Real-Time Cryptocurrency API - Bitcoin, Ethereum & 15,000+ Digital Assets

Get Started

The FCS Crypto API is built to simplify access to reliable digital asset data for developers and businesses. It delivers a complete set of endpoints for retrieving real-time and historical cryptocurrency market data. Responses are always returned in clean JSON format, making integration smooth across different programming languages and platforms. With consistent response structures, you can plug live crypto data into your trading apps, dashboards, or analytics tools effortlessly.

Start using the FCS Crypto API in just 3 simple steps. Our API covers 15,000+ cryptocurrencies, tokens, and stablecoin pairs from top global exchanges.

Step 1: Get Your API Key

Sign up for a free account to receive your API key instantly. No payment details needed for testing — enjoy 500 free requests every month.

Step 2: Make Your First Request

Fetch the latest Bitcoin price with a simple GET request:

Step 3: Integrate & Build

Use the returned JSON data in your application. All endpoints follow a unified format so you can easily switch between price, candle, or profile data without reworking your code.

Parameters List

Cryptocurrency Symbols List API - 15,000+ Trading Pairs from 8+ Exchanges

Retrieve the complete list of supported cryptocurrencies and trading pairs using this endpoint. With over 15,000 digital assets aggregated from 8+ leading global exchanges including Binance, Coinbase, Kraken, OKX, and Bybit, our crypto API ensures you always have the latest available coins and tokens. Access Bitcoin pairs (BTCUSDT, BTCEUR, BTCJPY), Ethereum pairs (ETHUSDT, ETHBTC, ETHBNB), DeFi tokens (UNI, AAVE, COMP, LINK), stablecoins (USDT, USDC, DAI, BUSD), meme coins (DOGE, SHIB, PEPE), and Layer-1 assets (SOL, ADA, DOT, AVAX, MATIC) across spot, futures, and perpetual swap markets. These symbols are required when fetching live prices, OHLCV candles, historical charts, or technical analysis data. The list is refreshed regularly, providing developers with the most accurate set of cryptocurrency markets in real time.

Latest Cryptocurrency Prices

The Latest Crypto & Coin Prices API keeps you updated with real-time digital asset values. Supports both normal crypto tokens (~13,000 symbols across multiple exchanges) and coins (~3,000 predefined coins like BTCUSD, ETHUSD) with rank, market capitalization, circulating supply, and performance metrics. Retrieve live prices, OHLC candles, and essential market stats in one request. Ideal for traders, analysts, and crypto dashboards.

{
   "columns":"ticker,update,datetime,active,previous,profile",
   "type": "crypto",
   "sub_type": "spot",
   "symbol": "BTCUSDT,ETHUSDT",
   "exchange": "BINANCE,COINBASE",
   "period": "1d",
   "get_profile": 1,
   "per_page": "20",
   "access_key": "API_KEY"
}
// You can use Symbol+exchange
"symbol": "BTCUSDT,ETHUSDT",
"exchange": "BINANCE,COINBASE",

// Or you can use symbol only, same result
"symbol": "BINANCE:BTCUSDT,BINANCE:ETHUSDT,COINBASE:BTCUSDT,COINBASE:ETHUSDT",
"exchange": "", 

Response Format

{
    "active": {
        "a": 109210,
        "b": 109209.99,
        "o": 108246.36,
        "h": 109912.4,
        "l": 107255,
        "c": 109210,
        "v": 12923.84,
        "t": 1756684800,
        "vw": 108792.47,
        "tm": "2025-09-01 00:00:00",
        "ch": 963.64,
        "chp": 0.89
    },
    "profile": {
        "id": "BTCUSDT",
        "symbol": "BTCUSDT",
        "exchange": "BINANCE",
        "name": "Bitcoin / TetherUS",
        "type": "crypto",
        "sub_type": "spot",
        "currency": "USDT",
        "base_currency": "BTC",
        "base_id": "XTVCBTC"
    },
    "more": {
        ".....": "15,000+ more coins"
    }
}

Cryptocurrency Profile API - Coin Metadata, Logos, Socials & Blockchain Info

Access comprehensive blockchain and cryptocurrency metadata for Bitcoin, Ethereum, and 3,000+ digital assets. Get project descriptions, official websites, social media links (Twitter, Reddit, Telegram, Discord), blockchain explorers, whitepaper links, source code repositories (GitHub), community stats, market cap data, and high-resolution logos. Perfect for crypto portfolio apps, coin trackers, market analysis tools, and trading platforms that need detailed token information beyond price data.

