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Struct provides fast, reliable APIs for accessing prediction market data. Get real-time prices, historical trades, market metadata, and more — all through a single, unified interface.

Quickstart

Get your API key and make your first request in minutes.

Pricing & Ratelimits

Plans, credits, and rate limits for the Struct API.

API Reference

Browse all available endpoints, parameters, and response formats.

Dashboard

Manage your organisation, API keys, and billing.

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Why Struct?

Unified API

One consistent interface across protocols. No need to wrangle data from multiple on-chain and off-chain sources.

Real-time Streams

Websockets and webhooks for live price updates, new markets, and trade activity.

Built for Scale

Low-latency responses, high rate limits, and a credit-based billing model that scales with your usage.

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Supported Protocols

Polymarket

Markets, trades, series, tags, trader profiles, and more — all indexed and queryable via REST, Websockets, and Webhooks.
Support for EVM chains and Solana is coming soon.

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Use Cases

Trading Platforms

Build custom trading interfaces powered by real-time Polymarket data.

AI Agents

Power autonomous agents that research, monitor, and trade on prediction markets.

Analytics & Research

Build dashboards, run quantitative research, and analyze prediction market data at scale.
Last modified on February 16, 2026