// SEC FUNDAMENTALS API

SEC fundamentals, with lineage to the source filing.

Normalized SEC financial data for developers and AI agents. Every metric includes its source filing, XBRL fact, and quality status.

Explore the live API Request API key View documentation

Metric

Revenue

$391.04B

AAPL · TechnologyFY2024

Source verified

Source

Apple Inc. 2024 10-K

Filed: Nov 1, 2024
XBRL concept: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
Normalization: Direct XBRL fact
Confidence: High

View filing on SEC.gov ↗

Usage preview

$391.04BFY24

Hover or focus a point to inspect each period.

Source-traced

RevenueVerified
Operating Cash FlowVerified
Free Cash Flow (FY2024)Missing input

No silent estimates.

GET /v2/companies/AAPL/metrics/revenue/explain?periodId=FY2024

{
  "schemaVersion": "metric-explain-v2",
  "ticker": "AAPL",
  "metric": "revenue",
  "value": 391035000000,
  "unit": "USD",
  "statement": "INCOME_STATEMENT",
  "factType": "NORMALIZED_DIRECT",
  "period": {
    "id": "FY2024",
    "fiscalYear": 2024,
    "fiscalPeriod": "FY",
    "start": "2023-10-01",
    "end": "2024-09-28"
  },
  "source": {
    "filingType": "10-K",
    "filingDate": "2024-11-01",
    "accessionNumber": "0000320193-24-000123",
    "xbrlConcept": "us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax",
    "secUrl": "https://www.sec.gov/Archives/edgar/data/320193/000032019324000123/aapl-20240928.htm",
    "highlightUrl": null
  },
  "quality": {
    "status": "AVAILABLE",
    "confidence": "HIGH",
    "warnings": []
  }
}

Static example response — not a live query.

// TRY A TICKER (LIVE DATA)

This calls the real, public LedgerBase V2 financial-series API — no key required for these three tickers. Click any value to pull its filing evidence or derivation on demand.

AAPLAAPL

GET /v2/companies/AAPL/financials?period=FY&limit=5&metricSet=core&order=desc

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Source-traced

Every metric links to the SEC filing and XBRL fact it came from.

Normalized

Income, balance sheet, and cash flow metrics keyed consistently across companies.

AI-ready

A response mode designed for LLM grounding, with confidence scores and structured lineage.

// HOW IT WORKS

Request an API key.

Free during early access.

Call any company by ticker.

Get fundamentals, lineage, and quality status.

Ship.

Audit any number back to its source filing.

GET /financial-health

curl api.ledgerbase.cc/v1/companies/MSFT/financial-health \
  -H "X-API-Key: $LEDGERBASE_KEY"

RESPONSE200 OK

{
  "ticker": "MSFT",
  "fiscalPeriod": "FY",
  "overallStatus": "STRONG",
  "modelVersion": "financial-health-v1",
  "signals": {
    "incomeStatement": "STRONG",
    "balanceSheet": "STRONG",
    "cashFlow": "STRONG"
  },
  "missingMetrics": [],
  "abbreviated": true
}

Not a single-trick API.

Run rule-based financial health checks, explain a metric’s lineage, or pull point-in-time statements — same traceable contract.

See how metric lineage works in the API reference

// WHO THIS IS FOR

Backend developers

Building investor tools, portfolio trackers, or research dashboards.

AI agent builders

Grounding LLM responses in source-traced financial data.

Quantitative researchers

Point-in-time fundamentals without enterprise data licenses.

// BUILT FOR TRUST

We tell you what we know, and what we do not.

SEC-derived values remain primary. Missing metrics stay missing, and external references are used for validation rather than replacement.

SEC is the sourcePersisted filing data, not a live proxy

Lineage is visibleFiling and XBRL evidence where available

Missing means missingNo convenient substitute for unavailable facts

See how lineage and quality states work

Free during early access.

We're onboarding developers personally. Tell us what you're building.