan

There are two plans. Free runs one site. All sites runs your free site plus each site you pay for, at $3.00 per month for each site after the free one, so a paid count of N allows N + 1 active sites. Scans, uptime checks and history are the same on both.

Feature Free All sites
Scans and grades
Downtime & recovery alerts
Grade-drop & SSL expiry alerts
Uptime monitoring
Site groups
PDF reports
Before/after scan compare
Branded PDF reports
Webhook alerts
Status pages
Private status pages
Audit Log
API access - read results
API access - on-demand scans
API access - site management

Status page allowance: 3 per site on every plan, public or private. Free has one site, so 3 pages; All sites scales with your free site plus each site you pay for. See status pages →

API access is available on both plans, with one shared scan quota: a key can trigger one scan per domain every 6 hours. A key on either plan reads full results, fix instructions included. See API plan limits →

Each feature name links to its documentation. See full pricing →

Email support

Cannot find what you need? Reach out directly - typically replies within 24 hours.

Blog & guides

Deep dives into fixing specific headers, understanding DNS configuration and more.