Grevlo icon
Grevlo icon

Grevlo

Grevlo is a headless REST API for web agencies managing website maintenance retainers. Send a client URL, get back a fully branded white-label PDF report covering uptime, PageSpeed and SSL certificate status — automatically, every month.

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Cost / License

  • Subscription
  • Proprietary

Platforms

  • Online
  • Software as a Service (SaaS)
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Features

  1.  Website Monitoring
  2.  Ad-free
  3.  Command line interface
  4.  Reporting
  5.  SSL
  6.  Uptime Monitoring
  7.  Performance Monitoring

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Grevlo information

  • Developed by

    GB flagGrevlo Ltd

  • Licensing

    Proprietary and Commercial product.

  • Pricing

    Subscription ranging between $62 and $125 per month.

  • Alternatives

    1 alternatives listed

  • Supported Languages

    • English

AlternativeTo Categories

Network & Admin, OS & Utilities, Development

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What is Grevlo?

Grevlo is a headless REST API for web agencies managing website maintenance retainers. Send a client URL, get back a fully branded white-label PDF report covering uptime, PageSpeed and SSL certificate status — automatically, every month.

Unlike dashboard tools such as AgencyAnalytics, DashThis or Swydo, Grevlo was built specifically for web development and maintenance agencies rather than marketing agencies. None of the major reporting platforms natively monitor whether a client site was actually available last month, run a live Lighthouse audit, or track SSL certificate expiry.

HOW IT WORKS

One API call generates a complete, branded PDF:

  1. Set up your agency branding once — logo, colours, contact details
  2. POST your client's URL to the Grevlo API
  3. Receive a fully branded PDF with your agency's identity throughout

WHAT THE REPORT INCLUDES

  • 30-day uptime log with availability percentage from real monitoring data
  • Mobile and desktop PageSpeed scores from a live Google Lighthouse audit
  • Core Web Vitals — LCP, CLS, Total Blocking Time
  • Specific Lighthouse fix recommendations showing exact files causing performance issues and estimated time savings
  • SSL certificate validity, expiry date and days remaining
  • Agency notes field for adding context about work completed that month
  • Your logo, colours and contact details on every page — clients see your brand, not Grevlo's

WHAT MAKES IT DIFFERENT

No dashboard. No manual task checklist. No per-client fees. No data sources to configure.

Standard uptime monitors check whether your server responds, not whether the page actually works. Grevlo runs a live Lighthouse audit that renders the page and measures real user experience. A site can show 100% uptime from a ping monitor while the homepage is a blank white screen.

As of March 2026, SSL certificates can no longer exceed 200 days. By 2029 the limit reaches 47 days. Grevlo shows SSL expiry and days remaining on every monthly report.

PRICING

Flat rate — no scaling penalty as you grow:

Starter: $62/month — up to 15 client domains Standard: $125/month — unlimited domains

Free demo available — no signup required.

FOUNDING PARTNER PROGRAMME

5 spots available for web agencies:

  • 3 months free access
  • Permanent rate lock at chosen tier
  • Concierge onboarding included
  • Direct input into the product roadmap

Official Links