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Alpha Vantage API showed inaccurate results from time to time and their customer support is nonexistent.

• tunesmith 7y ago
  I've noticed the same thing with Alpha Vantage, but I switched to Alpha Vantage because Yahoo turned off their public API. It's the Yahoo API available again now?
  • blakbelt78 7y ago
    They have an undocumented one that you can check in the network tab on your browser. this is how the API looks like https://query1.finance.yahoo.com/v8/finance/chart/%5EGSPC?interval=1d&range=5d https://query1.finance.yahoo.com/v8/finance/chart/%5EGSPC?in...
  • readme 7y ago
    I'm using it in a project with the yfinance python module.
  • aloukissas 7y ago
    We've had the paid plan with "premium" support. Inexistent and borderline rude. We just moved to IEX cloud for data (proper documentation, sandbox, etc).