Precision Equals Profit
Polygon.io is a modern, developer-first financial data provider offering real-time and historical data across asset classes through standardized APIs. With lightning-fast infrastructure and direct exchange connections, Polygon.io empowers developers and fintech innovators to build trading platforms, research dashboards, analytics engines, and more with institutional-grade data. Whether you need equities, options, forex, indices, or crypto, Polygon.io’s extensive, low-latency coverage ensures you’re building on a reliable, high-quality data foundation.
Execute Your Vision
Building a successful financial product requires more than just raw data access — it demands API mastery, infrastructure fluency, and deep experience with market mechanics. Deploi helps you go from idea to production-ready product by handling everything from API integration to data normalization and visualization. Whether you’re building custom analytics dashboards, backtesting environments, trading tools, or client-facing fintech apps, we turn your ideas into performant, scalable systems.
Why Deploi
When milliseconds matter, and compliance, security, and data integrity are non-negotiable, Deploi delivers. Our engineers are not just integration experts — we’re full-stack builders with deep knowledge of high-frequency architecture, real-time data visualization, and resilient cloud infrastructure. We understand the demands of financial applications and build with scale, uptime, and precision in mind.
What We’ve Engineered
We’ve built high-frequency trading infrastructure (AlgoEdge), live trading signal platforms (Truso.io), and market data pipelines serving millions of API requests per day. Our systems process real-time streams, aggregate multi-asset data, and power analytics for retail and institutional users alike. From normalized tick data storage to high-performance dashboards, Deploi’s engineering spans front-end UX to back-end infrastructure.
What to Look For
Hiring the right Polygon.io API developer means choosing a team that:
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Understands real-time and historical market data intricacies
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Has experience across asset classes: stocks, options, indices, forex, and crypto
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Builds scalable data pipelines and resilient API integrations
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Optimizes infrastructure for low latency and high throughput
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Can design and build visualizations, alerts, and trading interfaces
At Deploi, these capabilities are baked into our DNA.
Cost to Hire Polygon.io API Developers
Our typical rate is $100/hour, with most Polygon.io API integration projects falling between $5,000 and $50,000 depending on scope. Need full-stack development or just backend API integration? We’ll tailor the team and timeline to your needs.
Polygon.io API Overview
Polygon.io offers real-time and historical financial market data through unified REST APIs, WebSocket streams, and flat files. Key datasets include:
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Stocks: Real-time and historical trade and quote data from all 19 U.S. stock exchanges, dark pools, and OTC markets, plus comprehensive company info and news.
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Options: Coverage from all 17 U.S. options exchanges, delivered via OPRA, including NBBO, trades, greeks, and implied volatility.
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Indices: 10,000+ global indices from providers like S&P, Nasdaq, Dow Jones, and FTSE. Ideal for macro views, benchmark tracking, and research.
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Forex: Aggregated global currency pair data with tick-level precision and 24/5 market availability. Sourced from top-tier liquidity providers.
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Crypto: Unified trade and quote data from major global exchanges including Coinbase, Binance, Kraken, and Bitstamp. 24/7 coverage with normalized feeds.
Polygon.io’s infrastructure is built for speed and resilience, with sub-20ms latency, direct fiber connections to exchanges, and full geographic redundancy.
