x402 · USDC ON BASE · NO API KEY

DF Market Intelligence

Fresh, agent-ready market intelligence paid per call over x402 (USDC on Base): SEC insider trades and cluster buying, Polymarket + Kalshi prediction-market probabilities and movers, a 24-indicator US macro dashboard with release calendar, and intelligence on the x402 agent economy itself (service rankings, trends, pricing, and a usage-ranked search to find the right paid API for a task). No API key, no signup.

catalog.json/.well-known/x402llms.txtopenapi.jsonstatus

Insider trades

Latest insider trades$0.01
GET /api/v1/insider/latest?type=…&min_value=…&limit=…

Most recent SEC Form 4 insider transactions (US stocks), parsed to clean JSON within minutes of filing. Filter by type (P=open-market buy, S=sale) and minimum dollar value.

Insider activity for a stock$0.02
GET /api/v1/insider/ticker?symbol=…&days=…

All insider buys and sells for one ticker over a window, with a summary: buy vs sell dollar value, distinct buyers/sellers and a net_buying / net_selling signal.

Insider cluster buying$0.05
GET /api/v1/insider/clusters?days=…&min_insiders=…

Stocks where several different insiders bought shares on the open market in the same window — one of the strongest public insider signals. Ranked by number of insiders and dollar value.

Prediction markets

Top prediction markets$0.005
GET /api/v1/predictions/top?source=…&limit=…

Highest-volume live prediction markets across Polymarket and Kalshi with implied probabilities, 24h change, volume and close time. Refreshed every 15 minutes.

Search prediction markets$0.01
GET /api/v1/predictions/search?q=…&limit=…

Find the market-implied probability of any event (elections, Fed decisions, sports, crypto, geopolitics) across Polymarket and Kalshi by keyword.

Prediction market movers$0.01
GET /api/v1/predictions/movers?min_volume=…&limit=…

Markets whose implied probability moved the most in the last 24h — what the crowd suddenly changed its mind about. Filtered by minimum volume.

US macro

US macro dashboard$0.01
GET /api/v1/macro/latest

Latest value, change and year-over-year % for 24 key US indicators: CPI, core CPI, PCE, payrolls, unemployment, jobless claims, Fed funds, 2y/10y/30y yields, curve, mortgages, GDP, M2, Fed balance sheet, dollar index.

Macro time series$0.005
GET /api/v1/macro/series?id=…

History (up to ~260 observations) plus summary stats for one US macro series by FRED id.

Economic release calendar$0.005
GET /api/v1/macro/calendar?days=…

Upcoming US economic data releases (CPI, jobs report, GDP, etc.) for the next N days.

Agent economy (x402)

x402 agent-economy overview$0.01
GET /api/v1/x402/overview

State of the x402 agent economy from the full Bazaar catalogue: services, endpoints, 30-day paid calls, estimated USDC volume, demand by category, network mix, top services, and how much volume comes from a handful of wallets (concentrated / likely self-traffic). Refreshed every cycle.

x402 service rankings$0.01
GET /api/v1/x402/services?sort=…&category=…&include_concentrated=…&limit=…

Ranked x402 services (by 30-day calls, unique payers or estimated revenue) with endpoint count, median price, networks and a concentration flag that filters out services whose volume comes from fewer than 5 wallets. Filter by category.

Find a paid API for a task$0.005
GET /api/v1/x402/search?q=…&max_price=…&category=…&limit=…

Agents: describe what you need ('weather forecast', 'token price', 'transcribe audio') and get matching x402 endpoints ranked by real usage, with price, method, network and recent activity. Decoy/honeypot endpoints (≥$1000) are excluded.

Trending x402 services$0.02
GET /api/v1/x402/trending?days=…&limit=…

Which x402 services gained or lost the most paid calls versus N days ago, plus new entrants — built from our daily snapshots of the whole catalogue.

x402 price benchmarks$0.01
GET /api/v1/x402/pricing

What paid agent APIs cost, per category: 25th/50th/75th percentile price, free share, and the median price of endpoints that actually get paid calls. For sellers setting prices and buyers checking value.

How to pay

Call any endpoint. You get 402 Payment Required with the price; an x402 client pays in USDC and retries automatically. Bad input is rejected with 400 before payment, and failed requests are never settled.

Sources: SEC EDGAR (public domain), FRED / U.S. government statistics, Polymarket and Kalshi public market data, the public x402 Bazaar catalogue. Revenue figures for x402 services are estimates (calls × listed price). Informational only, not investment advice.