🔌 Broker API Connections

Commission-free trading with a modern REST API. Built for algo trading with paper trading, websockets, stocks, options, and crypto.

• ✓Commission-free stocks & crypto
• ✓Paper trading sandbox
• ✓Real-time market data
• ✓WebSocket streaming

• Beginner-friendly
• Free
• Modern API

Major Indian broker SmartAPI for orders, holdings, market data, and historical candles on NSE/BSE with REST and WebSocket access. Named asset classes were not itemized beyond those exchanges.

• ✓Indian markets
• ✓Orders & holdings
• ✓Historical data
• ✓WebSocket feeds

• India
• SmartAPI
• Retail

Large global crypto exchange with official spot REST and WebSocket API docs. Check local availability and regulatory status before use.

• ✓Spot REST API
• ✓WebSocket streams
• ✓High liquidity
• ✓Official docs

• Crypto
• Global
• Liquidity

Major Brazilian investment bank developer portal. Open banking and institutional APIs; contact BTG for trading/data integration eligibility.

• ✓Developer portal
• ✓Open banking APIs
• ✓Institutional access
• ✓Brazil-focused

• Brazil
• Institutional
• Open banking

EU/UK multi-asset CFD broker with public REST and WebSocket APIs. Demo accounts, full order lifecycle, and an optional MCP server for AI agents. Asset classes are navigated in the API rather than listed as a fixed set, so they are left unknown instead of inferred. Official MCP docs say trading is disabled by default.

• ✓REST & WebSocket
• ✓Demo trading
• ✓CFDs multi-asset
• ✓AI MCP server

• CFDs
• Modern
• AI-ready

Schwab Developer Portal (successor to TD Ameritrade). OAuth-based Trader API for equities, options, market data, and account management. thinkorswim paperMoney is a free stock-trading simulator. API sandbox behavior was not confirmed because the developer portal blocked this review.

• ✓OAuth 2.0 security
• ✓Market data access
• ✓Equities & options
• ✓Account & order APIs

• Established
• Secure
• Options

Australian CFD and forex group. Institutional FIX connectivity for market data and execution across CFDs and spread betting. The existing listing also calls the group multi-region. Confirm the CMC entity for your country. CFDs and spread betting are not separate asset columns.

• ✓CFD trading
• ✓Forex
• ✓FIX connectivity
• ✓Multi-region

• Australia
• CFDs
• Forex

US-regulated crypto exchange Advanced Trade API. REST trading plus market data with JWT authentication via Coinbase Developer Platform. Confirm local availability before use.

• ✓Spot trading API
• ✓Market data
• ✓JWT auth
• ✓US regulated

• Crypto
• US
• Regulated

Morgan Stanley E*TRADE developer platform with OAuth, market data, and trading APIs for stocks, options, and mutual funds. Mutual funds are not one of the asset columns. Listed with the US brokers on this page.

• ✓OAuth security
• ✓Options trading
• ✓Market scanner
• ✓Portfolio analytics

• Secure
• Options
• Analytics

Chilean investment platform with a public API for goals, assets, and portfolio information. Useful for automated portfolio workflows in Chile and Mexico. It is not documented here as an order-routing brokerage API, so asset classes and paper trading stay unknown.

• ✓Portfolio & goals API
• ✓Asset data
• ✓Chile & Mexico
• ✓Documented endpoints

• Chile
• Portfolio API
• LatAm

Hong Kong-based fintech broker. OpenAPI via local OpenD gateway for HK, US, and China markets with real-time quotes and options data. The gateway is not labeled here as REST, WebSocket, or FIX.

• ✓HK/US/CN markets
• ✓OpenAPI
• ✓Real-time quotes
• ✓Options data

• Hong Kong
• Multi-market
• Fintech

UK-based CFD and spread betting broker. Official REST trading API plus streaming for prices, positions, and account updates. IG's demo account page says you can practise stock and forex trading with virtual funds. Confirm whether that demo is available through the REST API, and which IG entity serves your country.