Response Format

Cryptocurrency Converter API - Crypto to Fiat & Crypto to Crypto Conversion

The Crypto Converter API allows you to instantly calculate real-time conversion rates for Bitcoin to USD, Ethereum to EUR, BNB to JPY, and thousands of crypto-to-crypto pairs. With support for 15,000+ digital assets and 180+ fiat currencies, this endpoint provides instant crypto wallet valuation, multi-currency portfolio calculation, and accurate exchange rate conversions. Perfect for crypto wallets, DeFi apps, payment processors, stablecoin comparisons (USDT vs USDC vs DAI), and altcoin trading platforms.

Response Format

{
    "total": "21855264.00",
    "price_1x_BTC": "0.00000915",
    "price_1x_USD": "109276.32"
}

Crypto Base Currency

This endpoint lets you select a single cryptocurrency (or fiat) as the base and get prices against thousands of other tokens. If a direct trading pair is not available on the selected exchange, our system automatically calculates it through intermediate pairs. For example, if ADA/JPY is not listed, the system will derive it using ADA/USDT and JPY/USDT.
Use this to fetch the entire market snapshot of one base asset — e.g., set symbol=USD to get USDBTC, USDADA, USDETH, USDEUR, and more.

Response Format

{
    "USDBTC": "0.00000915",
    "USDADA": 1.23414,
    "USDACE": 1.99617,
    "USDEUR": 0.8545,
    "USDACH": 51.6037,
    "USDACX": 6.89235,
    "USDACM": 1.08823,
    "USDADX": 7.50811,
    "USDACA": 34.367,
    "more": "All tokens with base USD"
}

Cross Currency

Return all related cryptocurrency pairs of required base currency. If you enter USD in parameter value, then response will return all USD crypto pairs e.g: USDBTC, USDETH, USDXRP, USDLTC... USD/crypto pairs
This endpoint is useful for traders and analysts who need to see how a base currency performs across multiple crypto pairs in real time. It supports automatic calculation of cross rates when direct trading pairs are not available on the selected exchange.

About crossrates parameter: When crossrates=1 and you pass multiple single-currency symbols (for example symbol=USD,EUR,JPY), the API returns all pairwise cross rates between those currencies (both directions). Example pairs returned: USDEUR, EURUSD, USDJPY, EURJPY, JPYUSD, JPYEUR. When crossrates=0 (default), the API returns symbols that start with each provided currency (e.g. all symbols beginning with USD*, EUR*, JPY*).

Crypto Historical Price API

Track past cryptocurrency prices with our Historical Crypto API. This endpoint provides OHLCV (open, high, low, close, volume) data for all tokens across multiple exchanges. You can fetch historical data in different timeframes (1m, 5m, 15m, 1h, 1D, etc.) to build charts, backtest strategies, or analyze market patterns. Data is available for several years on major tokens and up to 6–24 months for intraday intervals.

Response Format

{
    "1748815200": {
        "o": 61750.23,
        "h": 62410.55,
        "l": 61520.12,
        "c": 62285.44,
        "v": 13482,
        "vw": 62010.77,
        "t": 1748815200,
        "tm": "2025-06-01 22:00:00"
    }
}

Crypto Coin API (Rank, Market Cap, Supply, Performance)

The Coin API provides fundamental data about cryptocurrencies such as rank, market capitalization, circulating supply, transaction activity, and performance metrics. Unlike the normal type=crypto (exchange pairs), type=coin is limited to ~3000 major coins (BTCUSD, ETHUSD, etc.) with predefined exchange crypto. This API is ideal for building coin listings, market cap leaderboards, or long-term performance dashboards.

