Advanced Charts: Connecting data via the Datafeed API

Overview

This repository contains sample code for the Datafeed API tutorial, which demonstrates how to implement real-time data streaming in Advanced Charts. As an example, the tutorial describes a connection via the free CryptoCompare API that provides data from different crypto exchanges.

Note

Advanced Charts is a standalone client-side library that is used to display financial charts, prices, and technical analysis tools. Learn more about Advanced Charts on the TradingView website.

Prerequisites

• The Advanced Charts repository is private. Refer to Getting Access for more information on how to get the library.
• To use the CryptoCompare API, you should create an account and generate a free API key. For more information, refer to the CryptoCompare documentation.

How to run

Take the following steps to run this project:

1. Clone the repository. Note that for the real project, it is better to use this repository as a submodule in yours.

   git clone https://github.com/tradingview/charting-library-tutorial.git

2. Go to the repository folder and initialize the Git submodule with the library:

   git submodule update --init --recursive

   Alternatively, you can download the library repository from a ZIP file or clone it using Git.

3. Run the following command to serve static files:

   npx serve

Release notes

September, 2025

The latest version introduces several key improvements:

• Intraday resolutions: Added support for minute and hour resolutions.
• SymbolInfo update: Removed full_name from the SymbolInfo object. Now, ticker is used instead.
• Improved search: searchSymbols now properly filters results by user input, selected exchange, and symbol type.
• Improved getBars: getBars now selects the correct API endpoint based on the requested resolution (minute, hour, or day), ensuring the most appropriate data is used.
• Enhanced streaming: Reworked streaming logic to support multiple subscriptions to data updates.