Two ways to integrate
Pick how you call Arrays — both hit the same 100+ endpoints.🧩 Skills
For AI agents. Install our Markdown skills into Claude Code, Cursor, Codex, or Windsurf — the agent calls the API for you.
🔌 REST API
For developers. A single API key, 100+ endpoints, SDKs for curl / Python / Node / Go.
Two ways to pay
Choose the billing model that fits your workload — both work across Skills and the REST API.💳 Subscription
Predictable, all data. Pick a plan, get an API key, and call every endpoint. Best for steady workloads and teams who want a dashboard.
🪙 Nanopayment
Pay per call, no signup. Settle each request in USDC via x402 + Circle Gateway. Crypto endpoints today, more soon.
Data coverage
Equities
50+ exchanges, fundamentals, estimates, insider/senate trades, options
Crypto
500+ tokens, spot + futures, on-chain metrics, exchange flow, screener
ETF & Funds
Holdings, sector weights, fund flow
Macro
CPI, GDP, Treasury, forex, commodities, VIX
Alt-data
Earnings transcripts, SEC filings, prediction markets
Get up and running in 60 seconds
Get an API key
Sign up at arrays.org and copy your key from the dashboard.
Make your first call
Follow the Quickstart — every path gets you a working response in under a minute.