Rank/ Marketcap/ Supply does not work with all tokens, like BTCBNB, BTCETH, its only linked with BTCUSD, we have seperate all that coins with type=coin

{
    "type": "coin",
    "exchange": "crypto",
    "period":"1d",
    "columns": "symbol,c,rank,market_cap,performance",
    "keep_parent_colm":0,
    "filters":{}, 
    "sort_by": "rank_asc",
    "per_page": 10,
    "merge": "latest,perf",
    "access_key": "API_KEY"
}

Response Format

{
    "rank": 1,
    "max_supply": 21000000,
    "total_supply": 19918487,
    "circulating_supply": 19918487,
    "24h_vol_cmc": 45857103993.93,
    "locked": 10100395382,
    "velocity": 0.0122937,
    "category": [
        "Cryptocurrencies",
        "Layer 1"
    ],
    "ecosystem": [
        "Bitcoin ecosystem"
    ],
    "addresses_with_balance": 54834850,
    "addresses_active": 732824,
    "addresses_new": 304540,
    "txs_count": 566372,
    "txs_volume": 133376.22,
    "txs_volume_usd": 27171743584.33,
    "altrank": 845,
    "interactions": 2952562,
    "socialdominance": 16.6406,
    "market_cap": 2212087410759,
    "market_cap_diluted": 2332197000000,
    "vol_to_marketcap": 0.0207,
    "avg_txn_base": 0.2355,
    "avg_txn_usd": 47975.08,
    "nvt": 81.4113,
    "active_address_ratio": 0.0134,
    "locked_ratio": 0.004566
}

Exchange Coverage & Data Sources

Our Crypto API aggregates data from 8+ premium crypto exchanges with 15000+ Crypto currencies and data feed providers worldwide. Get real-time coverage statistics and exchange details to choose the best data sources for your application.

Response Format

Crypto Advanced Query API

(ALL IN ONE) The Advanced Query API for crypto lets you combine multiple datasets into a single request with powerful filters, sorting, and pagination. It supports advanced search across 15,000+ tokens from multiple exchanges, and allows you to merge price, profile, meta, performance, and technical indicator data. This flexible endpoint is ideal for building professional trading dashboards, analytics tools, and market screeners.

POST/RAW JSON both accepted
{
   "symbol":"BINANCE:BTCUSDT,COINBASE:ETHUSD",
   "exchange":"BINANCE,COINBASE",
   "type":"crypto",
   "sub_type":"spot",
   "period":"1d",
   "columns":"",
   "keep_parent_colm":0,
   "filters":{"c_gt":30000}, 
   "sort_by":"c_desc",
   "merge":"latest,perf,tech,profile,meta",
   "page":1,
   "per_page":"50",
   "search":"",
   "access_key":"API_KEY"
}

POST/RAW JSON both accepted
{
   "symbol":"BTCUSD,ETHUSD",
   "type":"coin",
   "period":"1d",
   "sort_by":"c_desc",
   "merge":"latest,perf",
   "page":1,
   "per_page":"50",
   "access_key":"API_KEY"
}

Crypto Sorting (Movers, Gainers, Losers)

Sorting in crypto is the fastest way to find trending tokens. Instead of a separate endpoint, you can use the sort_by parameter in the Crypto Advanced API to rank coins by price, percentage change, volume, or market cap.

With a single call you can fetch:
• Top Gainers (24h % change)
• Top Losers
• Most Active by Volume
• Highest Market Cap
• Cheapest tokens by price

This feature is especially useful for building dashboards like Top 100 Movers or Crypto Screener.

{
    "type": "crypto",
    "sub_type": "spot",
    "exchange": "BINANCE", 
    "period": "1h",
    "columns": "",
    "keep_parent_colm": 0,
    "sort_by": "chp_desc",  // Sort by % Change Desc
    "filters": {}, 
    "merge": "latest,profile", 
    "per_page": "20",
    "access_key": "API_KEY"
}

Moving Average API (EMA & SMA) for Crypto & Coins

The Moving Average API provides calculated Exponential Moving Average (EMA) and Simple Moving Average (SMA) values for multiple time periods. This is available for forex, crypto tokens and coins (BTCUSD, ETHUSD, etc.). Use this API to analyze short-term and long-term trends, for trading bots, charting tools, or algorithmic strategies.

