A developer-first URL shortener with built-in QR code generation and robust link analytics.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install jo4
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install jo4 using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Jo4 - URL Shortener & Analytics API?
Jo4 is a comprehensive URL management platform designed for developers and marketers who need more than just a simple short link. By integrating this tool via Openclaw Skills, users can programmatically shorten URLs, generate custom aliases, and instantly create QR codes for any destination. It offers a professional-grade API that handles everything from basic link redirection to complex campaign tracking with UTM parameters.
Beyond simple shortening, Jo4 provides deep insights into link performance. It tracks click-through rates, geographic data, device types, and referral sources, making it an essential component for data-driven decision-making. Whether you are building an automated marketing pipeline or managing internal documentation links, Jo4 streamlines the process within the Openclaw ecosystem.
Jo4 - URL Shortener & Analytics API Use Cases
- Shortening long, complex URLs for cleaner sharing in emails, social media, or documentation.
- Generating dynamic QR codes for physical marketing materials or event check-ins.
- Tracking marketing campaign performance using integrated UTM parameters.
- Creating time-sensitive links that automatically expire after a specific timestamp.
- Securing sensitive links with mandatory password protection before redirection.
How Jo4 - URL Shortener & Analytics API Works
- The skill authenticates with the Jo4 API using a secure API key provided in the environment settings.
- A request is sent to the API containing the destination URL and optional metadata like titles, custom slugs, or expiration times.
- The Jo4 service processes the request and returns a unique slug and a shortened URL.
- Simultaneously, a dedicated QR code endpoint is generated for the new short link for immediate use.
- As users click the link, the system captures telemetry data, which can be retrieved later for real-time analytics reporting.
Jo4 - URL Shortener & Analytics API Setup
To use this skill within the Openclaw Skills framework, you must configure your environment with a valid API key.
- Obtain your API key from the Jo4 dashboard.
- Set the environment variable in your terminal or configuration file:
export JO4_API_KEY="your-api-key"
Jo4 - URL Shortener & Analytics API Data Schema & Taxonomy
The Jo4 skill manages data through a structured response format that includes link metadata and tracking identifiers. Key data points include:
| Attribute | Description |
|---|---|
| slug | The unique 16-character identifier for the shortened link. |
| fullShortUrl | The complete URL ready for public sharing. |
| qrCodeUrl | Direct link to the generated QR code image (PNG/SVG). |
| stats | Metadata containing total clicks, geographic distribution, and device breakdown. |
| expirationTime | Unix timestamp indicating when the link becomes inactive. |
Jo4 - URL Shortener & Analytics API Advanced Features
- UTM Parameter Integration: Automatically attach source, medium, and campaign data to links for granular marketing tracking.
- Password Protection: Add an extra layer of security to shortened links with custom passwords (4-128 characters).
- Custom Aliases: Define specific alphanumeric slugs to maintain brand consistency rather than using random strings.
- High-Throughput Rate Limits: Scales from basic usage to Pro plans supporting up to 10,000 requests per minute for enterprise-level automation.
SKILL.md
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