• ✓CFD trading
• ✓Spread betting
• ✓REST API
• ✓Streaming prices

• CFDs
• UK
• Derivatives

Professional-grade platform with access to global markets. TWS API, Client Portal Web API, and FIX support stocks, options, futures, forex, and bonds. European clients use the same TWS and Web APIs, with access to 150+ markets and regulation across multiple EU jurisdictions. Many Latin America algo traders use IBKR international accounts for B3, Mexican, and global markets through those same APIs. The separate US, EU, and LatAm cards on the old page are this one listing.

• ✓Global market access
• ✓Multi-asset support
• ✓Low commissions
• ✓Advanced order types
• ✓EU regulation
• ✓150+ markets
• ✓Multi-currency
• ✓TWS & Web API

• Professional
• Global
• Multi-asset
• Regulated
• LatAm

Japanese retail trading API from Mitsubishi UFJ eスマート証券 (formerly au Kabucom). REST plus local WebSocket for equities, futures, and options.

• ✓Japanese markets
• ✓REST API
• ✓Futures & options
• ✓Local WebSocket

• Japan
• Retail
• REST

Established crypto exchange with REST and WebSocket APIs for spot trading, funding, and market data. Widely used by algo traders. Confirm local availability before use.

• ✓Spot trading
• ✓REST & WebSocket
• ✓Funding APIs
• ✓Mature docs

• Crypto
• Established
• Global

Institutional FX and digital-asset exchange group. Official API docs for trading, custody, and perpetual futures connectivity. The docs home does not label the protocol as REST, WebSocket, or FIX, so those fields stay unknown.

• ✓Institutional FX
• ✓Digital assets
• ✓Low-latency APIs
• ✓Perpetual futures

• Institutional
• FX
• Crypto

FX and CFD specialist with a mature v20 REST and streaming API. Practice and live environments with personal access tokens. The development guide also covers metals and CFDs. Confirm which OANDA entity serves your country. Streaming is documented on a separate host and is not labeled WebSocket here.

• ✓FX & CFDs
• ✓v20 REST API
• ✓Streaming prices
• ✓Practice accounts

• Forex
• CFDs
• Established

Australia-founded CFD/FX broker with programmatic API and institutional FIX access for automated strategies (approval required). The programmatic API is not labeled REST or WebSocket here. Confirm the Pepperstone entity for your country.

• ✓CFD & FX API
• ✓FIX for high volume
• ✓Depth of market
• ✓Automated execution

• Australia
• CFDs
• FIX

US brokerage API for stocks, ETFs, options, bonds, and crypto. Commission-free equities with official Python SDK and AI/MCP integrations. The API docs also list index options, corporate bonds, and treasuries.

• ✓Stocks & options API
• ✓Crypto & bonds
• ✓Python SDK
• ✓AI agent / MCP tools

• Modern
• AI-ready
• Multi-asset

Canadian broker with OAuth 2.0 REST APIs for accounts and market data. Order placement on the REST API is available to approved partner developers. Account holders can also connect an AI agent through Questrade's hosted MCP, which drafts orders for Push Approval. Asset classes were not named in the existing listing and were not re-confirmed here.

• ✓Canadian markets
• ✓OAuth 2.0
• ✓Account & market data
• ✓Partner trading access

• Canada
• OAuth
• Partner API

US retail broker. The public trading API is the Crypto Trading API for US Robinhood Crypto customers: quotes, holdings, and crypto orders. Robinhood does not offer a public trading API for stocks or options; linking a trading API to a brokerage account requires written authorization. A separate agentic account can connect an external agent over MCP, which is not a general brokerage REST API. That agent can place long equity, options, and crypto orders in the agentic account.

• ✓Official crypto REST API
• ✓US crypto customers only
• ✓No public stock/options API
• ✓Agentic account via MCP

• US
• Crypto API
• Retail

Danish investment bank with comprehensive OpenAPI. Access to tens of thousands of instruments across global markets plus FIX connectivity. Forex is the asset class named on the existing listing. Other instrument types were not itemized here. Confirm the Saxo entity for your country.