{
    "type": "coin",
    "symbols": "BTCUSD,ETHUSD",
    "exchange": "crypto",
    "period": "1d",
    "access_key": "API_KEY"
}

Response Format

{
    "signal": {
        "summary": "STRONG_BUY",
        "score": 85,
        "confidence": "HIGH",
        "trend": "STRONG"
    },
    "ma_avg": {
        "ema10": {
            "v": 34891.5,
            "s": "BUY",
            "n": "EMA 10",
            "score": 85
        },
        "ema25": {
            "v": 34912.2,
            "s": "BUY",
            "n": "EMA 25",
            "score": 80
        },
        "sma10": {
            "v": 34895,
            "s": "BUY",
            "n": "SMA 10",
            "score": 75
        }
    }
}

Technical Indicators API for Crypto & Coins

The Technical Indicators API provides a comprehensive set of popular technical indicators including RSI, MACD, Stochastic, ADX, ATR, Bollinger Bands, PSAR, and more. Supports crypto tokens and coins (BTCUSD, ETHUSD). Useful for trading strategies, market analysis, and algorithmic signals.

{
    "type": "coin",
    "symbols": "BTCUSD,ETHUSD",
    "exchange": "crypto",
    "period": "1d",
    "access_key": "API_KEY"
}

Response Format

{
    "ticker": "BTCUSD",
    "signal": {
        "summary": "BUY",
        "score": 65,
        "confidence": "MEDIUM",
        "trend": "STRONG",
        "volatility": "MEDIUM"
    },
    "indicators": {
        "volatility": {
            "atr_per": 0.85,
            "true_range": 100,
            "level": "Medium"
        },
        "bollinger": {
            "width_per": 1.12,
            "pos_per": 55.3,
            "middle": 34920.2,
            "squeeze": "Normal"
        },
        "price_action": {
            "body_size": 320,
            "shadow_u": 180,
            "shadow_l": 200,
            "body_range_per": 32,
            "c_type": "Bullish",
            "pattern": "Normal"
        }
    },
    "oscillators": {
        "rsi": {
            "v": 60.2,
            "s": "BUY",
            "n": "RSI",
            "score": 40
        },
        "stoch": {
            "v": 45,
            "s": "Neutral",
            "n": "STOCH K%",
            "score": 0
        },
        "macd": {
            "v": 210.5,
            "s": "BUY",
            "n": "MACD",
            "score": 35
        }
    },
    "perf": {
        "rank": 1,
        "market_cap": 635000000,
        "circulating_supply": 19000000,
        "total_supply": 21000000,
        "24h_vol_cmc": 38000000,
        "socialdominance": 0.25,
        "vol_to_marketcap": 0.059
    }
}

Pivot Points API for Crypto & Coins

The Pivot Points API delivers key support and resistance levels calculated from multiple pivot point methods. Works with crypto tokens (BTC/USDT, ETH/USD) from exchanges and coins (BTCUSD, ETHUSD) with pre-defined exchange "crypto". Supported methods: Classic, Fibonacci, Camarilla, Woodie, and Demark. Useful for intraday trading, trend confirmation, and automation.

{
    "type": "coin",
    "symbols": "BTCUSD,ETHUSD",
    "exchange": "crypto",
    "period": "1d",
    "access_key": "API_KEY"
}

Performance Analysis API for Crypto & Coins

Provides comprehensive performance analytics for both crypto tokens (e.g., BTC/USDT, ETH/USD) and coins (e.g., BTCUSD, ETHUSD). Includes historical highs/lows, percentage changes across multiple timeframes, and volatility metrics. Essential for fundamental analysis, portfolio management, and risk assessment.

