Developer & L2 Data API Reference

Build routers, portfolio monitors and analytics dashboards using Coinorama’s low-latency Go backend REST and SSE endpoints.

Base REST URL

https://coinorama.net/api/backend

Public / No Auth Required

SSE Live Stream

/api/backend/stream

Real-time Push Broadcast

Usage

Fair Use

Public data, please cache responsibly

Core Endpoints Directory

GET/api/backend/global

Global market cap, 24h volume, dominance, Fear & Greed and gas

GET/api/backend/coins?page=&limit=&search=

Paginated, searchable live coin market data

GET/api/backend/exchanges?type=

Exchange directory with Coinorama Trust Score and market share

GET/api/backend/orderbook/:symbol

Real L2 orderbook snapshot across supported exchanges

POST/api/backend/slippage/simulate

Simulate non-linear slippage and Smart Order Routing split

GET/api/backend/news

Aggregated crypto headlines from public RSS feeds

GET/api/backend/network/bitcoin

Live Bitcoin hashrate, difficulty, fees and mining pools

GET/api/backend/liquidations/:symbol

Real Binance Futures liquidation events (last 24h)

POST/api/backend/sentiment/vote

Cast 24h device-fingerprinted bullish/bearish vote

GET/api/backend/stream

Server-Sent Events continuous market tick broadcaster

Integration Examples

cURL • True Slippage Calculation

curl -X POST https://coinorama.net/api/backend/slippage/simulate \
  -H "Content-Type: application/json" \
  -d '{"symbol": "BTC", "targetUsd": 50000, "side": "buy"}'

TypeScript / Node.js • True Slippage Execution

const res = await fetch('https://coinorama.net/api/backend/slippage/simulate', {
  method: 'POST',
  headers: { 'Content-Type': 'application/json' },
  body: JSON.stringify({ symbol: 'BTC', targetUsd: 50000, side: 'buy' })
});
const { rankedExchanges, splitRoute } = await res.json();
console.log('Optimal Venue:', rankedExchanges[0].exchange);

JavaScript EventSource • SSE Live Stream

const es = new EventSource('https://coinorama.net/api/backend/stream');
es.addEventListener('tick', (event) => {
  const batch = JSON.parse(event.data);
  console.log('Real-time Ticker Batch:', batch);
});