| What it does | Dynamic QR codes you can edit after printing, starting free with no signup required
| Open-source tool that turns an OpenAPI spec or schema into a local, runnable twin
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| Stage | Not given
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| Founded | Not given
| 2023
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| Based in | US
| US
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| Pricing model | Freemium
| Open source
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| Pricing | Not given
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| Key features | - Create static and dynamic QR codes for URLs, Wi-Fi, contact cards, email, phone, SMS and more
- No signup required to generate and download codes
- Customize colors, frames, shapes and optional icons
- Download as PNG for screens or SVG for print
- Edit destination of dynamic codes after printing
- Scan analytics with device, location, referrer and time-of-day breakdown
- Embed your logo in the middle of QR codes
- Custom domain for QR code links (go.yourbrand.com/menu format)
- Bulk generation from CSV or Google Sheets add-on
- MCP server integration with Claude, ChatGPT and Cursor
| - REST API twin generation from OpenAPI spec
- Postgres wire protocol support
- Snowflake wire protocol support
- MCP server support
- Live behavior overlay on published specs
- One-command agent installation
- Deterministic test responses matching live behavior
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| What makes it different | - No signup wall or forced trial to generate and download codes
- Dynamic codes at $4/month, affordable for small businesses instead of enterprise pricing
- Edit printed codes anytime without reprinting
- Integrated with AI assistants through MCP server for code generation via Claude and ChatGPT
- No watermark on downloads for free account users
| - No backend required, serves twins directly from specifications
- Supports multiple protocols: REST, Postgres, Snowflake, and MCP
- Production behavior fidelity through live behavior overlay
- MIT licensed open source with no cost
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 8 ▼ −1 (down) since last check | 27 ▼ −1 (down) since last check |
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| Trust Flow (Majestic) | 3 | 5 |
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| Citation Flow (Majestic) | 25 | 39 |
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| Referring domains (Majestic) | 24 | 16 |
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QRFLOW.codes
Twinning