{
    "type": "coin",
    "symbols": "BTCUSD,ETHUSD",
    "exchange": "crypto",
    "period": "1d",
    "access_key": "API_KEY"
}

Response Format

{
    "ticker": "BTCUSD",
    "perf": {
        "H1M": 124501.31,
        "L1M": 107265.32,
        "H3M": 124501.31,
        "L3M": 98242.47,
        "H6M": 124501.31,
        "L6M": 74458.42,
        "H52": 124501.31,
        "L52": 55567.46,
        "HIGHEST": 124501.31,
        "LOWEST": 0.0006134,
        "PW": 1.5746,
        "P1M": -4.73604,
        "P3M": 0.588238,
        "P6M": 32.6467,
        "PYTD": 18.8004,
        "PY": 102.263,
        "P5Y": 995.724,
        "PAll": 14525490789.1,
        "voltD": 2.25839,
        "voltW": 2.01587,
        "voltM": 2.68002,
        "max_supply": 21000000,
        "total_supply": 19918487,
        "circulating_supply": 19918487,
        "rank": 1,
        "market_cap": 2212087410759,
        "market_cap_diluted": 2332197000000,
        "addresses_active": 732824,
        "txs_count": 566372,
        "socialdominance": 16.6406
    }
}

Get All analysis in 1 response

This API endpoint show some example that returns combined analysis data including EMA/SMA, technical indicators, pivot points, and performance metrics. Supports both crypto tokens and coins. For detail Understanding please check our advance api endpoint

Search API

You can search any cryptocurrency with similar words, search query will find in full name and short name. Response Return up to 20 result.

Response Format

{
    "id": "150956",
    "symbol": "TRUMPUSDT",
    "name": "TRUMP / TetherUS",
    "type": "crypto",
    "sub_type": "spot",
    "currency": "USDT",
    "exchange": "Binance",
    "country": "CR",
    "base_id": "XTVCTRUMPOF",
    "bulk_support": "1"
}

Error Codes & Troubleshooting

Understanding API error responses and how to handle them properly. All errors include a status code, error message, and helpful details for debugging.

Common HTTP Status Codes

Rate Limits & Usage

Understanding API usage limits, credit system, and best practices for efficient API usage. Different endpoints have different credit costs based on data complexity.

Plan Limits

Code Examples & SDKs

Ready-to-use code examples in popular programming languages. Copy and paste these examples to quickly integrate FCS API into your application.

Choose your preferred programming language and copy the example code to get started quickly.

Available Languages

• JavaScript: Fetch API, Axios, jQuery examples
• Python: Requests library, asyncio examples
• PHP: cURL, file_get_contents examples
• Java: HttpURLConnection, OkHttp examples
• C#: HttpClient examples
• Node.js: HTTP, Axios examples

curl  "https://api-v4.fcsapi.com/crypto/latest?symbol=BINANCE:BTCUSDT&access_key=API_KEY"

// API endpoint and query params
const url = new URL("https://api-v4.fcsapi.com/crypto/latest");

const params = {
  symbol: "BINANCE:BTCUSDT,COINBASE:ETHUSD",
  access_key: "test"
};

// Append query parameters to the URL
Object.keys(params).forEach(key => url.searchParams.append(key, params[key]));

// Make the request
fetch(url)
  .then(response => {
    if (!response.ok) {
      throw new Error("Network response was not ok: " + response.statusText);
    }
    return response.json();
  })
  .then(data => {
    if (data.status && Array.isArray(data.response)) {
      data.response.forEach(item => {
        console.log(`Symbol: ${item.symbol}`);
        console.log(`  Exchange: ${item.exchange}`);
        console.log(`  Open:  ${item.o}`);
        console.log(`  Close: ${item.c}`);
        console.log(`  Time:  ${item.t}`);
        console.log('-------------------------');
      });
    } else {
      console.log("Invalid or empty response structure.");
    }
  })
  .catch(error => {
    console.error("Fetch error:", error);
  });

import requests

# Crypto API endpoint
url = "https://api-v4.fcsapi.com/crypto/latest"
# Parameters
params = {
    "symbol": "BINANCE:BTCUSDT,COINBASE:ETHUSD",
    "access_key": "API_KEY"
}