• ✓40,000+ instruments
• ✓OpenAPI standard
• ✓FIX protocol
• ✓WebSocket streaming

• Institutional
• OpenAPI
• FX

Swiss online bank with institutional FIX 4.4 API for FX and CFDs. Market data, order entry, and position reporting for professional traders. CFDs are not one of the asset columns.

• ✓Swiss banking
• ✓FIX 4.4
• ✓FX & CFDs
• ✓Institutional

• Swiss
• Banking
• FIX

Options-focused broker with modern REST API and streaming. Real-time Greeks, volatility data, and advanced options analytics. The official sandbox uses simulated money and synthetic fills. It does not simulate a real order book, and its market-data routes are unavailable. The official MCP server is self-hosted and open source.

• ✓Options analytics
• ✓Real-time Greeks
• ✓IV data
• ✓Spreads support

• Options
• Analytics
• Modern

Singapore-based broker with strong Asia presence. OpenAPI for US, Hong Kong, China A-shares, and Singapore markets with multi-language SDKs. Protocol names were not re-confirmed on the docs during this update.

• ✓Multi-market access
• ✓HK & US stocks
• ✓Options trading
• ✓Python & multi-SDK

• Asia
• Multi-market
• Python

Platform designed for algo traders. REST API plus EasyLanguage for automated strategies across stocks, options, futures, and crypto. Listed with the US brokers on this page.

• ✓EasyLanguage support
• ✓Futures trading
• ✓Strategy backtesting
• ✓Crypto access

• Algo-focused
• Futures
• Crypto

Broker-agnostic API platform. Clean RESTful design with trading, market data, sandbox, and WebSocket quotes. Listed with the US brokers on this page.

• ✓Broker-agnostic
• ✓RESTful API
• ✓Sandbox testing
• ✓WebSocket quotes

• Flexible
• RESTful
• Developer-friendly

Commission-free UK/EU broker with an official Public API (Invest / Stocks ISA). Demo and live endpoints with API key authentication. The API is in beta and is limited to Invest and Stocks ISA accounts. Trading 212's own community post points at an AgentSkills plugin that can read the account and place orders through that API.

• ✓Commission-free
• ✓Stocks & ETFs
• ✓Public REST API
• ✓Demo environment

• Free
• UK
• Retail

Indian discount broker with developer-friendly API. REST and WebSocket support for NSE, BSE, and MCX trading. Named asset classes were not itemized beyond those exchanges.

• ✓Indian exchanges
• ✓REST & WebSocket
• ✓Low cost
• ✓Developer tools

• India
• Low-cost
• Dev-friendly

US retail broker with an official OpenAPI. Trading API for individual traders on their own accounts across stocks, options, futures, crypto, and event contracts, plus market data over HTTP with MQTT streaming and gRPC event subscriptions. Event contracts are not one of the asset columns. Webull also documents paper trading and a sandbox Trading API.

• ✓Stocks, options, futures & crypto
• ✓HTTP trading API
• ✓MQTT real-time streaming
• ✓OAuth Connect API

• US
• Retail
• Multi-asset

Brazil's largest independent investment platform. Algo and DMA access is typically via approved trading platforms (e.g. Profit, Tryd, MT5) rather than a public retail REST API.

• ✓B3 exchange access
• ✓DMA platforms
• ✓Brazilian markets
• ✓Professional tooling

• Brazil
• B3
• DMA

India's largest retail broker. Kite Connect API for NSE and BSE with WebSocket streaming, historical data, and postback notifications. Zerodha also documents Kite MCP, a read-only connection for AI assistants to portfolio and market data. The charges page also lists currency and commodity trades. Those are not separate columns here.

• ✓Indian markets
• ✓NSE & BSE
• ✓WebSocket
• ✓Low fees

• India
• Retail
• Popular