Stock market data APIs for AI agents

Q: What kind of stock data can an agent buy here?

Quotes and price history, SEC filings such as 13F holdings, Form D and 8-K, analyst consensus, congressional trades, options flow and Chinese A-share fundamentals, depending on the listing. Each example says what its verified route returned a receipt for.

Q: Do I need a market data subscription or API key?

No. Each call is paid on its own over x402 in USDC on Base, Solana or Algorand. Discovery through payapi.market/mcp is free. Check the provider terms for redistribution rules on the data itself.

Q: Is this data real time?

It depends on the provider. Some listings serve live quotes and some serve end of day or filing data. The listing page links the provider, and the settlement-verified receipt shows the date PayAPI Market last paid for a real response.

Stock market data APIs give an agent a quote, a filing or an earnings figure for one ticker at a time, priced per call rather than per month. This page keeps Finance, Data and Intelligence listings that talk about stocks, equities, tickers, SEC filings such as 13F and 10-K, earnings, insider trades, options flow, ETFs or dividends, or whose name says stock, equity, options, earnings or A-share. A listing that only mentions money supply or stock of a commodity is not meant to be here, and the whole-word rule keeps most of those out. The agent finds the listing in the free PayAPI Market catalogue and pays the provider directly over x402 in USDC on Base, Solana or Algorand. There is no API key and no data licence to sign. Settlement-verified means a paid route with an on-chain receipt, and the examples below are claimed listings that have one. Unclaimed (bazaar) imports are labelled and follow the examples. Listing is free and providers keep 100% of every settled call.

