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Modern URL shortening with QR codes and detailed analytics

URL shortener, QR code generator, and link analytics API. Create short links, generate QR codes, and track click analytics.

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High Signal

URL shortener, QR code generator, and link analytics API. Create short links, generate QR codes, and track click analytics.

โฌ‡ 0 downloads โ˜… 0 stars Unverified but indexed

Install for OpenClaw

Quick setup
  1. Download the package from Yavira.
  2. Extract the archive and review SKILL.md first.
  3. Import or place the package into your OpenClaw setup.

Requirements

Target platform
OpenClaw
Install method
Manual import
Extraction
Extract archive
Prerequisites
OpenClaw
Primary doc
SKILL.md

Package facts

Download mode
Yavira redirect
Package format
ZIP package
Source platform
Tencent SkillHub
What's included
README.md, SKILL.md

Validation

  • Use the Yavira download entry.
  • Review SKILL.md after the package is downloaded.
  • Confirm the extracted package contains the expected setup assets.

Install with your agent

Agent handoff

Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually.

  1. Download the package from Yavira.
  2. Extract it into a folder your agent can access.
  3. Paste one of the prompts below and point your agent at the extracted folder.
New install

I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Then review README.md for any prerequisites, environment setup, or post-install checks. Tell me what you changed and call out any manual steps you could not complete.

Upgrade existing

I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Then review README.md for any prerequisites, environment setup, or post-install checks. Summarize what changed and any follow-up checks I should run.

Trust & source

Release facts

Source
Tencent SkillHub
Verification
Indexed source record
Version
1.0.0

Documentation

ClawHub primary doc Primary doc: SKILL.md 17 sections Open source page

Jo4 - URL Shortener & Analytics API

Jo4 is a modern URL shortening service with QR code generation and detailed link analytics.

Authentication

All protected endpoints require an API key. Set your API key as an environment variable: export JO4_API_KEY="your-api-key" Get your API key from: https://jo4.io/api-keys

API Base URL

https://jo4-api.jo4.io/api/v1

Create Short URL (Authenticated)

curl -X POST "https://jo4-api.jo4.io/api/v1/protected/url" \ -H "X-API-Key: $JO4_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "longUrl": "https://example.com/very-long-url", "title": "My Link" }' Request Body: longUrl (required) - The destination URL (max 2048 chars) title (optional) - Link title (max 200 chars) description (optional) - Link description (max 500 chars) shortUrl (optional) - Custom alias (max 16 chars, alphanumeric/hyphen/underscore) expirationTime (optional) - Unix timestamp for link expiration passwordProtected (optional) - Boolean to enable password protection password (optional) - Password if protected (4-128 chars) UTM Parameters: utmSource, utmMedium, utmCampaign, utmTerm, utmContent Response: { "response": { "id": 123, "slug": "abc123", "shortUrl": "abc123", "fullShortUrl": "https://jo4.io/a/abc123", "longUrl": "https://example.com/very-long-url", "title": "My Link", "qrCodeUrl": "https://jo4.io/qr/abc123" } }

Create Anonymous Short URL (No Auth Required)

curl -X POST "https://jo4-api.jo4.io/api/v1/public/url" \ -H "Content-Type: application/json" \ -d '{"longUrl": "https://example.com"}' Limited features, no analytics access.

Get URL Details

curl -X GET "https://jo4-api.jo4.io/api/v1/protected/url/{slug}" \ -H "X-API-Key: $JO4_API_KEY"

Get URL Analytics

curl -X GET "https://jo4-api.jo4.io/api/v1/protected/url/{slug}/stats" \ -H "X-API-Key: $JO4_API_KEY" Response includes: Total clicks Clicks by date Geographic distribution Device/browser breakdown Referrer sources

List My URLs

curl -X GET "https://jo4-api.jo4.io/api/v1/protected/url/myurls?page=0&size=20" \ -H "X-API-Key: $JO4_API_KEY"

Update URL

curl -X PUT "https://jo4-api.jo4.io/api/v1/protected/url/{id}" \ -H "X-API-Key: $JO4_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "title": "Updated Title", "longUrl": "https://new-destination.com" }'

Delete URL

curl -X DELETE "https://jo4-api.jo4.io/api/v1/protected/url/{id}" \ -H "X-API-Key: $JO4_API_KEY"

QR Codes

Every short URL automatically gets a QR code at: https://jo4.io/qr/{shortUrl}

Rate Limits

Rate limits vary by plan: Free: 60 requests/minute Pro: Up to 10,000 requests/minute Anonymous (public endpoints): 10 requests/minute

API Documentation

Full OpenAPI/Swagger documentation: https://jo4-api.jo4.io/swagger-ui/index.html

1. Shorten a URL for sharing

curl -X POST "https://jo4-api.jo4.io/api/v1/protected/url" \ -H "X-API-Key: $JO4_API_KEY" \ -H "Content-Type: application/json" \ -d '{"longUrl": "https://example.com/article", "title": "Article"}'

2. Create campaign tracking link

curl -X POST "https://jo4-api.jo4.io/api/v1/protected/url" \ -H "X-API-Key: $JO4_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "longUrl": "https://mysite.com/landing", "title": "Q1 Campaign", "utmSource": "twitter", "utmMedium": "social", "utmCampaign": "q1-2026" }'

3. Create expiring link

curl -X POST "https://jo4-api.jo4.io/api/v1/protected/url" \ -H "X-API-Key: $JO4_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "longUrl": "https://mysite.com/promo", "title": "Limited Offer", "expirationTime": 1738454400 }'

Error Codes

CodeMeaning400Bad request - invalid parameters401Unauthorized - missing or invalid API key403Forbidden - insufficient permissions404Not found - URL doesn't exist429Rate limit exceeded

Category context

Code helpers, APIs, CLIs, browser automation, testing, and developer operations.

Source: Tencent SkillHub

Largest current source with strong distribution and engagement signals.

Package contents

Included in package
2 Docs
  • SKILL.md Primary doc
  • README.md Docs