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About

Democratize Financial Data with the most powerful stock API on the market. Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto. Access real-time stock API, institutional-grade fundamental and alternative data to supercharge your investment for FREE. We provide detailed financial statements for global companies going back 30+ years. 30 years of comprehensive dividends data is also available. Comprehensive list of shareholders classified into individual and institutional. Real-time earnings notification, historical surprises, analyst's price target and upgrade/downgrades. Comprehensive ETFs and Indices data such as profile, holdings, historical constituents and industry exposure. 25 years of historical data for US market updated in real-time. Get direct connection to 10+ forex brokers. Access 15+ crypto brokers with a single API. Precomputed technical indicators, support/resistance levels, pattern recognition and aggregate indicators' signal are supported via our API.

About

Massive is a market-data infrastructure platform built to provide real-time and historical financial data to developers, startups, and trading firms. It delivers institutional-grade market data across stocks, options, indices, currencies, and futures, all via a streamlined API, WebSocket, flat-file S3 access, or SQL query interface. The platform emphasizes low latency, direct connectivity to major exchanges (NYSE, NASDAQ, CBOE, OTC), and data normalization to eliminate survivorship bias and outdated pipelines. Massive positions itself as “modernizing Wall Street” by removing legacy bottlenecks and providing the same quality of market data typically reserved for large institutions, but now accessible to any app builder. The platform also includes extensive documentation, client libraries in Python, JavaScript, Go, and Java, tutorials, and example projects to accelerate integration.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Companies or invidiuals interested in a financial data and stock market API solution

Audience

Developers, fintech startups and trading firms requiring a tool offering institutional-grade market data across multiple asset classes to build apps, analytics or trading systems

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$50 per month per market
Free Version Supported
Free Trial Not Supported

Pricing

$29 per month
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 1.5 / 5
ease 2.5 / 5
features 1.5 / 5
design 1.0 / 5
support 2.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Customer service is usually prompt and available.
  • Broad API coverage (fundamentals, market data, news endpoints) REST endpoints appear to work reliably Pricing is competitive compared to some larger data providers Documentation is fairly extensive

Cons

  • The rest. This is easily the worst option among all the major providers. Feeds are extremely delayed, prices are only sometimes accurate. And they delete any criticisms on Github to try to salvage their awful reputation.
  • WebSocket news feed does not deliver real-time data (only historical items) Unclear documentation about which subscriptions include real-time WebSocket news No response from support after multiple weeks Lack of transparency about entitlements and feature access Not suitable (in my experience) for real-time, production-grade news-driven systems

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Finnhub
United States
finnhub.io

Company Information

Massive
Founded: 2017
United States
massive.com

Alternatives

Alternatives

Categories

Categories

Integrations

AgentKey Supported
Coinbase Not Supported
Finaxus Supported
Go Not Supported
Google Cloud Platform Not Supported
Google Sheets Not Supported
JSON Not Supported
Java Not Supported
JavaScript Not Supported
Microsoft Excel Not Supported
Motley Fool Not Supported
Nasdaq Boardvantage Not Supported
NimbleBrain Supported
Odella Supported
Portfolio Performance Supported
Public Not Supported
Python Not Supported
Revolut Not Supported
SQL Not Supported

Integrations

AgentKey Not Supported
Coinbase Supported
Finaxus Not Supported
Go Supported
Google Cloud Platform Supported
Google Sheets Supported
JSON Supported
Java Supported
JavaScript Supported
Microsoft Excel Supported
Motley Fool Supported
Nasdaq Boardvantage Supported
NimbleBrain Not Supported
Odella Not Supported
Portfolio Performance Not Supported
Public Supported
Python Supported
Revolut Supported
SQL Supported
Claim Finnhub and update features and information
Claim Finnhub and update features and information
Claim Massive and update features and information
Claim Massive and update features and information