Cycling through all six. Tap any point to stop.

Measured on six things

Dynamic QR code API for developers — mint, print, route, and observe. Change destinations without reprinting. Free tier + free no-signup generator.

Security

HTTPS enforced but security headers are nearly absent (3/12 checklist). No HSTS, CSP, or frame protection. SPF present but DMARC missing. No SOC 2 or audit evidence.

Screenshots

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QR.

About this app

QR. is the developer API for dynamic QR codes. Create codes over HTTP, export PNG/SVG/PDF, host edge short links on go.qrdot.dev, and change the destination anytime with a PATCH — no reprint. Compose one spine for most use cases: mint → print → live link → route → observe → brand. Edge rules cover device, country, time, password gates, and A/B. Scans fire signed webhooks without blocking the redirect. Official clients for Node, Python, Go, PHP, Ruby, plus a CLI. Free plan includes the full API (20 dynamic QRs/month, unlimited scans). There’s also a free no-signup generator at /create/ so anyone can try a living QR in seconds, then claim it into a dashboard and graduate to the API.

Key features

1Dynamic QR codes with PATCH re-routing — change destination without reprinting
2Edge routing rules: device, country, time, A/B, password gate
3Official SDKs for Node, Python, Go, PHP, Ruby, plus CLI and REST API

Target customer profile

Drawn from the product itself, not from a survey.

Demographic

Software developers (backend, full-stack) building products that require QR code generation and dynamic routing.

Pain points

Need dynamic QR codes but don't want to manage redirect servers or deal with static QR limitations.

Primary needs

Simple API, SDKs, edge routing rules, analytics, and the ability to PATCH destinations without reprinting.

Demographic

Marketing and growth teams in startups or SMBs that use QR codes for campaigns, print ads, and product packaging.

Pain points

Printing new QR codes for every campaign is costly and slow; they need to update destinations in real time based on performance.

Primary needs

Easy re-routing, A/B testing, analytics, and integration with marketing automation tools.

Demographic

Product managers and technical founders at companies with physical products or offline-to-online touchpoints.

Pain points

Need to change QR code destinations as products evolve or store listings change, without reprinting materials.

Primary needs

Reliability, custom domains for branding, lifecycle management (expire/max scans), and clear analytics.

Scout Review

Written by AI from measured evidence, scored out of 100.

QR. is a promising developer API for dynamic QR codes, offering a clean design and exceptional speed. The core value proposition — change destinations without reprinting — is compelling and well-communicated. The API spine (mint, print, route, observe, brand) is logical and backed by SDKs for major languages. However, security headers are weak, and the product is very new with no traction evidence. Accessibility is decent but not perfect. For developers needing dynamic QR with edge routing, this is a strong option, but they should weigh the security gaps and early-stage maturity.

Measure by measure

Usability

Clear API spine and docs structure. Free tier and no-signup generator are visible but understated. Slight CTA friction in hero. Onboarding is fast with SDKs and quickstart.

Design

Clean, modern developer-focused design with strong brand focal point. Consistent CTAs and scannable tabs. Minor issues: cookie banner intrusion and low-res QR preview.

Speed

Exceptional Lighthouse scores: 99/100 mobile, 100/100 desktop. LCP 2.2s, CLS 0.006, TBT 30ms. Site is lightweight and fast.

Security

HTTPS enforced but security headers are nearly absent (3/12 checklist). No HSTS, CSP, or frame protection. SPF present but DMARC missing. No SOC 2 or audit evidence.

Accessibility

Lighthouse accessibility 91/100 with two ARIA issues. No explicit WCAG statement but site is responsive and keyboard-navigable. English-only.

Growth

API-first dynamic QR with edge routing and PATCH re-routing is a clear wedge vs. static generators and less developer-centric incumbents. Category has headroom.

Improvement areas

Security headers: add HSTS, CSP, frame protection, and DMARC
Publish security certifications or audit evidence
Improve accessibility by fixing ARIA issues and adding WCAG statement

Design & Usability

QR. presents a clean, developer-focused design with a strong brand focal point in the green serif 'QR.' The hero is immediately clear about the value proposition: mint, print, route, and observe dynamic QR codes. The Design tab with code and visual preview is a nice touch, showing the product without scrolling. However, the cookie banner intrudes on the demo area, and the QR preview in the second image looks low-res, which is ironic for a QR product. Usability is solid: the API spine in docs is logical, and the free tier with no-signup generator lowers the barrier. But the two CTAs in the hero create slight friction, and the free tier is understated in small gray text. Overall, a well-executed landing page with minor polish issues.

Speed & Security

Speed is a clear win: Lighthouse scores of 99/100 mobile and 100/100 desktop with LCP 2.2s and CLS 0.006 are exceptional. The site is lightweight and fast, which is crucial for a developer tool. Security, however, is a weak spot. HTTPS is enforced, but the security header checklist is nearly empty (3/12). No HSTS, CSP, or frame protection. SPF is present but DMARC is missing. For a developer API handling potentially sensitive routing data, this is concerning. No SOC 2 or audit evidence is published. The signed webhooks and API key auth show some security awareness, but the baseline is thin. Developers will likely scrutinize this before adopting.

Accessibility & Growth

Accessibility is decent with a Lighthouse score of 91/100, but two ARIA issues remain. No explicit WCAG statement is published, and the site is English-only. The site is responsive and keyboard-navigable, which is good. Growth potential is promising: the API-first approach with edge routing and PATCH re-routing is a clear differentiator against static generators like QR Code Monkey and less developer-centric platforms like Bitly and Flowcode. The free tier with full API and no-signup generator lowers adoption barriers. The category has headroom as QR usage in print and packaging grows. However, the product is very new (domain registered 2026-08-06), so traction is unproven. The wedge is clear, but execution and market adoption remain to be seen.

Conclusion

QR. has the right idea and the technical chops to back it up. The speed is stellar, the design is clean, and the API is well-thought-out. But security headers need work, and the product needs to prove itself in the market. If you're a developer tired of static QR limitations, give it a try — the free tier is generous. Just keep an eye on security updates.

Suggestions for improvement

Add HSTS, CSP, and frame protection headers to improve security baseline.
Publish a SOC 2 or security whitepaper to build trust with enterprise developers.
Make the free tier and no-signup generator more prominent in the hero.
Fix the ARIA role issues and add an accessibility statement.

How we score

Alternatives comparison

Named competitors, point by point. Nobody paid to appear here or to be left out.

	QR.	QR Code Monkey	Bitly	Flowcode
Dynamic QR re-routing (PATCH)	Yes, PATCH /v1/qr/:id changes destination without reprint	No, static QR only; dynamic requires manual edit and reprint	Yes, via Bitly link management, but not API-first for QR	Yes, but less developer-centric
Edge routing rules (device, country, time, A/B)	Yes, built-in edge rules with first-match-wins	No, no routing rules	Limited, no device/country/time rules	Basic analytics, but no edge routing rules
API access and SDKs	Full REST API with SDKs for Node, Python, Go, PHP, Ruby, CLI	No API access	API available, but not QR-specific	Limited API, not developer-first
Free tier with full API	Yes, 20 dynamic QRs/month, unlimited scans, full API	Free static QR, dynamic requires paid plan	Free tier with limited features, QR not included	Free tier with limited features, API not included
Custom domains for branding	Yes, on Pro plan and above	No	Yes, on paid plans	Yes, on paid plans