Value Stock Score API

Programmatic access to Graham-based value investing analytics.

Integrate our proprietary Graham Score, DCF valuation, and Margin of Safety analysis directly into your own applications, trading bots, and research tools

Who it is for

Whether you’re building trading bots, running a research platform, or managing a portfolio — our API gives you the same Graham-based analytics used by professional value investors

Research platforms

Fill your dashboards with Graham Score

Portfolio managers

Bulk analysis of 500+ S&P 500 tickers

Data scientists & experts

Structured metrics for backtesting

Trading bots & algos

Automate your value screening

Pricing

One simple plan. No tiers, no hidden fees. Pay as you grow

Item Description
Monthly (Plan) Charge $ 200 / month
Yearly (Plan) Charge $ 2,000 / year (save $ 400)
Rate limit 100 requests per minute
Monthly quota 200,000 requests
Batch size Up to 50 tickers per request
API keys Up to 4 per account
Coverage S&P 500 — growing

Quick start

Get started in seconds. No SDK required — just curl and your API key

# Get Graham Score for a ticker
curl -H "X-API-Key: *** \
  https://api.valuestockscore.com/api/v1/b2b/tickers/AAPL/

# Batch analysis
curl -X POST -H "X-API-Key: *** \
  -H "Content-Type: application/json" \
  -d '{"tickers": ["AAPL", "MSFT", "GOOGL"]}' \
  https://api.valuestockscore.com/api/v1/b2b/batch/

Swagger docs

Explore every endpoint, see request and response examples, and test API calls directly from your browser — no authentication required for read-only exploration

READ API DOCS

What you get

Every response includes our proprietary metrics — calculated from real financial data, not estimates

Indicator Description
Graham Score (0–11) Composite score based on Benjamin Graham's 11 rules
DCF Valuation Intrinsic value per share with conservative assumptions
Margin of Safety Discount to intrinsic value as a percentage
Financial Health Current ratio, debt/equity, earnings stability
Earnings Transcripts Latest earnings call transcripts
Batch Analysis Up to 50 tickers in a single request

FAQ

Quick answers to the most common questions about our API. If you need help with something else, feel free to contact us

What is the Value Stock Score API?

It’s a programmatic interface to our proprietary Graham-based analytics. You get Graham Score, DCF valuation, Margin of Safety, and 22 financial metrics for S&P 500 stocks — delivered via REST API.

How do I get an API key?

Purchase API access from your API Dashboard. After payment, a key is created automatically. You can generate up to 4 keys per account.

Is there a free trial?

There’s no free trial, but you can explore every endpoint through our Swagger UI documentation — no API key required. You’ll see the request format, response structure, and try calls directly from your browser.

How much does it cost?

$200/month or $2,000/year. One simple plan with 100 requests per minute and 200,000 requests per month. No tiers, no hidden fees.

What tickers are supported?

All S&P 500 stocks, with coverage growing. We add new tickers regularly.

Can I analyze multiple tickers at once?

Yes. The batch endpoint accepts up to 50 tickers per request, so you can analyze your entire watchlist in a single call.

Do I need a VSS subscription to use the API?

No. The API is a separate product. You don’t need a Standard or Premium subscription to buy API access.

Ready to integrate?

Purchase API access from your API Dashboard — instant activation, no sales calls

BUY API ACCESS