Financial Data

All Financial Data APIs in One Platform

Access stock market data, prediction markets, currency exchange rates, SEC filings, and bulk historical datasets through one consistent integration.

FinFeedAPI unifies fragmented financial data into a single developer platform. Replace multiple vendors, eliminate custom parsers, and work with standardized APIs, schemas, identifiers, and data models instead of maintaining separate integrations for every dataset.

Built for fintech teams, enterprises, quantitative researchers, and startups.

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One platform for the financial data your product depends on

5Financial Data APIs

40+Global Stock Exchanges

T+1Historical Stock Market Data

9Prediction Market Venues

SECFilings, XBRL & Financial Statements

RESTWebSocket • JSON-RPC • MCP • S3

One Integration. Five Financial Data APIs.

Stock API

T+1 historical stock market data for equities across 40+ global exchanges, delivered through a simple, developer-friendly API.

Access:

Historical trades
Level 1 quotes
Level 2 price-level data
Level 3 order book data, where supported by the exchange
OHLCV time-series data
Market metadata
Exchange information
Administrative and system-level market messages

Prediction Markets API

Latest and historical prediction market data from leading prediction market venues, normalized into one API.

Access:

Prediction market exchanges
Market listings
Active market IDs
Latest trades and quotes
Recent trades and quotes
Historical trades and quotes
OHLCV data
Order book snapshots
Market metadata

Currencies API

Real-time and historical exchange rates from traditional FX markets and digital asset markets.

Access:

Live exchange rates
Historical exchange rates
OHLC data
VWAP-based historical rates
Time series
Currency metadata

SEC API

Structured SEC filings and company disclosure data delivered ready to use, without scraping EDGAR pages or building custom parsers.

Access:

SEC filing metadata
Filing search
Filing extraction
XBRL-to-JSON conversion
Financial statements
Original filing documents
Structured company disclosures

Flat Files API

Bulk historical financial datasets for quantitative research, AI training, backtesting, data warehousing, and large-scale analytics.

Access:

Historical OHLCV datasets
T+1 daily data snapshots
Bulk downloads
GZIP-compressed CSV files
S3-compatible object storage
Snowflake integration
Dataset discovery through MCP

Financial Coverage

FinFeed supports data across:

Equities Market Data

Historical stock market data for listed companies across global exchanges.

Market Depth Data

Level 1, Level 2, and Level 3 stock order book data for analyzing intraday market structure.

Prediction Markets

Event-based market data from platforms such as Polymarket, Kalshi, Myriad, Hyperliquid and more

Foreign Exchange Rates

Real-time and historical fiat currency exchange rates.

Crypto Exchange Rates

VWAP-based exchange rates for digital assets, derived from spot market activity.

SEC Filings & Disclosures

Structured access to company filings, disclosure metadata, and regulatory filing history.

Company Financial Statements

XBRL-to-JSON financial data from SEC filings, including structured company fundamentals.

What is FinFeedAPI?

FinFeedAPI is a financial data infrastructure platform

We collect, normalize, structure, store, and distribute financial data across stock markets, currency markets, SEC filings, prediction markets, and large-scale historical datasets through one consistent developer platform.

Instead of integrating multiple vendors — each with different APIs, authentication methods, schemas, documentation, data formats, and delivery models — developers connect to FinFeedAPI once and access standardized financial data through a unified ecosystem.

The platform provides the data infrastructure behind investment platforms, trading systems, financial analytics, AI applications, research tools, treasury platforms, compliance workflows, and enterprise data pipelines.

Platform Specifications

Engineering Standards

Financial APIs often differ in naming conventions, timestamp formats, response structures, pagination, authentication, and data models. Integrating multiple providers usually means maintaining separate code paths for every dataset.

FinFeedAPI standardizes the experience across the platform.

UTC Timestamps Everywhere
Standardized Identifiers
Consistent Schemas
Predictable API Behavior
Built for Long-Term Integration

Benefits

Key Reasons Engineering Teams Migrate

Modern financial applications rarely rely on a single data source.

A typical engineering stack may combine stock market data, currency exchange rates, SEC filings, historical datasets, and prediction markets from different vendors. Every provider introduces its own authentication model, API conventions, documentation, schemas, billing model, and maintenance burden.

FinFeedAPI replaces that fragmented infrastructure with one standardized developer platform.

1. Replace Vendor Sprawl

Consolidate multiple financial data providers into a single platform with unified authentication, documentation, billing, API conventions, and integration patterns.

