IEX Cloud (by Apperate)

Paid

Real-time financial data infrastructure powered by a high-performance cloud data engine.

Capabilities: Real-time US stock price streaming Historical market data retrieval Financial statement analysis Corporate action tracking Portfolio data enrichment

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9.5

Protocol Reliability Score

Overview

IEX Cloud, now evolving through the Apperate platform, represents a sophisticated shift from a simple REST API to a comprehensive financial data warehouse and orchestration engine. In the 2026 market landscape, it serves as a critical bridge between raw exchange data and application-ready intelligence. Built on the infrastructure of the Investors Exchange (IEX), the platform specializes in low-latency delivery of US equity data, international stock prices, and diverse financial datasets including fundamentals, corporate actions, and ESG metrics. Its technical architecture utilizes a proprietary 'Apperate' engine, allowing developers to link disparate datasets, perform high-speed SQL-like queries on financial time-series data, and automate data ingestion directly into cloud environments like Snowflake or BigQuery. While the platform has moved away from its legacy low-cost retail model toward institutional-grade reliability, it remains the gold standard for startups and enterprises building algorithmic trading bots, wealth management platforms, and real-time market dashboards that require high-fidelity data without the overhead of direct exchange connectivity.