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Overview

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The Studying Stocks API gives you standardized fundamentals for listed US companies, built from SEC EDGAR filings, and our own free cash flow valuation. It is a read-only JSON API.

  • Our data only. Every value comes from SEC EDGAR filings (public domain) or from our own calculations on them. Calculated items (free cash flow, ROIC, debt to free cash flow, the valuation) are marked as such in the line items guide.
  • Source-linked. Responses link to the company's SEC filings, so you can check a value where it was reported.
  • Built for developers and AI agents. One version, a few endpoints, an OpenAPI 3.1 document, llms.txt and a skill file for agents.

Base URL

https://studyingstocks.com/api/v1

Endpoints

Endpoint Returns
GET /companies Covered companies, with search, exchange filter and paging
GET /companies/{symbol} A company's profile and data coverage
GET /companies/{symbol}/financials Standardized line items per period (TTM or annual)
GET /companies/{symbol}/financials/revisions Restatement history of the line items
GET /companies/{symbol}/valuation Our 10-year free cash flow valuation
GET /status API version, data freshness and number of companies (no key needed)

Access and price

API access is included in the Premium plan, for personal and commercial use, with no extra tiers. Subscribers create their key on the profile page. Limits are 60 requests per minute and 10,000 per day per key; if you need more, contact us for higher limits.

Terms in short

  • The data is provided as is and is not investment advice.
  • The rate limits apply.
  • v1 is in beta and may change; every change is announced in the changelog.

Where to go next

  1. Quickstart: from key to first request in two minutes.
  2. Authentication, rate limits and errors.
  3. The endpoint pages, or the interactive reference.
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