2. Eliminate Scraping and Custom Parsers

Stop parsing SEC HTML pages, converting XML manually, or maintaining custom transformation pipelines. FinFeedAPI delivers structured, machine-readable financial data through consistent schemas.

3. Standardize the Developer Experience

Use predictable response formats, UTC timestamps, standardized identifiers, consistent field naming, and shared authentication across products.

4. Access Market-Derived Pricing Data

Use standardized exchange rates and VWAP-based historical rates calculated from underlying market activity instead of maintaining proprietary aggregation pipelines.

5. One Platform. One Documentation System. One SDK Family.

Whether you are retrieving equity market data, querying SEC filings, monitoring prediction markets, normalizing currency exposure, or downloading historical datasets, the integration experience stays consistent.

AI Applications

Built for AI Systems

Financial infrastructure designed for the next generation of AI applications.

Modern AI systems need more than access to data. They need reliable tools that return structured, predictable, machine-readable responses every time.

FinFeedAPI is designed for AI agents, autonomous workflows, coding assistants, financial copilots, and LLM-powered applications through standardized APIs and Model Context Protocol (MCP) support. Instead of scraping websites, parsing inconsistent HTML, or building custom connectors, AI applications can retrieve financial information directly from structured data sources.

1. Native Model Context Protocol SupportConnect AI assistants and autonomous agents directly to financial data through hosted MCP servers. AI systems can search SEC filings, retrieve stock market data, compare exchange rates, discover prediction markets, inspect order books, and explore historical datasets using natural language and structured tool calls.

2. Structured Responses for MachinesConsistent schemas, standardized identifiers, UTC timestamps, and uniform response formats help AI systems reason over financial data without custom parsing or fragile prompt-engineering workarounds.

3. Build Intelligent Financial WorkflowsAI applications can search and summarize SEC filings, monitor corporate disclosures, compare historical market performance, discover prediction markets, retrieve foreign exchange rates, analyze historical datasets, power financial research assistants and investment copilots, and automate data discovery workflows all through a single platform with structured, machine-readable financial data.

Global Coverage

Global Financial Market Coverage

Access financial markets from around the world through one standardized platform.

FinFeedAPI aggregates, structures, and normalizes data across stock exchanges, prediction market platforms, currency markets, and government disclosure sources. Instead of integrating dozens of regional APIs, developers work with one consistent data model.

As the platform expands, new exchanges, venues, and datasets can be added without requiring customers to rebuild their integration from scratch.

North America

Coverage includes U.S. equity venues, regional markets, currency data, prediction markets, and SEC EDGAR data.

IEX
SEC EDGAR
Jamaica Stock Exchange

Europe

Access financial data from major European exchanges through the same unified platform.

Euronext Paris
Euronext Amsterdam
Euronext Brussels
Warsaw Stock Exchange
Borsa Italiana
SIX Swiss Exchange
Prague Stock Exchange
Wiener Börse

Asia-Pacific

Market coverage across major financial hubs throughout Asia and Oceania.

Hong Kong Exchanges
Shanghai Stock Exchange
Shenzhen Stock Exchange
Taiwan Stock Exchange
Taipei Exchange
New Zealand Exchange

Prediction Markets

Standardized data from leading prediction market venues.

Polymarket
Kalshi
Myriad
Manifold
Hyperliquid Outcome Markets
Gemini Prediction Markets
Pascal
Crypto.com Prediction Markets
ForecastEx

Full Infrastructure

Built for Production

Infrastructure you can rely on when financial data becomes business-critical.

Financial applications do not just need accurate data. They need dependable infrastructure. FinFeedAPI is designed for production environments where uptime, consistency, scalability, and predictable performance matter as much as the data itself.

Whether you are serving API requests in a customer-facing application or training AI models on large historical datasets, the platform is built to support production workloads.

Multiple Delivery MethodsAccess financial data using the interface that best fits your architecture.

REST APIs
WebSocket streams, where supported
JSON-RPC, where supported
Model Context Protocol
S3-compatible flat files
Snowflake integration

Enterprise-Ready InfrastructureDeploy with confidence using infrastructure designed for reliability and long-term operation.

High-availability architecture
Enterprise SLA options
Public status page and system monitoring
Versioned APIs
Secure authentication
Production-grade documentation
Official SDKs and developer tooling

Scale from Prototype to ProductionStart with a single API key and expand your deployment without rebuilding your integration.

