
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.
Colabity
CofounderFit
CoFinds
CoFoundersLab
coHounder
Edunin
The World's first MVP marketplace
Easiest way to buy & sell side projects and meet founders

Which is more popular?
Based on our record, Twelve Data should be more popular than SecondFounder. 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 | secondfounder.com |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
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 SecondFounder. 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.
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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
Hi HN, I am selling my product https://secondfounder.com. It is a platform where you can buy/sell your side projects. Existing products/platforms are easy to use and try to provide most of the information needed to acquire a project, but... - Source: Hacker News / over 3 years ago
When comparing Twelve Data and SecondFounder, you can also consider the following products.

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Get aligned before you split equity, roles, and responsibility. Start with a free founder profile, then turn cofounder compatibility signals into documented decisions.
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Find cofounders, founding team or other professionals by pitching your startup in 200 characters or less.
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