Massive

Financial Data APIsmassive.com

Massive (formerly Polygon.io) provides real-time and historical stock market and cryptocurrency data APIs to developers, fintech firms, and trading platforms globally via a subscription-based, self-serve developer infrastructure model.

Company typePrivate
Founded2016
HeadquartersAtlanta, United States
Headcount11–50
GTM typeB2B
OfferingSoftware

What Massive does

Massive is a financial data API infrastructure company headquartered in Atlanta, United States, founded in 2016 and originally operating as Polygon.io before rebranding to Massive.com on October 30, 2025. The company provides programmatic access to financial market data through two core REST API products: a Stock Market API delivering real-time and historical equity data and corporate event information, and a Historical Cryptocurrency Data API providing OHLCV and tick-level data for centralized exchange coins and tokens. The cryptocurrency product has documented coverage gaps — notably the absence of Binance data and no DEX coverage — which constrains its competitive parity in the digital-asset segment. Technology is delivered as a developer-facing API with self-serve access; no proprietary datasets of scale or unique inference layer are documented in the source material.

The company operates an API-first, subscription-based recurring revenue model, selling programmatic data access to a horizontally-segmented base of software developers, fintech companies, and trading platforms globally. Specific pricing tiers are not publicly disclosed. Distribution is exclusively self-serve through the API portal, with awareness generated via developer documentation, industry comparison content, and analyst coverage. In November 2025, Massive added institutional credibility and product depth through a partnership with TMX Group to redistribute TMX's Corporate Event Data via its API infrastructure. In February 2026, the company promoted Maggie Rodney and appointed Matthew Klein as Partners to support platform expansion and a newly articulated deep-technology investment strategy, signaling a potential evolution beyond pure data infrastructure into adjacent technology investment activity.

Massive firmographics

Firmographics

Name: Massive
Website: https://massive.com
Company type: Private
Founded year: 2016
Operating status: Operating
Headcount range: 11–50 employees
Short description: Massive (formerly Polygon.io) provides real-time and historical stock market and cryptocurrency data APIs to developers, fintech firms, and trading platforms globally via a subscription-based, self-serve developer infrastructure model.
Ownership category
akta.pro rank

Massive industry classification

Industry

Product category: Financial Data APIs
NAICS: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (51821), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518)
SIC: Services-Computer Programming, Data Processing, Etc. (7370)
akta.pro primary industry: Blockchain Data & Indexing Infrastructure for Finance (Nodes, Indexers, Oracles) (FSAGAMAL)

Keywords

Stock market data
Cryptocurrency data
Financial data API
Market data infrastructure
Historical data feeds

Where Massive is headquartered

Location

Headquarters

HQ city: Atlanta
HQ country: United States
HQ region: North America

Markets served

Massive business model

Business model

GTM type: B2B
Offering type: Software
Cost components: Technology or R&D, Personnel, Infrastructure, Supply Chain, Marketing or Sales, Operations

Revenue model

API Data Services: Massive generates revenue through API-based data services, providing programmatic access to stock market data and financial information. The platform operates as a data infrastructure provider for developers and trading platforms.

Pricing tiers

Model	Billing	Price
Subscription	Monthly	API subscription plans for stock market and cryptocurrency data access

Go-to-market motion1 record

Distribution channels1 record

Marketing channels2 records

Massive product offering

Product offering

Core offering

Massive provides real-time and historical stock market data and cryptocurrency market data through developer-facing REST APIs. The platform delivers OHLCV and tick-level data for centralized exchange coins and tokens, as well as corporate event data via a partnership with TMX Group, serving software developers, fintech firms, and trading platforms with programmatic market data access.

Product overview

Massive is a financial data API company offering two primary data products: a Stock Market API and a Historical Cryptocurrency Data API. The Stock Market API provides real-time and historical stock market data, while the cryptocurrency API offers OHLCV and tick-level data across centralized exchanges. The company operates as a unified API platform serving developers and trading platforms, with recent expansion through a partnership with TMX Group for corporate event data distribution. Massive rebranded from Polygon.io to Massive.com on October 30, 2025.

