Introduction

Welcome to the Index Alpha API documentation.

Welcome to Index Alpha. Index Alpha delivers reliable, structured historical broker summary and foreign flow data for Indonesian stocks - ready for research, backtesting, screeners, dashboards, alerts, and application development.

The same data is available three ways:

  • API - a RESTful API with single-ticker and batch endpoints, Bearer-token authentication, and per-plan rate limits and quotas.
  • CSV / Excel - download broker-summary data directly from your dashboard, or build your own exports with the API.
  • Historical coverage - Regular Market (RG) and Negotiated Market (NG) data from 2025-01-01, updated every trading day at 19:00 WIB (12:00 GMT).

Key Features

  • Broker Summary Analytics: buy and sell frequency, volume, value, and weighted average prices for each broker on a ticker.
  • Foreign Flow: foreign buy, sell, and net flow for any ticker.
  • Batch Requests: up to 50 tickers per request, counted as one quota unit per ticker.
  • Usage Transparency: track quota and rate-limit status in the dashboard and via response headers.

Getting Started

New to Index Alpha? Start with the Five-Minute Quick Start. You'll need an API token from your dashboard; then see Authentication and the API Endpoints reference.

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