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Massive

Market data platform providing developers with institutional-grade real-time and historical financial data via modern APIs. Coverage includes stocks, options, indices, forex, and cryptocurrency. Developer-friendly with RESTful APIs, WebSocket streaming, flat files, and client libraries for Python, JavaScript, Go, and Java.

Overview

Pricing Model
usage-based
PlatformsFlat FilesREST APISQLWebSocket
MarketsCryptoForexFuturesIndicesOptionsStocks

Products & Services

Market Data API

data_provider

Institutional-grade financial market data via REST and WebSocket APIs covering stocks, options, forex, crypto, futures

$29 / month Free tier available Basic API access
  • 350B+ stock data points
  • 722B+ options data points
  • Real-time under 20ms latency
  • REST/WebSocket/S3/SQL access
  • Python/JS/Go/Java SDKs
  • Direct exchange co-location
Learn more

Flat Files (S3)

data_provider

Bulk historical data access via S3 interface for batch processing

$99 / month
  • Batch data downloads
  • S3 compatible interface
  • Historical data since 2003
  • CSV and JSON formats
Learn more
Bundle available - All asset classes included off

Company Information

Legal Name
Massive Inc
Headquarters
Atlanta, Georgia, USA
Team Size
10-50
Primary Timezone
America/New_York

Founding

Background
Event contracts and prediction markets platform

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