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
1
Get an API key
Sign up at arrays.org and copy your key from the dashboard.
2
Pick your path
Use Skills if you’re inside an AI agent, or the REST API if you’re writing code.
3
Make your first call
Follow the Quickstart — every path gets you a working response in under a minute.