Differentiator

Problem solved

Functional benefit

Products and services

Stock Market API

Companies that use Massive

Customer profile

Segments1 record

Ideal customer profiles1 record

Massive technology and API

Technology

Technology focussed Yes

API detail

Has API: Yes
API docs
API detail

Core technology

AI maturity

App detail

Feature2 records

Massive partnerships and signals

Strategic signal

Partnerships

One partnership is on record.

TMX GroupcoreTechnology or Integration · 14 November 2025Massive partnered with TMX Group to redistribute TMX's Corporate Event Data via its API. This collaboration expands the distribution of TMX's data products and enhances Massive's service offerings by incorporating Canadian market corporate event data into their API infrastructure.

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Massive competitors and assessment

Company assessment

Direct peers

CoinMarketCap: Largest crypto market data platform with an extensive historical and reference data API. Directly competes with Massive in the historical crypto data API segment.
IEX Cloud: Financial data API service providing equities, mutual funds, and reference data to developers. Closely comparable self-serve developer API model and customer base.
Finnhub: Real-time financial data API providing stocks, forex, and crypto market data to developers. Closely comparable to Massive in the multi-asset developer-first data API category.
Tiingo: Financial data API provider offering end-of-day and intraday stock, ETF, and crypto data. Comparable developer-first subscription API targeting fintech and quant customers.
CoinGecko: Major crypto data aggregator providing historical price and market data APIs across thousands of assets. Named alongside Massive as one of the leading historical crypto data API providers in comparison guides.
Alpha Vantage: Developer-focused API providing real-time and historical stock, forex, and crypto data. Comparable self-serve developer API model targeting similar fintech and trading-platform customers.
Intrinio: Financial data platform offering stocks, options, and fundamentals through APIs and feeds. Directly comparable financial data infrastructure provider with developer-friendly distribution.
Kaiko: Institutional-grade crypto market data provider offering historical and real-time market data across centralized and decentralized exchanges. Directly comparable as a crypto data API competitor explicitly named alongside Massive in third-party comparisons.
CoinPaprika: Cryptocurrency market data API covering prices, OHLCV, and reference data across exchanges. Listed alongside Massive as a top-five historical crypto data API provider.

Broad incumbents

Nasdaq Data Link (formerly Quandl): Established institutional financial and alternative data marketplace operated by Nasdaq. Comparable as a multi-asset data distribution API but at much larger scale and with a broader enterprise customer base.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

Massive financial estimates

Financial estimate

Revenue estimate

Valuation estimate

Massive leadership team

Management profile

Number of profiles

Profiles4 records

Massive funding detail

Funding detail

Funding overview

Funding rounds3 records

Investors2 records

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

Massive M&A and investment

M&A and investment

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Massive

What does Massive do?

When was Massive founded?

Massive was founded in 2016. It employs 11 to 50 people.

Where is Massive based?

Massive is headquartered in Atlanta, United States, in the North America region.

How does Massive make money?

One revenue line is on record: API Data Services.

Who are Massive's main competitors?

Direct peers on record are CoinMarketCap, IEX Cloud, Finnhub, Tiingo, CoinGecko, Alpha Vantage, Intrinio, Kaiko and CoinPaprika. Nasdaq Data Link (formerly Quandl) is listed as a broad incumbent.

Does Massive have an API?

Yes. Massive provides a Stock Market API and historical cryptocurrency data APIs offering OHLCV and tick data. The TMX Group partnership enables redistribution of TMX's Corporate Event Data via the Massive API.

What industry is Massive in?

Massive's product category is Financial Data APIs. Its primary akta.pro industry code is FSAGAMAL, Blockchain Data & Indexing Infrastructure for Finance (Nodes, Indexers, Oracles). Its NAICS code is 51821 and its SIC code is 7370.