Quick verdict: Alpha Vantage is a convenient API for learning, prototypes and indicator-driven research. The free key is capped at 25 requests per day. Paid plans remove the daily limit, but real-time US stock data begins at $99.99 per month—not at the $49.99 entry tier.
Alpha Vantage pricing in 2026
The free API key allows 25 requests per day. Premium membership starts at $49.99 per month for 75 requests per minute, 15-minute delayed US stock data and end-of-day options data. The $99.99 tier raises capacity to 150 requests per minute and includes real-time US stock data for eligible personal use.
Higher tiers cost $149.99, $199.99 and $249.99 per month for 300, 600 and 1,200 requests per minute. Real-time options data appears on the $199.99 and $249.99 tiers. Annual plans are priced at roughly ten monthly payments, and the vendor states that premium memberships have no daily request limit.
What the free API is actually good for
Twenty-five daily calls are enough to learn the response structure, test a few tickers, build a classroom example or refresh a small end-of-day model. The allowance is too small for continuous portfolio monitoring or a production scanner. A script that pulls several functions for multiple symbols can exhaust it quickly.
Use the free key to prove that Alpha Vantage has the endpoint and data format you need. Measure every call your workflow makes before deciding whether 75, 150 or more requests per minute is appropriate.
Why developers use Alpha Vantage
The API covers time series, fundamentals, forex, cryptocurrencies, economic indicators and a large catalog of pre-computed technical indicators. JSON and CSV responses make it approachable from Python, JavaScript, spreadsheets and common data tools. Pre-computed RSI, MACD and moving-average endpoints are particularly useful for rapid prototypes.
Alpha Vantage is still a raw-data service. It does not replace charts, portfolio accounting, order execution or a complete backtesting application. Non-technical users should consider a ready-made stock screener or charting platform.
Alpha Vantage versus Polygon.io
Polygon.io offers WebSocket streaming on its paid stock plans and a more direct path toward production market-data infrastructure. Alpha Vantage emphasizes straightforward REST calls and pre-computed indicators. Neither provider’s headline price tells the whole story: compare latency, request capacity, asset coverage and usage rights.
Our Alpha Vantage versus Polygon.io comparison is the faster route if those are your final two candidates.
Important entitlement detail
Premium API capacity and real-time market-data entitlement are related but not identical. Alpha Vantage directs personal-use customers through its Alpha X Terminal data-entitlement process for real-time and delayed US market data and options access. Commercial users should contact the vendor instead of assuming a personal subscription permits redistribution.
Who should choose Alpha Vantage?
- Choose it for learning, small research projects and fast indicator prototypes.
- Use the free key when 25 daily requests are genuinely sufficient.
- Budget at least $99.99 per month if eligible real-time US stock data is required.
- Consider another provider if WebSocket streaming or heavy tick-level workloads are central requirements.
Bottom line
Alpha Vantage remains easy to start with, but its free plan is a testing allowance rather than production capacity. The best fit is a developer who values simple endpoints and ready-made indicators more than streaming delivery. Buyers should verify both the request tier and the market-data entitlement before subscribing.