93 APIs and 1808 endpoints match this page. 59 are settlement-verified: a paid route with an on-chain receipt.

Settlement-verified examples

OptionsFlow · $0.05 · settlement-verified · On-chain receipt
Options flow signal for US equities and crypto (BTC/ETH/SOL). Returns IV skew, put/call ratio, unusual activity and a directional read. One call per ticker.
Yahoo Finance Stock Data & Historical Prices API · $0.01 · settlement-verified · On-chain receipt
Stock quotes, OHLCV chart history, previous close, 52-week range, exchange and currency metadata for ticker research. Deterministic test: symbol=AAPL&range=1mo&interval=1d. Values are publisher observations that may be delayed or revised—not exchange-certified live prices, adjusted history, fundamentals, corporate-action evidence, or investment advice.
SEC Form 13F Institutional & Hedge Fund Holdings API · $0.01 · settlement-verified · On-chain receipt
Search official SEC EDGAR Form 13F-HR and 13F-HR/A filings by investment manager name or CIK, filing date, report quarter, issuer, CUSIP, value, shares, put/call, discretion, and amendment status. Use it for institutional holdings, hedge fund holdings, quarterly manager portfolios, and source-linked investment research with official filing, cover-document, information-table, and search URLs plus bounded-scan disclosure. Form 13F is lagged manager-filed disclosure—not SEC verification, a live or complete portfolio, beneficial-ownership proof, or investment advice. It can omit short positions, non-13(f) securities, and confidential holdings and can later be amended. Deterministic test: managerCik=1067983&maxResults=1&maxFilingsScanned=1 returns Berkshire Hathaway's source-linked American Express holding. MCP tool: search_sec_form_13f_holdings.
Congress Stock Trades & Financial Disclosures API · $0.01 · settlement-verified · On-chain receipt
Search official House and Senate financial disclosure filings by member, chamber, filing year and type, with Periodic Transaction Reports plus annual holdings, transaction summaries, income, and liabilities when available. Deterministic test: query=Tuberville&chamber=senate&filingYear=2025&filingType=O&fetchTransactions=true&maxResults=1 returns one annual filing with 280 holdings, 270 transaction-summary rows, 3 income rows, and 2 liabilities. Filings are filer-submitted official records—not independent verification, a live or complete portfolio, beneficial-ownership proof, investment advice, or a wrongdoing or compliance determination. MCP tool: search_congress_stock_trades.
SEC EDGAR Filings Public Company Evidence API · $0.01 · settlement-verified · On-chain receipt
SEC EDGAR company and filing lookup for investor due diligence, financial research, compliance agents, 10-K/10-Q discovery, and public-company evidence workflows. Prefer tickers for exact company matching: tickers=AAPL&maxResults=2. Also supports cik, company/query text, formType, and maxResults filters.
SEC Form 8-K Material Events, Earnings & M&A API · $0.01 · settlement-verified · On-chain receipt
Search official SEC EDGAR Form 8-K filings by company or ticker, CIK, accession number, date, state, SEC item code, normalized event category, amendment status, and sort order. Use it for earnings, M&A, cybersecurity, executive-change, bankruptcy, restatement, capital-markets, listing, and governance monitoring with record-specific SEC filing links and bounded-scan disclosure. Form 8-K is company-filed disclosure evidence—not SEC verification, a live market feed, investment advice, or proof that a reported event had a particular outcome. Review the linked filing and later amendments. Deterministic test: company=Apple&maxResults=1 returns a source-linked Apple filing. MCP tool: search_sec_form_8k_events.
Massive · $0.01 · settlement-verified · On-chain receipt
Aggregate stock bars over a date range in custom time windows. Pay per request in USDC on Base, no key. The verified route returns daily OHLCV bars for a ticker and date range: open, high, low, close, volume, volume-weighted average price and trade count per bar. The host advertises 23 paid GET routes at $0.01 each, covering bars, snapshots, SMA, EMA, RSI and MACD indicators, ticker reference, news and SEC filings, listed at https://agent.massive.com/llms-full.txt. Only the bars canary is settlement-verified.
