4.0.0

FCS REST API JavaScript v4.0.0

First Release - JavaScript & Node.js REST API client for Forex, Crypto, and Stock market data from FCS API.

What's New

Initial release with complete REST API implementation:

• Universal Library - Works in both Browser and Node.js (18+)
• Forex API - 4,000+ currency pairs, commodities, real-time rates, historical data
• Crypto API - 50,000+ coins, market cap data, top exchanges (Binance, Coinbase, etc.)
• Stock API - 125,000+ global stocks, earnings, dividends, financial statements
• 3 Authentication Methods - Access key, IP whitelist, token-based
• Zero Dependencies - Pure JavaScript using native Fetch API
• Multiple Formats - npm package, CDN, or local files
• Technical Analysis - Moving averages, RSI, MACD, pivot points

Installation

npm (Recommended):

npm install fcsapi-rest

Browser (CDN):

<script src="https://cdn.jsdelivr.net/gh/fcsapi/rest-api-js/src/FcsConfig.js"></script>
<script src="https://cdn.jsdelivr.net/gh/fcsapi/rest-api-js/src/FCS_Forex.js"></script>
<script src="https://cdn.jsdelivr.net/gh/fcsapi/rest-api-js/src/FcsApi.js"></script>

Quick Start

Browser:

<script src="src/FcsConfig.js"></script>
<script src="src/FcsApi.js"></script>
<script>
    const fcsapi = new FcsApi();
    
    async function getData() {
        const forex = await fcsapi.forex.getLatestPrice('FX:EURUSD');
        const crypto = await fcsapi.crypto.getLatestPrice('BINANCE:BTCUSDT');
        const stock = await fcsapi.stock.getLatestPrice('NASDAQ:AAPL');
        
        if (fcsapi.isSuccess()) {
            console.log(forex.response);
        }
    }
</script>

Node.js:

const { FcsApi } = require('fcsapi-rest');
const fcsapi = new FcsApi();

const response = await fcsapi.forex.getLatestPrice('EURUSD');

Examples Included

• forex-example.html - Forex prices, conversion, historical data
• crypto-example.html - Bitcoin, top 100 coins, market cap
• stock-example.html - Stock prices, earnings, indices

Requirements

• Browser: Modern browser with Fetch API support
• Node.js: v18.0 or higher

Documentation

• Full docs: https://fcsapi.com/document
• npm package: https://www.npmjs.com/package/fcsapi-rest
• GitHub: https://github.com/fcsapi/rest-api-js
• Support: support@fcsapi.com

Get API Key

Sign up for free at https://fcsapi.com