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Confirm this address as your new Nythra sign-in email.

This also signs out older Nythra sessions. Existing watch alerts and Stripe receipts remain unchanged.
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Watches

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Since checks run on a schedule, trigger one now so you see Nythra in action.

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Add your first URL to start monitoring for changes. Email alerts are included.

Settings

Current plan

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0 / 0Checks used
0 BPage data measured
0Alerts delivered
0 / 0Change emails used
0 / 0Change webhooks used
0 / 0Managed browser checks

Monthly operations

Private workload visibility for the current month. Use this to identify unusual account activity before it affects capacity or cost.

Test access expires automatically and can be extended by granting it again.

Active test access

Private, time-ordered grants currently consuming Pro capacity. Revocation does not change Stripe billing.

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0Active accounts
0Paid Pro accounts
0Active test grants
0Free accounts
0Checks
0 BPage data measured
0Alerts delivered
0Managed browser checks
0Browserless units charged
—Observed units per managed check
—Planned units per managed check
0Unit-backed request capacity
0Planned unit headroom
0Managed successes this month
0Local-agent successes
0Managed access issues this month
0Managed successes in 24 hours
0Managed access issues in 24 hours
—Provider success rate in 24 hours

Launch readiness

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Highest page-data usage

API Key

Personal API keys are stored as one-way hashes and displayed only once.

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Connected browser

Monitor customer-authorized pages through Chrome on your computer, including signed-in pages you are permitted to access. Nythra receives only the configured monitoring results; cookies and passwords never leave your device.

Checking…Managed browser fallback
Checking…Chrome Connector
Install once. No terminal required.

Add the connector to Chrome, select Connect to Nythra, and approve the request here.

Add to Chrome
Connected Chrome profiles
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Multi-watch status hub

Publish one privacy-safe page for several services. Only the labels and bounded availability metrics below are public.

Disabling immediately removes public access; republishing rotates the private link.
Published components Choose up to 20 owned watches and give each a public label.
Multi-watch status hubs are included with Pro.
Open public hub

Watch configuration backups

Download a portable JSON backup or restore watches through the same validation and plan limits as a new watch. Alert destinations, signing secrets, public links, maintenance dates, baselines, and history are never included.

The file contains watched URLs and monitoring rules. Store it privately even though Nythra alert credentials are excluded.

Account

Manage your sign-in address, session, or a private copy of your account activity and watch configuration.

Profile
Shown only inside your private Nythra account. Clear it to remove the stored name.
Sign-in email

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Confirmation goes to the new address and expires after 24 hours. This changes sign-in and future default alert destinations; existing watch destinations and Stripe billing receipts stay unchanged.

Account security

Protect sign-in with an authenticator app, manage recovery access, or change your password.

Two-factor authentication Checking status...
Off

Scan this QR code with your authenticator app. If you cannot scan it, enter the setup key manually.

Authenticator setup QR code
Manual setup key
Save your recovery codes now

Each code works once. Store them in a password manager; Nythra cannot show them again.

Replace lost or exposed recovery codes. This signs out other sessions and invalidates every previous recovery code.

Signed-in devices

Review active browser sessions and remove access you no longer recognize. Nythra stores only a general browser and operating-system label, never the IP address or full browser fingerprint.

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Enter your current password below before signing out one browser or every other browser.

Use at least 10 characters.
Recent security notices

Delivery evidence for account-security emails. Monitoring alerts are shown separately under Alerts.

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Delete account

Permanently remove your watches, retained history, status pages, usage records, and account data. Export your data first if you need a copy. An active or unresolved Pro subscription must fully end before deletion.

Notification Preferences

Choose channels, alert types, and delivery timing. Checks, baselines, and history continue when an alert type is disabled.

Send enabled watch alerts to each configured alert address
Send enabled watch alerts to each configured webhook
Webhook alerts are included with Pro.
Alert types Apply these categories to both enabled channels.
Notify when monitored content satisfies a watch's change rules
Notify when a confirmed availability incident opens or closes
Notify about SSL, domain expiration, redirect, and DNS events
Notify when a configured response-time threshold is exceeded or recovers
Reports Periodic summaries are independent of alert categories.
Email a privacy-safe availability and change summary every Monday at 09:00 UTC
Weekly monitoring reports are included with Pro.

Monitor

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Content hash

No checks yet

Run a check to see the result here. Results include the fetch status, content hash, and whether a change was detected.

No changes detected

Changes will appear here when the watch detects a difference from the baseline content.

No alert deliveries

Email and webhook outcomes for changes and monitoring incidents will appear here.

Select a watch

Choose a watch from the dropdown above to see its check history, detected changes, and alert delivery status.

