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API Error Debugger

Detect and group failing API requests directly in Chrome. Debug 401, 403, network and auth issues without digging through DevTools.

Developer Tools

Added April 28, 2026 · Last analysed April 28, 2026 · via · 70% unique tagline

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Screenshot of API Error Debugger

StackScope is a free public catalogue of indie launches. We find launches on Product Hunt, Hacker News and similar feeds, then crawl each site to detect its tech stack and score it for launch readiness: DNS, security headers, SEO basics. This page is what we saw on 28 April 2026; the live site may have changed since.

API Error Debugger is early-stage. Main gaps: missing several security headers, incomplete legal pages, and no robots.txt or sitemap.

Launched on Product Hunt on April 28, 2026. The site is hosted on HETZNER-AS in Germany, with a domain registered 4 months before launch. We've detected 3 technologies on this site, covering analytics, os, and servers. The stack includes Google Analytics, nginx, and Ubuntu.

If you own this site, refresh the snapshot and see the full fix list any time →

2.9
StackScope Score
Poor
100/100 Launch Readiness
Launch ready
0/6 Security Headers
Poor
0/3 Legal
Missing
0/2 Crawl files
Missing
Vibe Score 13 · Few AI signals
How much the site looks AI-generated. Informational pattern-match signal, not a verdict. Does not feed the StackScope Score. See which fingerprints fired →

Tech Stack (3)

Infrastructure
OS Ubuntu (2)
Server nginx (2)
Analytics & Marketing
Analytics Google Analytics (3)

Infrastructure

Network
HETZNER-AS, DE
AS24940 · DE
DNSSEC
Not enabled
DNS responses unsigned. Cache-poisoning vulnerable.
SSL Certificate
Let's Encrypt
Valid 19 Apr 2026 to 18 Jul 2026
Certificate as captured in this snapshot, not a live check.
Domain Age
7 months
Registered Dec 2025 · Regional Network Information Center, JSC dba RU-CENTER

Email Security

✓
SPF ~all (via apex soft-core.dev) Soft-fail (~all). Common and accepted.
?
DKIM Not detected at common selectors. Your provider may use a custom one.
✗
DMARC Not published. Receivers fall back to permissive defaults.
?
MTA-STS Not deployed. Mail to your domain can be downgraded to plaintext en route.
?
TLS-RPT Not configured. You won't hear about silent SMTP TLS handshake failures.

Storage (2)

Cookies (2)
NameLifetimeDetected as
_ga 1y Google Analytics
_ga_D9QJT2M0XC 1y Google Analytics

Readiness Breakdown How?

✓ Custom title and meta description
✓ Open Graph tags (title, image, description)
✓ Twitter card meta tags
✓ Canonical URL declared
✓ Responsive viewport meta tag
✓ Favicon present
✓ Semantic HTML (nav, main, article)
⚠
Page title is 88 characters (advisory) Google only shows about 60 characters of the title in search results; aim for 50–60 to keep the whole thing visible.
⚠
Meta description is 169 characters (advisory) Google only shows about 155–160 characters of the description in desktop search results (less on mobile); anything past that won't appear.

Vibe Score Breakdown How?

SignalPoints
AI iconography signals +3
AI code-structure signals +10

This score is based on structural patterns and is not definitive. Many legitimate sites may trigger signals, and AI-built sites may go undetected. It should be treated as an indicator, not a verdict.

AI Stance

No AI stance declared
✗ llms.txt published
✓ No AI bots blocked in robots.txt
Content-Signal
? No directive declared
Link headers
? None advertised

Well-Known Files

✗ robots.txt
✗ sitemap.xml
✗ security.txt
✗ llms.txt
✗ ads.txt
✗ humans.txt

Legal

? Privacy Policy not detected
? Terms of Service not detected
? Consent manager not detected
Analytics set tracking cookies on our visit, with no opt-in step.
Detection works best on English language sites.

Security Headers (0/6)

✗
Referrer-Policy
✗
X-Frame-Options
✗
Permissions-Policy experimental (check browser support)
✗
X-Content-Type-Options
✗
Content-Security-Policy
✗
Strict-Transport-Security
–
X-XSS-Protection deprecated (use Content-Security-Policy)

Performance

191ms response time
Faster than 73% of sites
2 third-party domains loaded

Build

2 JS files
1 CSS files
2 Third-party domains

Brand Colours

Something not look right? If a technology shown here is wrong or out of date, email [email protected] and we'll review it.