Start with free API credits.
Upgrade with flexible pricing plans.
Scale from prototype to production.
Add new APIs without changing your workflow.
Support growing data volumes and workloads.
Access enterprise support and SLAs when you need them.

The same platform supports request-based applications, streaming workflows, AI agents, and large-scale data engineering pipelines.

Use Cases

Financial Application Use Cases

One platform supporting thousands of financial workflows.

FinFeedAPI provides financial data infrastructure for developers, fintech companies, quantitative researchers, enterprises, startups, and AI teams.

Capital Markets

Build market dashboards, charting tools, trading research platforms, portfolio analytics, backtesting systems, and investment research workflows powered by historical and market-derived financial data.

Financial Intelligence

Monitor SEC filings, analyze company disclosures, compare financial statements, build screening tools, and automate regulatory research using structured financial data.

Treasury and Payments

Power multi-currency pricing, international settlements, foreign exchange conversion, treasury management, accounting systems, and financial reporting.

AI and Machine Learning

Train financial models, build investment copilots, develop autonomous research agents, create financial chatbots, and connect trusted financial tools to AI workflows.

Data Engineering and Analytics

Build data warehouses, quantitative research pipelines, historical market databases, business intelligence platforms, and enterprise analytics using standardized datasets delivered through APIs, S3-compatible storage, or Snowflake.

Recent Articles

Product Features

Prediction Market History Built for Research, Not Just Latest Prices

Prediction market research needs more than the latest probability. FinFeedAPI provides historical trades, quotes, order book updates, OHLCV, and timestamps built for deeper market analysis.

New Integration

ForecastEx Prediction Markets Data Is Now Live on FinFeedAPI

ForecastEx prediction market data is now available through FinFeedAPI, bringing CFTC-regulated macroeconomic event data (and more) into one standardized API

Exchanges

Prediction Markets API Expends with Gemini, Pascal, and Crypto.com

FinFeedAPI expands its Prediction Markets API with Gemini, Pascal, and Crypto.com, bringing coverage to eight prediction market platforms through one standardized API.

Comparison

Twelve Data vs FinFeedAPI: Which Financial Data API Fits Your Use Case?

Compare Twelve Data and FinFeedAPI across market data, SEC filings, prediction markets, AI access, and crypto to find the right financial data API for your use case.

How To

How to Combine SEC Filings, Stock OHLCV, and Prediction Market Data for Event-Driven Research

FinFeedAPI combines SEC filings, stock OHLCV, and prediction market data to help researchers connect corporate events with market reactions and changing expectations.

Product Features

What Prediction Market Exchanges Does FinFeedAPI Integrate With?

Explore the leading prediction market exchanges: Polymarket, Kalshi, Manifold, Myriad, and Hyperliquid and learn how FinFeedAPI unifies their real-time and historical market data through a single API.

General Knowledge

Can Prediction Markets Predict Better Than Polls?

Can prediction markets predict better than polls? Discover how historical prediction market data reveals forecasting accuracy, market behavior, and evolving crowd confidence.

Product Features

Backtesting the Crowd: Using Historical OHLCV to Evaluate Market Accuracy

By combining historical OHLCV, trades, and quotes, researchers can measure whether markets truly become more accurate as resolution approaches and build reproducible backtesting pipelines.

Product Features

10 Things You Should Never Do With Prediction Market Data

Avoid 10 costly mistakes that affect trading systems, AI agents, and quantitative research, from liquidity and order books to market discovery and cross-exchange analysis.

Product Features

What Is the Difference Between SEC Filing Metadata, Full-Text Search, Extractor, and XBRL Converter?

SEC filings contain different layers of data. Learn when to use filing metadata, full-text search, the Extractor, and the XBRL Converter and choose the right SEC API endpoint for your workflow.

Product Features

Building an Earnings-Event Monitor with SEC Filings, Stock OHLCV, and Prediction Market Odds

Learn how to combine SEC filings, stock OHLCV, and prediction market data to build an earnings-event monitor that goes beyond simple price alerts.

Product Features

Replaying the Tape: Using Nanosecond Timestamps to Measure Stock Slippage

Backtests are only as accurate as their timestamps. Discover how nanosecond market data reveals the true sequence of trades and order flow.

Build on a Unified Financial Data Platform

Replace fragmented financial data vendors with one consistent platform for stock markets, exchange rates, SEC filings, prediction markets, and historical datasets.

Start integrating in minutes, explore the documentation, or talk to our team about enterprise deployments and custom requirements.