Alert History

0 delivered 0 retrying 0 failed
Timestamp Watch Channel Status Response Diff Preview

No alerts yet

When a watch sends an email or webhook alert, the delivery record will appear here.

Add Watch

Review the copied monitoring rules before creating this watch. Alert email uses your account default; webhooks, signing secrets, public links, and maintenance dates are not copied.
1What would you like to monitor?
Choose the closest goal. You can fine-tune it below.
Nythra compares the exact public file up to 5 MB using a private fingerprint. The file itself is never stored. This detects byte-level file changes, not edits to individual words inside a document, and uses no managed-browser credits.
Nythra extracts stable entries from a public RSS feed, Atom feed, JSON Feed, XML sitemap, or sitemap index up to 5 MB. It alerts only when new entries or URLs appear, ignores ordering and sitemap metadata changes, and uses no managed-browser credits.
Or describe what you wantAI will prepare a proposal for you to review.
Nythra starts with the fastest method and can use a browser session when the page requires one.
Use this only when important content appears after the page finishes loading.
Off by default for privacy. Enable only if you want Nythra to retain a bounded screenshot.
Separate tags with commas. Maximum 10 tags, 32 characters each.
Advanced settings

Optional controls for page targeting, APIs, schedules, webhooks, and public status pages.

Monitor precise regions instead of the entire page.
Requires a Page area selector. Leave blank to monitor its visible text.
Monitor up to 10 page areas together. Additional areas use visible text.
Remove up to 20 noisy elements before comparing the page.
Each action loads the page once and counts toward your monthly checks.
Choose the page areaClick the exact text or element you want Nythra to monitor.
Static, script-free rendering of the monitored page 

          
        

      

      

        
        
        For JSON/API endpoints. Use this instead of a Page area selector.
      

      

        
        
        One field per line: label | JSON Pointer | auto, string, number, or boolean. Maximum 10.
      

      

        
        Track title, meta description, canonical URL, and robots directives independently of visible page text.
      

      

        
        Track six target response headers independently of page content. This detects configuration changes; it is not a vulnerability scan.
      

      

        
        
      

      

        
        
        Checks continue, but notifications are muted during the window.
      

      

        
        
      

      

        
        
        Disabled by default. The monitored URL and page content are never shown.
        Open current status page
      

      

        
        
        
      

      

        
        
        Start this watch around this time in your time zone. Checks still use the selected interval and may be spread slightly for reliability.
      

      

        

          
          Skip Saturday and Sunday checks.
        

        
      

      

        
        
        
      

      

        
        
        Adds an HMAC-SHA256 signature so your receiver can verify every delivery.
        
      

      

      

        
        
        Defaults to your account email. Turn off email alerts for all watches in Settings.
      

      

      

        
        
        Choose the condition that should create an alert.
      

      

        
        
        The match is case-insensitive and must transition from absent to present, or present to absent.
      

      

        
        
        Nythra alerts when the detected price crosses from at or above this amount to below it.
      

      

        
        
        Leave blank for any amount, or require the detected price to move by at least this percentage.
      

      

        

          
          Uses the latest complete retained Before and After versions. No new page check or usage.
        

        

          
          
          
        

      

      

        
        
        One phrase per line. Nythra will compare only matching lines; all other page text is excluded.
      

      

        
        
        One phrase per line. Matching lines are excluded before comparison.
      

      

      

        
        
      

      

        
        
        Use 0 to turn this off. Percentage sensitivity is included with Pro; both thresholds must pass.
      

      

        
        
        Immediate alerts are included with Free. Pro can require repeated matching results to reduce transient false positives.
      

      

        
        
        Free confirms outages after two failed checks. Pro can choose a faster or more conservative threshold.
      

      

        
        
        Pro can open an incident after two consecutive successful checks exceed this response time, then notify again on recovery.
      

      

        
        
        Pro can open an incident after two consecutive full HTML responses exceed this many KB. Conditional 304 checks do not affect the incident.
      

      

        
3Review your watch

        
Nythra will check every 12 hours for meaningful changes anywhere on the page and notify you by email.

      

      

        
        
      

    

  









  

    
Change History

    

      
      
    

  

  

    
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Visual evidence

        
Use the full-size view to inspect the captured page.

      

      

        
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Connect Nythra to Chrome?

    
Checking this one-time connection request…

    

      
      
    

    
The connector can read only pages Nythra checks. Your cookies, saved passwords, and browsing history are never sent to Nythra.

    

      
      
      
    

  







  

    

      
    

    
Delete watch?

    
This action cannot be undone. The watch and its change history will be permanently removed.

    

      
      
    

  







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