Embeddable badges

Shields.io-style SVG badges showing live cross-exchange perp funding rates. Drop into any markdown context.

Why a separate badges page? The existing /widgets page offers iframe embeds — great for blogs and CMS pages, but iframes are sandboxed away in GitHub READMEs, dev.to articles, Reddit comments, Notion, Substack, and most markdown editors. SVG badges via <img> work everywhere a markdown image renders, which is everywhere.

Each badge is server-rendered, ~700 bytes, cached for 60 seconds, CORS-open, free forever. Each embed is one HTTP request per minute per viewer — comfortably under the 60 req/min/IP free tier limit.

BTC funding rate

BTC funding

Markdown

![BTC funding](http://178.104.60.252:8083/badge/btc.svg)

HTML

<img src="http://178.104.60.252:8083/badge/btc.svg" alt="BTC funding">

ETH funding rate

ETH funding

Markdown

![ETH funding](http://178.104.60.252:8083/badge/eth.svg)

HTML

<img src="http://178.104.60.252:8083/badge/eth.svg" alt="ETH funding">

SOL funding rate

SOL funding

Markdown

![SOL funding](http://178.104.60.252:8083/badge/sol.svg)

HTML

<img src="http://178.104.60.252:8083/badge/sol.svg" alt="SOL funding">

Overall market sentiment

crypto funding sentiment

Markdown

![crypto funding sentiment](http://178.104.60.252:8083/badge/sentiment.svg)

HTML

<img src="http://178.104.60.252:8083/badge/sentiment.svg" alt="crypto funding sentiment">

Available bases

Any base coin tracked across the 20 exchanges. Common ones:

Any base coin available via /api/funding/symbol/<base> works as a badge.