CEX Rates Api - Cryptoscan

A microservice that provides real-time order book depth and exchange rate information from multiple cryptocurrency exchanges.

Contacts: https://t.me/dan_cryptoscan

What you get:

• Free setup into your hosting

• Free help to integrate app to your server

• Full access to the codebase and code updates

• Free updates for app, you can request for free updates via access to issues

• Full access to Project Time tracking by developers

Features

• 100+ Exchanges integration

• Real-time order book depth data

• Exchange rate calculations

• Support for multiple exchanges (configurable)

• Built-in request caching

• Proxy support for reliable API access

Prerequisites

• Node.js (LTS version)

• npm

• Environment variables configuration

Installation

1. Clone the repository:

git clone cryptoscan-pro/cex-rates-api
cd cex-depths-loader

1. Install dependencies:

npm install

1. Create a .env file with the following variables:

EXCHANGES=binance,kucoin,huobi  # comma-separated list of supported exchanges

Usage

Start the server:

npm start

The server will run on port 3000 by default.

API Endpoints

Get Order Book Depth

GET /?exchange={exchange}&from={fromCurrency}&to={toCurrency}

Parameters:

• exchange: Exchange name (e.g., binance, kucoin)

• from: Base currency (e.g., BTC)

• to: Quote currency (e.g., USDT)

Response example:

{
  "asks": [[price, amount], ...],
  "bids": [[price, amount], ...]
}

Get Exchange Rate

GET /rate?exchange={exchange}&from={fromCurrency}&to={toCurrency}&amount={amount}&depth={0|1}

Parameters:

• exchange: Exchange name

• from: Source currency

• to: Target currency

• amount: Amount to convert

• depth: Include order book depth (0 or 1)

Response example:

{
  "rate": 45000,
  "amount": 1,
  "total": 45000
}

Development

The project uses semantic-release for versioning and automated releases. Commit messages should follow the Conventional Commits specification.

License

ISC