Overview
When evaluating Polymarket developer resources, the comparison of Polymarket Docs vs Poly SDK reveals two tools that serve related but distinctly different roles in the prediction market development ecosystem. Polymarket Docs is the official developer documentation portal from Polymarket, covering the CLOB API, market discovery, trading, resolution, and data feeds. It is currently listed as coming soon, meaning developers cannot yet access it in its finalized form, though the destination URL at docs.polymarket.com suggests it will become the canonical reference for anyone building on Polymarket's infrastructure.
Poly SDK, published under the package name @catalyst-team/poly-sdk, is an active, open-source TypeScript library hosted on GitHub. It consolidates Polymarket's various interfaces — trading, market data, real-time streaming, on-chain token operations, and advanced strategy modules — into a single typed codebase. Where Polymarket Docs aims to explain how Polymarket works, Poly SDK aims to let developers act on that knowledge immediately with pre-built, production-ready abstractions. Together, they occupy complementary positions: one is a reference, the other is an implementation toolkit.
Polymarket Docs vs Poly SDK: Key Differences
| Category | Polymarket Docs | Poly SDK |
|---|---|---|
| Primary Function | Official API and platform documentation | TypeScript SDK for building Polymarket applications |
| Target User | Developers seeking to understand Polymarket's APIs and protocols | Developers building trading bots, dashboards, analytics tools, and automation systems |
| Platform / Interface | Web-based documentation site (coming soon) | npm package / GitHub repository (actively available) |
| Automation Level | None — reference material only | High — includes order execution, WebSocket streaming, copy trading, and arbitrage modules |
| Pricing | Free (official Polymarket resource) | Free and open-source |
| Key Strength | Authoritative, first-party documentation directly from Polymarket | Unified, type-safe abstractions covering trading, on-chain ops, and advanced strategies |
| Best For | Understanding API contracts, data schemas, and platform mechanics | Rapidly shipping production-grade Polymarket integrations in TypeScript |
When to Choose Polymarket Docs
Polymarket Docs will be the right starting point for any developer who needs authoritative, first-party information about how Polymarket's systems actually behave. Once it launches, it will serve as the ground truth for API contracts, authentication flows, resolution logic, and data feed specifications — information that no third-party SDK can fully replicate with guaranteed accuracy over time. It is especially valuable for teams evaluating whether to build on Polymarket at all, or those who need to verify exact API behavior before committing to an implementation approach.
- You need official API specifications, endpoint schemas, or protocol-level details directly from Polymarket.
- You are building in a language other than TypeScript and need raw documentation to construct your own client.
- You want to verify or cross-reference the behavior of third-party tools like Poly SDK against the canonical source.
When to Choose Poly SDK
Poly SDK is the stronger choice for developers who are ready to build and want to reduce the time spent on boilerplate integration work. Its unified service architecture handles the common pain points of Polymarket development — YES/NO orderbook mirroring, conditional token operations, WebSocket reconnection logic, and order validation — so teams can focus on application logic rather than low-level plumbing. It is particularly well-suited to TypeScript or Node.js environments where type safety and a consistent API surface genuinely accelerate development cycles.
- You are building a trading bot, analytics dashboard, or automated strategy in TypeScript and want a single, well-structured library to manage both API and on-chain interactions.
- You need real-time orderbook streaming with built-in connection resilience for long-running applications.
- You want reference implementations for advanced workflows such as arbitrage scanning, smart-money tracking, or copy trading on Polymarket.
Verdict
Polymarket Docs and Poly SDK are not truly competing tools — they address different needs in the same ecosystem. Polymarket Docs, once available, will be essential reading for any serious Polymarket developer, providing the authoritative foundation that all integrations should be built against. Poly SDK, which is actively available today, is the more immediately actionable option for TypeScript developers who want to build without starting from scratch. The practical recommendation is to use both: consult Polymarket Docs for ground-truth API understanding, and use Poly SDK to accelerate implementation. If you need to ship something now, Poly SDK is the clear starting point while the official docs are still pending.