# SEC Fundamentals API — normalized SEC financial data for agents Financial data on 20,000+ US public companies, parsed nightly from SEC EDGAR XBRL filings and normalized to 61 canonical concepts (revenue, net_income, total_assets, operating_cash_flow, gross_margin, roe, ...). Pay per call with x402 (USDC on Base, no signup) or an API key. Identify companies by SEC CIK number (Apple=320193, Microsoft=789019, NVIDIA=1045810, Amazon=1018724, Tesla=1318605). ## Endpoints (GET, JSON) - https://sec.multyplylabs.com/company/{cik}/facts — $0.01/call Normalized SEC EDGAR XBRL facts for any US public company: every reported value (revenue, net income, assets, cash flow, ...) mapped to 61 canonical concepts with filing provenance and data-quality flags. Filter by concept and fiscal year. Source data for fundamental analysis and research agents. - https://sec.multyplylabs.com/company/{cik}/financials — $0.02/call Clean annual financial statements for any US public company from SEC 10-K/10-Q filings: income statement, balance sheet, cash flow, plus derived ratios (gross margin, operating margin, ROE, ROA, FCF, debt-to-equity, R&D intensity). One row per fiscal year, normalized across 20,000+ companies. Ideal for fundamental analysis, valuation models, and investment research. - https://sec.multyplylabs.com/company/{cik}/filings — $0.005/call SEC EDGAR filing index for any US public company with direct document URLs: 10-K annual reports, 10-Q quarterlies, 8-K current reports, Form 4 insider trades, S-1 and more. Filter by form type; freshest filings first, updated within minutes of EDGAR acceptance. - https://sec.multyplylabs.com/aggregate/{metric} — $0.05/call Industry benchmark percentiles (p10/p25/median/p75/p90) for any financial metric across US public companies, grouped by industry (SIC) and revenue size bucket. Answer questions like 'what is the median gross margin of large software companies?' — cross-company aggregates computed from normalized SEC XBRL data. No other API sells this per-call. - https://sec.multyplylabs.com/screen — $0.10/call Stock screener over SEC fundamentals: filter 20,000+ US public companies by any combination of financial metrics (e.g. gross_margin > 0.6 AND revenue > $1B). Returns matching companies with names, tickers, industries and their metric values. Built for agent-driven equity research. - https://sec.multyplylabs.com/compare/{cik} — $0.05/call Peer comparison for any US public company: its financial metrics side by side with industry cohort percentiles, so agents can judge whether margins, growth or leverage are above or below sector norms. - https://sec.multyplylabs.com/insight/buffett_scan — $0.25/call Buffett Quality Score: rank US public companies 0-100 on value-investing fundamentals computed over a 5-year window — owner earnings (net income + D&A - capex), ROE consistency at Buffett's 15% bar, balance-sheet safety (liabilities/equity), and free-cash-flow quality. Per-pillar score breakdown for every company; financial-sector and short-history results flagged. Heuristic screen inspired by Buffett's shareholder letters, not investment advice. Params: fy, min_score, min_revenue, industry, limit. - https://sec.multyplylabs.com/company/{cik}/insider — $0.02/call Recent insider (Form 4) transactions for a company plus a trailing summary: open-market buys vs sales, distinct buyers, net dollar value. Officer/director activity with 10b5-1 plan flags. Not investment advice. - https://sec.multyplylabs.com/company/{cik}/signal — $0.05/call Composite factor scorecard for one company, fusing five independent evidence sources into 0-100 scores: quality (Piotroski F-Score, Altman Z, Sloan accruals), value (owner-earnings DCF margin of safety), insider conviction (Form 4 open-market buying as basis points of market cap), institutional positioning (13F holder change and ownership percentage), and short sentiment (FINRA short-volume percentile within industry). Includes cross-dataset metrics available nowhere else — institutional ownership %, insider buy intensity, short-to-ADV — plus governance and data-quality flags (Form 4 filing latency, Item 4.02 restatements, stale fundamentals). Caller-overridable factor weights. RESEARCH SIGNAL, NOT INVESTMENT ADVICE. - https://sec.multyplylabs.com/insight/top_signals — $0.25/call Rank US public companies by composite factor score across quality, value, insider conviction, institutional positioning and short sentiment. Scored on available factors and renormalized, with a coverage figure so thin results are visible rather than hidden. Weights are caller-overridable. RESEARCH SIGNAL, NOT INVESTMENT ADVICE. - https://sec.multyplylabs.com/company/{cik}/short — $0.02/call Short-selling pressure for a company: FINRA daily short-volume ratio (short volume / total volume) over the trailing ~20 trading days — a bearish-sentiment proxy. Daily short-sale VOLUME, not bi-monthly short interest / float. Not investment advice. - https://sec.multyplylabs.com/insight/heavy_shorting — $0.15/call Companies under the heaviest short-selling pressure by FINRA daily short-volume ratio — bearish-sentiment / squeeze-setup proxy. Daily short-sale volume, not short interest. Not investment advice. - https://sec.multyplylabs.com/company/{cik}/institutional — $0.02/call 13F institutional ownership snapshot for a company: number of institutional holders, aggregate shares/value, and quarter-over-quarter change (are institutions accumulating or trimming). 