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Polygon.io VS IEX Developer Platform

Compare Polygon.io VS IEX Developer Platform and see what are their differences

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Polygon.io logo Polygon.io

Polygon.io offers streaming realtime data for stocks/equities, ETFs, Indecies and Forex/Currencies including crypto currencies. Our Real-Time Stock Data APIs help you build the future on fintech.

IEX Developer Platform logo IEX Developer Platform

The reliable, enterprise API that powers IEX. Free for everyone.
  • Polygon.io Landing page
    Landing page //
    2023-08-18
  • IEX Developer Platform Landing page
    Landing page //
    2023-02-12

Polygon.io features and specs

  • Comprehensive Data Coverage
    Polygon.io offers a wide range of financial data, including stocks, forex, and crypto, making it a one-stop solution for financial data needs.
  • Real-time Data
    The platform provides real-time data feeds, which are crucial for traders and financial analysts to make timely decisions.
  • Developer-friendly API
    Polygon.io has a well-documented and easy-to-use API, which simplifies the integration process for developers looking to access financial data.
  • Historical Data Access
    Users can access extensive historical data through the platform, enabling backtesting and historical analysis of financial instruments.
  • Customizable Subscription Plans
    Polygon.io offers various subscription tiers, allowing users to select the level of access that best fits their needs and budget.

Possible disadvantages of Polygon.io

  • Cost
    For some users, the subscription fees may be considered expensive, especially for smaller businesses or individual investors.
  • Data Limits on Free Tier
    The free access tier has limitations on data availability and usage, which might be restrictive for more demanding applications.
  • Learning Curve
    Despite being developer-friendly, there may still be a learning curve for users who are not familiar with APIs or need specific data integrations.
  • Dependence on Internet Connectivity
    As an online service, uninterrupted access to Polygon.io's data depends on a stable internet connection.
  • Potential Overwhelming Features
    With an extensive range of features and data sets, beginners might find the platform overwhelming without clear guidance or use-case examples.

IEX Developer Platform features and specs

  • Comprehensive Data
    IEX Developer Platform provides a wide range of financial data including stock prices, market cap, outstanding shares, and more, making it a robust tool for developers seeking detailed market information.
  • Free Access
    The platform offers a considerable amount of data for free, which is beneficial for small developers or startups with limited budgets.
  • Real-Time Updates
    IEX delivers real-time financial data updates, which is crucial for applications where up-to-the-minute information is necessary.
  • Clear Documentation
    The IEX API is well-documented, providing clear instructions and examples to help developers integrate and utilize the data efficiently.

Possible disadvantages of IEX Developer Platform

  • Limited Historical Data
    IEX may offer limited historical market data compared to some other data providers, which could be a drawback for users needing extensive historical datasets.
  • Rate Limits
    Free plans on IEX may have rate limits that restrict the number of API calls you can make in a given time, which might require upgrading to a paid plan for higher usage.
  • US-Centric Data
    IEX focuses primarily on US markets, which may not be suitable for developers needing comprehensive international market data.
  • Service Dependency
    Reliance on an external API service can introduce dependencies that may affect application stability if the service experiences downtime or issues.

Polygon.io videos

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Get Stock Pricing Data From The Polygon.io API For Algo-Trading Using Python

IEX Developer Platform videos

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Category Popularity

0-100% (relative to Polygon.io and IEX Developer Platform)

Polygon.io

IEX Developer Platform

Finance
82 82%
Finance
18% 18
Finance Data API
74 74%
Finance Data API
26% 26
Investing
65 65%
Investing
35% 35
Fintech
100 100%
Fintech
0% 0

User comments

Share your experience with using Polygon.io and IEX Developer Platform. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Polygon.io seems to be more popular. It has been mentiond 84 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Polygon.io mentions (84)

  • Latency Wars: The Architecture Of A Real-Time Trading Game
    The market data will be streamed from polygon.io. All trades should be handled by the Game Engine, so in the simplest form, the architecture looks like this:. - Source: dev.to / 26 days ago
  • Driving Smarter Decisions: Using Share Price APIs for Data-Driven Marketing
    Here are some valuable resources for developers exploring share price API solutions: Alpha Vantage API: A free platform offering extensive stock market data, including historical trends and real-time updates. Yahoo Finance API: A widely used service providing comprehensive financial data. Polygon.io: A robust tool for real-time market data and aggregated information across various financial markets. IEX Cloud:... - Source: dev.to / 7 months ago
  • The use of API on a web app, considered individual or commercial use?
    I am building a web app, and I would like to use the polygon.io API on the back-end to forecast the market sentiment. The individual upgrade is $200, while business upgrade would cost $2000. Would my use of the API considered personal or commercial? Source: almost 2 years ago
  • ChatGPT is going to revolutionize the stock market (with data)
    It's worth mentioning that we use polygon.io to provide market information, which has the ability to specify time frames for data. Each ChatGPT call will have the appropriate information at the time it should. We also use a temperature of 0, as we want idempotent predictions. Source: over 2 years ago
  • Good data provider
    I am currently testing the products from Polygon.io . They seem to have everything I need, however I noticed that sometimes prices are not adjusted for splits. I have seen on subreddit that this is a known problem with Polygon (about more than 3 years ago!) so I am wondering about the quality of their data. Source: over 2 years ago
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IEX Developer Platform mentions (0)

We have not tracked any mentions of IEX Developer Platform yet. Tracking of IEX Developer Platform recommendations started around Mar 2021.

What are some alternatives?

When comparing Polygon.io and IEX Developer Platform, you can also consider the following products

Alpha Vantage - Alpha Vantage offers free APIs in JSON and CSV formats for realtime and historical stock and forex data, digital/crypto currency data and over 50 technical indicators.

Twelve Data - The simplest and most effective way to access both realtime and historical stock, forex, cryptocurrency data, and over 100 technical indicators.

Xignite - Financial market data on-demand. Xignite financial Web services help build smarter websites and applications in minutes with zero up-front investment.

Alpaca Trading API - Simple REST API for commission-free stock trading

Financial Modeling Prep - Access all stocks discounted cash flow statements, market price, stock markets news, and learn more about Financial Modeling. Learn M&A, LBO, DCF, Comps, and Financial Statement Modeling thought concrete examples

alphasense - AlphaSense finds information on companies, data and themes from within millions of research documents in seconds, all with ONE simple search.

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