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Add to SafariWhen comparing IEX Developer Platform vs ALPHA VANTAGE, the Slant community recommends IEX Developer Platform for most people. In the question“What is the best stock market API?” IEX Developer Platform is ranked 2nd while ALPHA VANTAGE is ranked 3rd. The most important reason people chose IEX Developer Platform is:
It has multiple SDKs ready to use on plenty of platforms.
Question Ranking
Pros
Pro Unofficial libraries and integrations
It has multiple SDKs ready to use on plenty of platforms.
Pro There are no request limits
They do throttle requests per IP, but you should get over 100 per second.
Pro Good documentation
The API is well documented with examples.
Pro No login required
No paperwork or login required to get started.
Pro Free as in 'free pizza'
It costs nothing.
Pro Has a lot of technical indicators
Alpha Vantage API supports a lot of technical indicator out of the box
Pro Good documentation with examples
Pro Has free tier
You can get started without paying a dime.
Pro Has real-time data
Cons
Con No official libraries or integrations
Only third-party integrations so you likely need to write your own for your own needs.
Con Does not have technical instruments
API does not provide you stats like MACD, STOCH etc.
Con API Call limits
Free tier has API request limitation of up to 5 API requests per minute and 500 requests per day. If you would like to target a larger API call volume, you will need premium membership.
