
Alpha Vantage
Polygon.io
Financial Modeling Prep
FinancialData.net
FinFeedAPI
Hotstoks
Open Exchange Rates
The simplest and most effective way to access both realtime and historical stock, forex, cryptocurrency data, and over 100 technical indicators.

LoneStarOracle.xyz
Polygon.io
Colabity
Nansen
To Build Something
thirdweb
Bluelearn
Extract, Transform & Stream Blockchain Data

Which is more popular?
Based on our record, Twelve Data seems to be more popular. It has been mentioned 9 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | twelvedata.com | projectzero.io |
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What each product offers, as listed by its team.


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No features have been listed yet.
An editorial look at what each product does well and who it suits.


No analysis of Twelve Data yet.
Overall verdict
Why this product is good
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Twelve Data Demo Review
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Twelve Data and Project Zero. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Straightforward to use and powerful API to get financial data in real-time and complete historical data. Best in class Python package.
We have no reviews of Project Zero yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I chose Twelve Data for stock and crypto prices. Free tier: 800 calls per day. My math: 5 symbols × 96 fetches/day (every 15 minutes) = 480 calls. Comfortable margin. - Source: dev.to / 2 months ago
I am using TwelveData forex API for Extraction of raw data from the financial markets in JSON format. - Source: dev.to / over 1 year ago
Twelve Data provides extensive financial market coverage, making it ideal for those looking for a free API for building a stock portfolio tracker. - Source: dev.to / over 1 year ago
Tracking Project Zero since Jul 2024.
When comparing Twelve Data and Project Zero, you can also consider the following products.

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.
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Pay-per-call market, crypto, and real-economy data APIs — no key, no subscription.
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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.
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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
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Stock Market and Financial Data API
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