45-day reporting lag; long-only. Not investment advice. - https://sec.multyplylabs.com/insight/institutional_accumulation — $0.15/call Companies where 13F institutions are accumulating (or distributing) fastest quarter-over-quarter by aggregate share change — smart-money positioning. direction=accumulating|distributing. Not investment advice. - https://sec.multyplylabs.com/insight/insider_buying — $0.15/call Companies with the strongest recent open-market insider cluster buying (officers/directors, code P, excluding funds and 10b5-1 plans), ranked by number of buyers and dollar value. A well-studied positive signal. Not investment advice. - https://sec.multyplylabs.com/insight/piotroski — $0.15/call Piotroski F-Score (0-9): nine fundamental signals of financial strength (Piotroski 2000). Rank US public companies by quality; each result includes the nine component flags. Not investment advice. - https://sec.multyplylabs.com/insight/altman_z — $0.15/call Altman Z-Score bankruptcy/distress screen (Altman 1968). Zones: >2.99 safe, 1.81-2.99 grey, <1.81 distress; defaults to most distressed first. Requires market cap. Not investment advice. - https://sec.multyplylabs.com/insight/beneish_m — $0.15/call Beneish M-Score earnings-manipulation detector (Beneish 1999). M > -1.78 flags likely accounting manipulation; defaults to flagged companies only. A screening heuristic, not an accusation; not investment advice. - https://sec.multyplylabs.com/insight/magic_formula — $0.15/call Greenblatt Magic Formula rank: earnings yield (EBIT/EV) plus return on capital across the priced non-financial universe; rank 1 = best. Requires market cap. Not investment advice. - https://sec.multyplylabs.com/insight/accruals — $0.15/call Sloan accrual ratio (earnings quality; Sloan 1996): (net income - operating cash flow) / assets. Lower = higher-quality earnings; set worst=true for lowest-quality. Not investment advice. - https://sec.multyplylabs.com/insight/buffett_value — $0.25/call Buffett Value Scan: Quality Score fused with previous-close valuation — market cap, FCF yield, owner-earnings yield, P/E, and a 10-year owner-earnings DCF with margin of safety. Find high-quality US public companies trading below intrinsic value; combined_score averages quality and value 0-100. Filters: min_score, min_margin_of_safety, min_revenue, industry. Heuristic screen, not investment advice. - https://sec.multyplylabs.com/insight/{name} — $0.15/call Curated market-wide analyses computed live over all US public companies: top_companies (rank by any metric), movers (biggest metric changes between years), sector_landscape (margin medians per industry), metric_trend (yearly aggregate time series, e.g. total R&D spend 2015-2025), capital_returns (buybacks vs dividends by size), filing_velocity (monthly filing counts). The pre-built research answers behind the raw data. Free catalog of insights and parameters at /insights. ## Examples - https://sec.multyplylabs.com/company/320193/financials?fy_from=2023 — Apple's income statement, balance sheet, cash flow and ratios per fiscal year - https://sec.multyplylabs.com/aggregate/gross_margin?industry=73&size=mega&fy=2025 — median and percentile gross margins of mega-cap software companies - https://sec.multyplylabs.com/screen?fy=2025&filters=[["operating_margin",">",0.25],["revenue",">",1e10]] — profitable large companies ## Curated insights (/insight/{name}, $0.15; free catalog at /insights) - https://sec.multyplylabs.com/insight/top_companies?metric=revenue&fy=2025&limit=25 - https://sec.multyplylabs.com/insight/movers?metric=gross_margin&fy_from=2023&fy_to=2025&min_revenue=1e9 - https://sec.multyplylabs.com/insight/sector_landscape?fy=2025 — margin medians for every industry - https://sec.multyplylabs.com/insight/metric_trend?metric=research_development&agg=sum&fy_from=2015&fy_to=2025 - https://sec.multyplylabs.com/insight/capital_returns?fy=2025 — buybacks vs dividends by company size - https://sec.multyplylabs.com/insight/filing_velocity?form=8-K&months=18 ## Payment Unpaid requests return HTTP 402 with x402 v2 payment requirements (exact scheme, USDC on Base eip155:8453). Settlement via the Coinbase CDP facilitator. Machine-readable catalog: /.well-known/x402.json Discovery metadata (schemas + examples) is embedded in every 402 response. ## MCP Hosted MCP (Streamable HTTP): https://sec.multyplylabs.com/mcp — pass X-API-Key, or run the self-paying stdio server https://sec.multyplylabs.com/mcp-server.py (USDC via x402). Descriptor: https://sec.multyplylabs.com/.well-known/mcp.json