Free Finance & Crypto APIs

Free currency exchange rates, updated daily from the European Central Bank. No key ever.

150+ currency rates served from a CDN — blazing fast and totally keyless.

Crypto prices, tickers and exchanges — a real free tier with no key for basic calls.

The biggest crypto data API — prices, markets, trending coins and NFTs.

Live crypto prices and order books straight from the largest exchange. Public endpoints need no key.

Simple, reliable currency conversion rates with a painless free key.

Stocks, forex, crypto and economic indicators with a free API key.

Development indicators for every country — GDP, population, poverty, health and more.

Onchain GraphQL APIs & DEX APIs

Multi-chain explorer for Ethereum and 100+ EVM chains

Binance Smart Chain explorer API

Chainpoint is a global network for anchoring data to the Bitcoin blockchain

Cross-frontend DEX attribution and execution quality data across Ethereum and L2s

Ethereum explorer API

Blockchain RPC Node provider that supports over 50 multiple blockchains

Layer4 is a blockchain integration platform that supports no-code and API use

Graphene social blockchain (Steem/Hive/Blurt family): public condenser_api JSON-RPC for posts, accounts, votes and blocks

Free JSON-RPC gateway for 31 blockchains, including Ethereum, Base, Arbitrum, Solana and Sui, with one URL per chain and no sign-up

Blockchain-as-a-service solution that provides high-quality connection via API

Blockchain-based blogging and social media website

Indexing protocol for querying networks like Ethereum with GraphQL

Liquidity pool scores and Enter/Hold/Exit verdicts for Solana and EVM chains

API for querying decentralize exchange

Crypto address risk screening: sanctions hits, mixer exposure, AI-agent detection and a calibrated risk tier across six chains

Exchange for Trading Cryptocurrencies based in China

Cryptocurrency Trading Platform

Real-Time Cryptocurrency derivatives trading platform based in Hong Kong

Order book depth, resting-liquidity lifetimes and taker buy/sell flow for ~11,800 pairs on 9 spot exchanges, per 5-minute window

Cryptocurrency Payment Processor

Bitcoin Payment, Wallet & Transaction Data

Interaction with the Cardano mainnet and several testnets

Real-time and historic crypto data from more than 200+ exchanges

Real-time cryptocurrency data, graphs and API that allows buy&sell

Cryptocurrency data feed and algorithmic trading

Real-time KOL, smart money and whale wallet tracking across Solana, Ethereum, BNB Chain, Base and Robinhood Chain. 2,000+ labeled wallets, REST and WebSocket

DEX aggregator API with best-route quotes split across DEXs and unsigned swap transactions on Base, Arbitrum, BNB Chain, Avalanche, Monad and more

Bitcoin, Bitcoin Cash, Litecoin and Ethereum Prices

Real time Cryptocurrency prices through a RESTful API

Live executed whale trades across 15 exchanges and on-chain DEX with an unusualness radar

Cryptocurrencies prices, volume and more

Cryptocurrencies Prices

Live Cryptocurrency data

Blockchain and DeFi across 120+ chains, market, historical data, portfolio tracking, news, sentiment, MCP, and agent skills

Cryptocurrency Payment Processor

Cryptocurrencies Comparison

Free crypto address labels. Identify known addresses on major networks with a free API

DEX pools, tokens, prices and OHLCV across 36 blockchain networks

Decentralized cryptocurrency exchange

Ethereum tokens, balances, addresses, history of transactions, contracts, and custom structures

Cryptocurrencies exchange based in UK

Cryptocurrencies Exchange

Trade your Bitcoin and other assets with rupiah

Interaction with the Ethereum mainnet and several testnets

Real-time Solana and Robinhood Chain data - KOL trades, deployer reputation, token risk, DEX streams

Bitcoin API Service focusing on the transaction fee

Brazilian Cryptocurrency Information

Provides API endpoints for thousands of crypto assets

Real-time onchain market data, wallet portfolios, and trading streams across multiple chains

NovaDAX API to access all market data, trading management endpoints

Cryptocurrency exchange based in Seychelles

The Largest NFT Marketplace

Natural-language intent parser for DEX swaps across 11 EVM chains

US based digital asset exchange

Real crypto market cap without stables, wrapped or tokenized assets: native Top 500, coin lookup and market briefs (paid Pro/Ultra)

Crypto pay links and API for people and AI agents: non-custodial BTC, Lightning, USDC, USDT, EURC, SOL and ETH payment requests

Crypto market data for funding, futures, options, arbitrage, narratives, and news

Bitcoin, Litecoin, Dogecoin and Zcash balances, transactions and blocks

Market price, data, graph for brokers and traders

Cryptocurrency Exchange based in South Africa

Read-only Hyperliquid vault data, risk rankings, and research signals

Cryptocurrencies Prices

Directory of paid x402 APIs with per-endpoint USD pricing and live uptime, vetted before an agent pays, backed by on-chain settlement volume

XRP Ledger token prices, holders, trades and NFT data

Ethereum JSON RPC API and Web3 provider

Forex currency market data

Real-time exchange rates for 160+ currencies with historical data

Geographic data, live rates and IP geo in one API.

Exchange rates and currency conversion

Real-time buy/sell rates from every Uruguayan exchange house, with conversion and history

Convert currencies from a source currency to multiple target currencies.

