OTC Market Data API. Real-Time. Reliable.
Whether you're building a trading bot, charting platform, or analytics dashboard — Quotex API gives you real-time and historical OTC market data for 69+ assets. REST API + WebSocket, one integration.
- 69+ OTC tradeable assets.
- Sub-10ms tick delivery.
- TimescaleDB-backed reliability.
- 99.9% uptime SLA.
Your OTC Market Data API
Real-time and historical market data for binary options trading. Built for developers.
REST API — Historical Data
Query OHLCV candles, raw ticks, and sentiment data for any OTC asset.
WebSocket — Real-Time Ticks
Stream live prices of 69+ OTC assets with sub-10ms latency via persistent connection.
Multi-Timeframe OHLCV
Auto-computed 1m, 5m, 15m, and 1h candles from raw tick data via TimescaleDB.
Deep Historical Backfill
On-demand backfill of up to 30 days of 1-minute data with session-based fetching.
Everything you need to build with OTC data
From historical OHLCV to real-time WebSocket streaming — one API, endless possibilities.
Historical OHLCV Candles
Query 1m, 5m, 15m, and 1h candles for any OTC asset with time range or limit-based queries. Up to 5000 candles per request.
Real-Time WebSocket Streaming
Live tick updates pushed to your app via persistent WebSocket. Subscribe to specific assets with sub-10ms latency.
Raw Tick Data & Sentiment
Sub-second tick data retained for 7 days plus trader buy/sell sentiment percentages. Perfect for backtesting and analytics.
69+ OTC Assets Coverage
Full coverage of Forex OTC, Crypto OTC, Indices OTC, and Exotic pairs. Real-time streaming status per asset with staleness detection.
Built for developers who need reliable OTC data
REST API + WebSocket with simple authentication. Integrate in minutes, not days.
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Simple REST API
Get historical candles, ticks, sentiment with a single GET request.
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Persistent WebSocket
Stream live ticks with subscribe/unsubscribe filtering on 69+ assets.
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Two-tier API keys
Public keys for market data, admin keys for monitoring and backfill.
Real-time data for smarter trading decisions
Make informed trading decisions with accurate, low-latency OTC market data.
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Live tick streaming
Sub-10ms price updates pushed directly to your app via WebSocket.
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Multi-timeframe charts
1m, 5m, 15m, 1h OHLCV candles from auto-computed continuous aggregates.
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Sentiment indicators
Trader buy/sell percentages for market sentiment analysis.
OTC assets
69+
Tradeable OTC instruments
Uptime SLA
99.9%
Infrastructure availability
Tick latency
<10ms
Real-time delivery speed
API rate limit
600/min
Requests per API key
Data retention
30 days
Historical data backfill
Simple, usage-based pricing for OTC market data.
What you get
- API requests/minute
- WebSocket connections
- Historical data access
- Real-time WebSocket ticks
- Deep backfill (30 days)
Starter
Free
For developers exploring the API
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100/min
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1 connection
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600/min
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Included
Enterprise
Custom
For high-volume and institutional users
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Custom
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Up to 10
Enterprise
Enterprise
Contact us for enterprise users
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Unlimited
Real feedback from real traders
“Quotex API delivered everything we needed ahead of schedule—flawless execution and real partnership.”
"I built a fully functional app for my business in a weekend—without a developer."
John Smith
OTC Market Data
"App Builder saved us thousands in dev costs. It's like magic."
John Smith
OTC Market Data
"Discover the ultimate solution designed specifically for agencies and freelancers."
John Smith
OTC Market Data
"The platform exceeded our expectations. Highly recommended for any business."
Sarah Johnson
Tech Solutions
"Incredible performance and user experience. Game changer!"
Mike Davis
Digital Agency
Level up your trading knowledge
A collection of thoughts, experiments, and insights around design, technology, and creativity.
How to build a winning OTC trading strategy
Start by defining your trading goals and risk tolerance. Research various trading styles, such as day trading.
Support when you need It
Our support team is here to guide you—whether you're picking a plan or filing a claim.
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4140 Parker Rd, Allentown, NM 31134
Take Control of Your Trading Future
No hidden fees. no steep learning curves. just a platform built for your growth.