Helious

Helious

TradeIQ Ltd
Twelve Data

Twelve Data

4.8 out of 5 stars
Helious Twelve Data

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Helious:

About

Helious is a browser-based US market data and news terminal for traders and developers focused on rates and macroeconomic events. It combines an economic calendar with actual-versus-forecast release data, Treasury auction results and bidder breakdowns, Treasury yields and curve views, Federal Reserve meeting and speaker coverage, and market news. Market boards cover currencies, volatility, and cross-asset correlations, while live audio squawk is available on eligible plans. A free tier provides access to public market information; paid plans add different levels of data freshness, history, terminal features, and usage allowances. Developers can access data through a read-only REST API, WebSocket stream, and MCP server for supported AI assistants and coding tools. Helious serves individual traders, small teams, analysts, and developers using US macroeconomic and fixed-income data for research, monitoring, and software.
Twelve Data:

About

Twelve Data is a leading provider of financial market data, delivering an extensive range of real-time and historical data across multiple asset classes, including stocks, forex, cryptocurrencies, ETFs, indices, commodities, and futures. The company sources its data from over 250 exchanges worldwide, ensuring comprehensive coverage that serves the needs of traders, developers, and fintech organizations. Twelve Data is dedicated to making high-quality financial information widely accessible, offering affordable solutions that cater to both individual users and large-scale institutions. The company’s platform stands out for its versatility and advanced capabilities, providing users with technical indicators, fundamental data, and alternative datasets to support in-depth market analysis. Twelve Data prioritizes scalability and reliability, offering a suite of developer-friendly tools such as APIs, WebSockets, detailed documentation, and a sandbox environment for seamless integration. With
Helious:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Twelve Data:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Supported
iPad Supported
Android Supported
Chromebook Not Supported
Helious:

Audience

Individual traders and small teams who trade US rates, index futures and macro data, and developers building on US market data.
Twelve Data:

Audience

Twelve Data benefits traders, investors, fintech companies, and financial services industries looking for real-time and historical market data.
Helious:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Twelve Data:

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported
Helious:

API

Offers API Supported
Twelve Data:

API

Offers API Supported
Helious:

Screenshots and Videos

Twelve Data:

Screenshots and Videos

Helious:

Pricing

$14.99/month
The free tier includes delayed news and limited history. Starter costs $14.99/month or $135/year. Pro costs $39.99/month or $360/year and includes the terminal and live market data. Ultimate costs $99/month or $891/year and adds commercial use and live streaming. Plan limits, data freshness, history, credits, and commercial-use rights vary.
Free Version Supported
Free Trial Supported
Twelve Data:

Pricing

$29/month
Free Version Supported
Free Trial Not Supported
Helious:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Twelve Data:

Reviews/Ratings

Overall 4.8 / 5
ease 4.8 / 5
features 4.8 / 5
design 4.8 / 5
support 5.0 / 5
Twelve Data:

Pros & Cons from Real Users

Pros

  • Twelve Data has very fast API and easy to use. I like the documentation - is clean and with good examples. Also support team answer quick and professional when I had questions. Many indicators and good historical data, good for my trading strategy.
  • Twelve Data has been great for accessing real-time and historical data across stocks, forex, crypto and commodities. The API is clean and easy to use, even for quick testing. I started off with their their free plan which is generous before upgrading to a paid plan. The docs are solid with good API examples and the support team are fast and knowledgeable. It’s reliable, fast, and fits well into any project I’ve built so far.
  • Twelve Data delivers high-quality, real-time market data for stocks, forex, and crypto, which has been a game-changer for our algo-trading platform. The APIs are well-documented and easy to integrate, saving us weeks of development time. Their live-chat support is responsive, often resolving issues in minutes. The pricing is competitive, especially for startups, with a free tier for testing.
  • - Data coverage and outstanding quality - Excellent support - Data feeds flexibility (API and WebSocket) - Pricing flexibility (free plan available) - Well documented API endpoints and clear mapping to subscription plans

Cons

  • Not all exchange update real-time, but I don't need them too much. Also, free plan have limit, but for testing is good.
  • The free plan has request limits, but honestly, it's more than enough for testing and small projects. And as a solo dev, the paid plans are pretty fair.
  • The 8 API calls per minute limit on lower-tier plans can be restrictive for high-frequency trading. Also, their community is small, with limited forums for user collaboration.
  • - Indices (per their team expected to be released later this year) - Github repository and integrations require some care
Helious:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Twelve Data:

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported
Helious:

Company Information

TradeIQ Ltd
Founded: 2024
United Kingdom
helious.io
Twelve Data:

Company Information

Twelve Data
Founded: 2020
Singapore
twelvedata.com
Helious:

Alternatives

Twelve Data:

Alternatives

Helious:
Twelve Data:
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SaltingIO LLC
Helious:
Twelve Data:
Helious:
Twelve Data:
Helious:
Twelve Data:
Finage

Finage

5.0 out of 5 stars
Helious:

Categories

Financial Research Supported
Twelve Data:

Categories

Helious:

Integrations

ChatGPT Supported
Model Context Protocol (MCP) Supported
Claude Supported
Claude Code Supported
Cline Supported
Codex CLI Supported
Cursor Supported
Finaxus Not Supported
FundCount Not Supported
Gemini CLI Supported
Google Sheets Not Supported
Grok Supported
JetBrains AI Assistant Supported
Microsoft Excel Not Supported
Perplexity Supported
Visual Studio Code Supported
Twelve Data:

Integrations

ChatGPT Supported
Model Context Protocol (MCP) Supported
Claude Not Supported
Claude Code Not Supported
Cline Not Supported
Codex CLI Not Supported
Cursor Not Supported
Finaxus Supported
FundCount Supported
Gemini CLI Not Supported
Google Sheets Supported
Grok Not Supported
JetBrains AI Assistant Not Supported
Microsoft Excel Supported
Perplexity Not Supported
Visual Studio Code Not Supported
Helious:
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Claim Helious and update features and information
Twelve Data:
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Claim Twelve Data and update features and information