Free Currency Exchange Rates API with 150+ Currencies & No Rate Limits

Provides current and historical currency exchange rates with free plan 1K requests/month

Real-time and historical currency rates JSON API

A collection of exchange rates

Exchange rates for EUR pairs, historical and real-time data

Live currency exchange rates and conversion for 160+ currencies

Free foreign exchange & crypto rates API

Foreign exchange rates, currency conversion and time series data

Real-time exchange rates, historical rates and currency conversion

Exchange rates and currency conversion with free plan 50 requests/day

Real-time and historical Reserve Bank of Australia (RBA) exchange rates API

Access real-time gold, forex, crypto, and stock market data with ultra-low latency and simple REST endpoints

Free Exchange Rates and Currency Conversion

Validate VAT numbers and calculate VAT rates

Stock and crypto sentiment from Reddit, X, financial news, and Polymarket

AI-generated stock analysis (investment thesis, valuation, insider signal, earnings) from live fundamentals, as structured JSON

Spanish accounting for freelancers and SMEs: invoices, expense receipts with OCR, bank reconciliation, ledger and VAT returns

Insider trading data, earnings call analysis, financial statements, and more

AI-enriched financial & insider-trading news, scored for relevance

SEC 13F institutional holdings, Form 4 insider trading, and smart money convergence signals. Free anonymous tier, no signup required

Live XAUUSD, country gold prices, and weekly gold research in JSON and CSV

Zillow property data with 50+ fields per listing

All Banco do Brasil financial transaction APIs

U.S. Congress STOCK Act stock trades with per-trade performance

Public access to a database of IIN/BIN information

Real-time and historical forex, metals, crypto and stock prices, with a WebSocket stream and an economic calendar

A api to generate boletos in Brazil

See strong buy and sell signals the day they occur. Get today's stocks that closed with a strong Bullish or Bearish candlestick.

Financial data for Argentina, Spain and Mexico: USD rates, inflation, Euribor, ICL

All Citigroup account and statement data APIs

Real-time exchange rates for Latin American currencies

Fundamentals, filings, filing full-text search, earnings, ownership, events and analyst data for US, China and Japan equities, linked to source filings

SEC filings, insider transactions, institutional holdings

Global macroeconomic data

SEC EDGAR filings, XBRL financials, Form 4 insider trades, 8-K events and 13F holdings, each record linked to its source filing

Finage is a stock, currency, cryptocurrency, indices, and ETFs real-time & historical data provider

Stock market and financial data

Realtime and historical stock data

Annual and interim reports, ad-hoc disclosures and ESEF/XBRL filings from securities regulators in about 60 markets, plus XBRL financials

Real-Time RESTful APIs and Websocket for Stocks, Currencies, and Crypto

Sentiment, direction & quality classification for Reddit financial social posts

Economic data from the Federal Reserve Bank of St. Louis

Front accounting is multilingual and multicurrency software for small businesses

Real-time forex macroeconomic API for all major currency pairs sourced from central bank announcements

Tax calculations for Germany: income tax, crypto, commuter allowance, and more

IBAN validation, BIC/SWIFT lookup & compliance scoring

Spreadbetting and CFD Market Data

IIN API allows you to accurately identify the issuing bank, card type, country of origin, and other details from a credit or debit card number. This is essential for fraud preventi

Get complete history of India Mutual Funds Data

A wide selection of financial data feeds

Investment principles and quotes from Buffett, Munger, and other masters

Stock market investment and trading platform

Public-record bank and lender failure-risk evidence

Real-time precious and base metals prices. One API. Zero cost

The Moov API makes it simple for platforms to send, receive, and store money

Crude oil, natural gas, refined product and marine fuel prices, each with its source timestamp

Enable account holders to interact with their banks using a wider range of applications and services

Equity, index, futures, options symbology from Bloomberg LP

Historical tick data for Polymarket and Predict.fun crypto Up/Down markets: Chainlink settlement feeds, order books, strikes and outcomes

Globalize your business by auto-adapting pricing for each visitor with Purchasing Power Parity

Connect with user's bank accounts and access transaction data

Historical stock market data

Prediction market data including markets, prices, and order book

Portfolio analysis and optimization

Websocket API to access realtime stock data

Realie's property data is directly sourced from local municipalities and contains over 100 data fields. Realie covers the entire USA with 180 million parcels.

Retrieve real-time property and rental data for real estate in the United States

Fundamentals, financial ratios and earnings call transcripts for 68k+ companies

The REST API returns structured JSON responses containing salary ranges, hourly rates, compensation benchmarks, required skills, market demand, and regional employment insights

API to access annual reports of public US companies

Free public funding, FX and capital-market evidence with source clocks

Market data for stocks, forex, crypto, commodities and DEX

Ownership, insider trades and filed fundamentals of listed AI and semiconductor companies, sourced from SEC and FINRA filings

Gain access to set of <SmartAPI> and create end-to-end broking services

GDP, population, inflation & 440+ indicators for 218 countries

Real-Time, Intraday & Historical Market Data, News and Sentiment API

One API across markets, economics, commodities, climate, government, and global news. 1,400+ endpoints, 146 primary sources, LLM-ready JSON

Reddit community data: posts, comments and stock sentiment analysis

Real time financial market data

US equity/option market data (delayed, intraday, historical)

Public market-depth and sized exit estimates, not executable quotes

This API lets you quickly validate IBAN bank codes

Validates BIC/SWIFT code

Technical, quantitative and sentiment data for stocks and ETFs, optimized for AI/LLM

WallstreetBets Stock Comments Sentiment Analysis

Exchange rates & real time market data

Online accounting software, built for your business