Base URL
Authentication
Send your API key in theX-API-Key header on every request:
Response envelope
Every endpoint returns the same shape:data is always an array, even for single-record results.
Endpoint catalog
The full interactive API reference (auto-generated from our OpenAPI spec) is being migrated into this site. In the meantime, browse the live Swagger UI at data-tools.prd.arrays.org/swagger.
Equity
Quote, fundamentals, estimates, earnings, ownership, options
Crypto
Spot, futures, funding, on-chain metrics, exchange flow
ETF & Funds
Holdings, sector weights, fund flow
Macro & Economics
Treasury, CPI, GDP, forex, commodities, VIX
News & Transcripts
Market news, earnings calls
Stock Screener
70+ filters
Polymarket
Prediction market data
Technical Metrics
Darkpool, analyst ratings