ATLAS SEC Filing Delta · $0.01 to $0.03 · settlement-verified · On-chain receipt
Compare US-GAAP facts between SEC filings with official source links, absolute and percentage changes, and an evidence digest. Lite: one concept for $0.01; full: up to eight for $0.03 USDC on Base.
A-share (Shanghai/Shenzhen) trading calendar for the next N days: which dates · $0.01 · settlement-verified · On-chain receipt
A-share (Shanghai/Shenzhen) trading calendar for the next N days: which dates are trading days and which are closed, holiday names included. Correctly treats make-up workdays that fall on weekends as CLOSED for the exchange - a common mistake. Optional ?days=1-120 and ?from=YYYY-MM-DD. No API key and no signup: call the endpoint, it answers HTTP 402 with the payment terms, pay per request in USDC on Base with any x402-compatible client or wallet, then retry the same request to get the data.
A-share block trade (大宗交易) detail for the latest trading day, or any date you · $0.02 · settlement-verified · On-chain receipt
A-share block trade (大宗交易) detail for the latest trading day, or any date you pass: deal price, close price, premium or discount versus the close, traded shares, turnover in yuan, the buyer and seller brokerage seats, the stock's change percent, turnover rate and the trade's rank for that stock. Includes per-day totals and counts of premium vs discount trades. Pass ?date=YYYY-MM-DD for a past day, ?symbol=002384 for one stock, ?sort=amount|volume|premium and ?limit=1-300. Block trades often front-run or follow major position changes, and this data is otherwise only published as paginated web pages. 中文：A股大宗交易明细 - - 成交价、折溢价率、成交量额、买卖营业部席位，默认最近一个交易日，含每日汇总。 No API key and no signup: call the endpoint, it answers HTTP 402 with the payment terms, pay per request in USDC on Base with any x402-compatible client or wallet, then retry the same request to get the data.
A-share dividend and bonus-share plans (分红送转): the per-10-share cash dividend · $0.02 · settlement-verified · On-chain receipt
A-share dividend and bonus-share plans (分红送转): the per-10-share cash dividend and/or bonus/reserve-to-share conversion plan just disclosed, the implementation progress (pre-disclosure, board approved, shareholder approved, implemented), the plan announcement date, report period, total shares and the stock's move on the 10th trading day after the announcement. Sorted newest first, so the top of the list is what was just published. Pass ?symbol=600519 for one stock, ?report=2026-06-30 to pin a fiscal period, or ?limit=1-300. This ships a cross-sectional view of the whole market that no single-stock API can give you, useful for dividend-harvesting screens and event studies. 中文：A股分红送转方案 - - 每 10 股派息/送转预案、实施进度、公告日、报告期，以及公告后第 10 日涨跌幅。 No API key and no signup: call the endpoint, it answers HTTP 402 with the payment terms, pay per request in USDC on Base with any x402-compatible client or wallet, then retry the same request to get the data.
A-share sell-side rating consensus (机构评级一致预期) in one call: how many brokers · $0.02 · settlement-verified · On-chain receipt
A-share sell-side rating consensus (机构评级一致预期) in one call: how many brokers cover each company, how their ratings split across buy/add/neutral/reduce/sell, the public target-price range, actual and forecast EPS by year, industry, region and concept tags. Pass ?symbol=000001 for one stock, ?minInstitutions=10 to keep only well-covered names, ?sort=institutions|buy|add|neutral|longTerm|targetHigh|targetLow, ?direction=asc, and ?limit=1-200. This turns a paginated broker-consensus web table into one machine-readable snapshot. 中文：A股机构评级一致预期 - - 覆盖机构数、买入/增持/中性/减持/卖出分布、目标价区间与逐年 EPS 预测。 No API key and no signup: call the endpoint, it answers HTTP 402 with the payment terms, pay per request in USDC on Base with any x402-compatible client or wallet, then retry the same request to get the data.