# Send GET request
response = requests.get(url, params=params)

# Check HTTP status
if response.status_code == 200:
    data = response.json()

    if data.get("status") and "response" in data:
        for item in data["response"]:
            print(f"Symbol: {item.get('symbol')}")
            print(f"  Exchange: {item.get('exchange')}")
            print(f"  Open:  {item.get('o')}")
            print(f"  Close: {item.get('c')}")
            print(f"  Time:  {item.get('t')}")
            print()
    else:
        print("API returned an empty or malformed response.")
else:
    print(f"HTTP Error {response.status_code}: {response.text}")

using System;
using System.Collections.Generic;
using System.Net.Http;
using System.Text.Json;
using System.Threading.Tasks;

namespace FcsApiClient
{
    class Program
    {
        static async Task Main(string[] args)
        {
            string url = "https://api-v4.fcsapi.com/crypto/latest?symbol=BINANCE:BTCUSDT,COINBASE:ETHUSD&access_key=API_KEY";

            using HttpClient client = new HttpClient();

            try
            {
                HttpResponseMessage response = await client.GetAsync(url);
                response.EnsureSuccessStatusCode();

                string json = await response.Content.ReadAsStringAsync();

                var options = new JsonSerializerOptions
                {
                    PropertyNameCaseInsensitive = true
                };

                var result = JsonSerializer.Deserialize(json, options);

                if (result?.Status == true && result.Response != null)
                {
                    foreach (var item in result.Response)
                    {
                        Console.WriteLine($"Symbol: {item.Symbol}");
                        Console.WriteLine($"  Name: {item.Name}");
                        Console.WriteLine($"  Exchange: {item.Exchange}");
                        Console.WriteLine($"  Type: {item.Type} / {item.SubType}");
                        Console.WriteLine($"  Open:  {item.O}");
                        Console.WriteLine($"  High:  {item.H}");
                        Console.WriteLine($"  Low:   {item.L}");
                        Console.WriteLine($"  Close: {item.C}");
                        Console.WriteLine($"  Ask:   {item.A}");
                        Console.WriteLine($"  Bid:   {item.B}");
                        Console.WriteLine($"  Time:  {item.T}");
                        Console.WriteLine("------------------------");
                    }
                }
                else
                {
                    Console.WriteLine("Invalid or empty response.");
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Error: " + ex.Message);
            }
        }
    }

    public class ApiResponse
    {
        public bool Status { get; set; }
        public int Code { get; set; }
        public string Msg { get; set; }
        public List Response { get; set; }
    }

    public class SymbolData
    {
        public string Symbol { get; set; }
        public string Name { get; set; }
        public string Exchange { get; set; }
        public string Type { get; set; }
        public string SubType { get; set; }
        public double O { get; set; }
        public double H { get; set; }
        public double L { get; set; }
        public double C { get; set; }
        public double A { get; set; }
        public double B { get; set; }
        public long T { get; set; }
    }
}

<?php
$url = "https://api-v4.fcsapi.com/crypto/latest?symbol=BINANCE:BTCUSDT,COINBASE:ETHUSD&access_key=API_KEY";
$response = file_get_contents($url);
$data = json_decode($response, true);

foreach ($data['response'] as $item) {
    echo "Symbol: " . $item['symbol'] . "\n";
}
?>

require 'net/http'
require 'json'

url = URI("https://api-v4.fcsapi.com/crypto/latest?symbol=BINANCE:BTCUSDT,COINBASE:ETHUSD&access_key=API_KEY")
res = Net::HTTP.get_response(url)
data = JSON.parse(res.body)

data["response"].each do |item|
  puts "Symbol: #{item["symbol"]}"
end

Disclaimer & Terms of Use

Important information about data usage, accuracy, and limitations of the FCS API service.

Data Accuracy & Usage

Prices, Market trends and signals are not designed for trading purposes. These signals are only for educational or non-commercial purpose use. Data contained in this application/website is not necessarily real-time nor accurate and so prices may not be accurate and may differ from the actual market price, meaning prices are indicative and not appropriate for trading purposes.

Trading Disclaimer

Therefore we don't bear any responsibility for any trading losses you might incur as a result of using this data. Latest price minimum refresh rate is 30 seconds.

Data Sources

Our data is sourced from multiple financial institutions and exchanges. While we strive for accuracy, we cannot guarantee 100% accuracy or completeness of the data.