Top Free Currency API Alternatives

Messari

Messari

Messari offers market intelligence and analytics tools for cryptocurrency, providing users with data and insights to support informed investment decisions.

DefiLlama

DefiLlama

DefiLlama is a DeFi TVL aggregator that offers accurate data on Total Value Locked, revenue, fees, and prices across DeFi protocols with real-time updates.

Zerodha Kite Connect

Zerodha Kite Connect

Zerodha Kite Connect is a trading platform offering APIs for stock trading, advanced order types, and extensive charting capabilities for market analysis.

geckoterminal

geckoterminal

GeckoTerminal provides real-time cryptocurrency price charts and market data from over 1,300 DEXs across various blockchain networks for informed trading decisions.

Glassnode

Glassnode

Glassnode is a blockchain data platform that provides on-chain and off-chain metrics, analytics tools, and insights for trading and market research in digital assets.

Plaid

Plaid

Plaid is a platform that connects bank accounts to apps for managing finances, payments, and user identity verification securely.

Quartr

Quartr

Quartr is a financial app providing access to live earnings calls and investor relations data from over 12,000 public companies for professionals and investors.

Signal21

Signal21

Signal21 provides comprehensive research and data on Bitcoin, including its layers and Dapps, through interactive dashboards, custom queries, and API access.

Fiscal.ai

Fiscal.ai

Investment research platform and API providing public company financial data, AI-assisted summaries and chat, stock screeners, filings, earnings calendar, analyst ratings, and notifications.

Databento

Databento

Databento provides easy access to real-time and historical financial data on US equities and futures, with customizable formats and user-friendly APIs.

Crypto APIs

Crypto APIs

Crypto APIs provides Web 3 infrastructure for blockchain applications, offering tools for wallets, data management, and trading automation through REST and WebSocket APIs.

Polygon.io

Polygon.io

Polygon.io provides free real-time and historical financial data APIs for stocks, forex, and cryptocurrencies, suitable for developers building financial applications.

Ask Edgar

Ask Edgar

Uses AI to analyze SEC filings and news to identify upcoming company events and catalysts that may affect stock prices.

Financial Modeling Prep

Financial Modeling Prep

Financial Modeling Prep is a data platform providing accurate financial market data and APIs for investors and developers, covering over 70,000 securities globally.

RootData

RootData

Aggregates verified data on cryptocurrency projects—funding rounds, teams, token metrics, prices, social metrics and on‑chain fund tracking—and offers APIs plus project management for verified teams.

CryptoCompare

CryptoCompare

CryptoCompare provides real-time cryptocurrency market data, analysis tools, and insights to help users track and understand market trends and investment opportunities.

SnapTrade

SnapTrade

SnapTrade is an API that connects financial applications to brokerages and crypto exchanges, enabling account management and trade execution.

Twelve Data

Twelve Data

Twelve Data provides real-time and historical financial market data for stocks, forex, cryptocurrencies, and more, with APIs for easy integration and analysis.

Fuse

Fuse

Fuse is an app that provides a unified API to connect financial accounts, improving connection success and reducing disconnections.

PolyTest

PolyTest

Backtesting API for Polymarket that replays historical orderbooks to test BTC, ETH, and SOL trading strategies before live trading.

Nomics

Nomics

Nomics provides real-time cryptocurrency market cap rankings, historical prices, and supply data for various digital assets like Bitcoin and Ethereum.

Tink

Tink

Tink is an open banking platform that connects accounts, enables payments, and provides financial insights for effective money management.

Fintoc

Fintoc

Fintoc is a financial tech app that enables account-to-account payments, securely aggregates financial data, and integrates with financial institutions in Mexico and Chile.

Rutter

Rutter

Rutter is a Unified API that simplifies B2B financial product integration, allowing developers to connect with various platforms efficiently.

Codat

Codat

Codat provides a platform for banks to access and analyze customers' financial data, streamlining business lending and improving underwriting processes.

IEX Cloud

IEX Cloud

IEX Cloud is a financial data platform that offers real-time and historical financial data, tools, and services for developers and analysts.

Mono

Mono

Mono is an app that enables companies to access customer bank account data and facilitate direct debits from those accounts in Africa.

Belvo

Belvo

Belvo is an open finance platform in Latin America that connects businesses to financial data, enabling informed decisions and automating payments.

CBN-Data

CBN-Data

CBN-Data provides structured financial data on global markets, including bonds, stocks, and corporate information, accessible via API and Data Feed solutions.

finbar

finbar

Finbar provides real-time, cleaned financial data and time series from thousands of companies, allowing users to update models quickly and efficiently.