Unclaimed (bazaar) imports

These rows were imported and the provider has not claimed them. They are not the examples above.

Company intelligence lookup: resolve a US-listed company ticker through the SEC… · $0.002 · settlement-verified · Unclaimed (bazaar)
Company intelligence lookup: resolve a US-listed company ticker through the SEC EDGAR company ticker dataset. Company intelligence lookup: resolve a US-listed company ticker through the SEC EDGAR company ticker dataset. Returns CIK, ticker, and registrant name for company research, SEC filing discovery, and equity due diligence.
Corporate governance data for a Japanese listed company from its latest annual… · $0.01 · settlement-verified · Unclaimed (bazaar)
Corporate governance data for a Japanese listed company from its latest annual securities report filed with EDINET, Japan FSA. Corporate governance data for a Japanese listed company from its latest annual securities report filed with EDINET, Japan FSA. Look up by stock ticker (e.g. 7203) or EDINET code. Returns executive compensation by officer category (fixed, bonus, performance-based, stock awards), individual director pay over 100 million yen, top-10 major shareholders with ownership ratios, and cross-shareholdings (policy-held stocks) with issuer, shares and value. For governance screening, proxy and ESG research.
Current USD prices for any crypto asset: majors by ticker (BTC, ETH, SOL),… · $0.003 · settlement-verified · Unclaimed (bazaar)
Current USD prices for any crypto asset: majors by ticker (BTC, ETH, SOL), anything else by CoinGecko id or chain + contract address — so long-tail meme tokens work too. Current USD prices for any crypto asset: majors by ticker (BTC, ETH, SOL), anything else by CoinGecko id or chain + contract address — so long-tail meme tokens work too. Up to 25 assets per call with per-asset confidence scores and timestamps. Crypto only; no equities or ETFs. POST a JSON body like: {"symbols":["BTC","ETH","pepe"]}
Current weekly stock analytics for equity research and pre-trade analysis · $0.0035 · settlement-verified · Unclaimed (bazaar)
Current weekly stock analytics for equity research and pre-trade analysis. Returns the latest Stock Trends indicator snapshot for a symbol. Stock Trends indicators are part of a multi-decade classification framework with records extending back to 1980. Their value comes from consistent semantics across market history: trend state, trend persistence, relative performance, relative performance direction, and volume activity are encoded in a stable doctrine designed for longitudinal research.
EDINET filing calendar: annual securities reports (yukashoken hokokusho) filed… · $0.002 · settlement-verified · Unclaimed (bazaar)
EDINET filing calendar: annual securities reports (yukashoken hokokusho) filed by Japanese listed companies in a date range. EDINET filing calendar: annual securities reports (yukashoken hokokusho) filed by Japanese listed companies in a date range. Returns company code, EDINET document ID, fiscal period, accounting standard (JGAAP/IFRS/USGAAP) and the exact filing timestamp for each report — track new disclosures, trigger data pipelines, or find which Japanese stocks just reported. Query: /v2/calendar?from=2026-06-20&to=2026-06-30 (max 92 days per request).
Full-text search across every aggregated data source in one call: news, SEC… · $0.01 · settlement-verified · Unclaimed (bazaar)
Full-text search across every aggregated data source in one call: news, SEC filings, court opinions, academic papers, government records, and developer discussions. Full-text search across every aggregated data source in one call: news, SEC filings, court opinions, academic papers, government records, and developer discussions. One query surfaces everything concordant across independently-sourced, citable results -- not a single-source wrapper. Optional source/category/since filters.
Fundamentals of a Japanese listed company from its latest annual securities… · $0.005 · settlement-verified · Unclaimed (bazaar)
Fundamentals of a Japanese listed company from its latest annual securities report (yukashoken hokokusho) filed with EDINET, Japan FSA's disclosure system. Fundamentals of a Japanese listed company from its latest annual securities report (yukashoken hokokusho) filed with EDINET, Japan FSA's disclosure system. Look up by Tokyo Stock Exchange ticker (e.g. 7203) or EDINET code. Returns company profile, IFRS/JGAAP financials — revenue, operating income, net income, total assets, equity, operating cash flow, EPS, ROE — with 5-year history, plus employee headcount, average salary, age and tenure. For fundamentals research and Japan stock screening.
Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (... · $0.001 · settlement-verified · Unclaimed (bazaar)
Latest crypto token prices by ticker symbol, CoinGecko id, or chain:address (BTC, ETH, SOL, or base:0x…): current spot price, token symbol, decimals, and a confidence score, for up to 50 coins in one call. Pass ?at=<unix> for the historical price at a point in time. Sourced from DefiLlama across every major chain.
Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10... · $0.003 · settlement-verified · Unclaimed (bazaar)
Latest SEC EDGAR filings for any US-listed company by stock ticker or CIK: 10-K annual reports, 10-Q quarterly reports, and 8-K material events. Resolves ticker to CIK via SEC's official index and returns the parsed filing (company, form type, dated items). Sourced live from data.sec.gov.
Market data OHLC candlestick bars for stocks, crypto, forex and options —… · $0.015 · settlement-verified · Unclaimed (bazaar)
Market data OHLC candlestick bars for stocks, crypto, forex and options — historical aggregates over any window by ticker. Market data OHLC candlestick bars for stocks, crypto, forex and options — historical aggregates over any window by ticker.
OHLC history with window extremes (highest high / lowest low over the window) · $0.001 · settlement-verified · Unclaimed (bazaar)
OHLC history with window extremes (highest high / lowest low over the window). Crypto via Coinbase (GET /v1/candles?product=ETH-USD&days=30; hourly bars <= 7d, six-hour <= 31d, daily <= 350d). Metals / indices / forex / stocks via ?sym=XAU&cls=Commodities[&quote=USD]. Returns { productId, days, high, low, candles, series: [[startSec, open, high, low, close], ...] } oldest first. Full details: GET /v1.
Real crypto market data in one batched call: price, market cap, market-cap… · $0.005 · settlement-verified · Unclaimed (bazaar)
Real crypto market data in one batched call: price, market cap, market-cap rank, 24h volume/high/low/change, circulating/total/max supply, and all-time-high with date -- for BTC, ETH, SOL, and 17+ other major coins by ticker. Real crypto market data in one batched call: price, market cap, market-cap rank, 24h volume/high/low/change, circulating/total/max supply, and all-time-high with date -- for BTC, ETH, SOL, and 17+ other major coins by ticker. Richer than a plain price feed: most stock-data APIs' crypto tickers report null market cap. From CoinGecko. $0.005/call.

Questions

What kind of stock data can an agent buy here?