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Polymarket APIs, data and developer tools

Start with the data or action your application needs, then choose a compatible interface and access model. This family covers building blocks for research applications, data systems and trading integrations.

How to choose developer tools

Choose the building block

  • APIs supply documented datasets or actions; SDKs and GitHub libraries help integrate them into code.
  • Historical datasets support retrospective work, while streams provide ongoing updates.
  • MCP servers expose tools to assistants; command-line tools offer a different operating interface.
  • Indexing tools and builder resources support data infrastructure and application development.

Check compatibility before integrating

Compare programming languages, runtime and deployment requirements, API coverage and entitlements. A repository can supply code without granting access to a hosted dataset. Read the relevant software and data licensing terms.

Separate public research reads from account operations. Establish the credentials and permissions needed for each action before enabling them in your application or agent. Move to infrastructure tools when the main task is running the service rather than choosing its data interface.

All categoriesData APIs88SDKs & libraries25Historical data38MCP servers29Official developer tools10Streaming data19CLI tools10On-chain data6Starter projects & resources13
135 tools · 1–12 shown

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Find the right tools

Official @polymarket/client TypeScript quickstart
@polymarket/client
SDK4.0Editorial

Build typed Polymarket apps with public reads, resumable scans, real-time topics and separate authenticated actions.

  • Language TypeScript · JavaScript
Bitquery Polymarket GraphQL datasets and response example
Bitquery Polymarket API
Data API4.0Editorial

Query and stream decoded trades, token balances and settlement events.

  • Access API
Convexly wallet search and portfolio-analysis entry
Convexly
Analytics4.0Editorial

Public wallet checks with explicit coverage, historical diagnostics and paid monitoring or reconciled reads.

  • Access Web · API · Email
DepthFeed v3 API introduction and dataset scope
DepthFeed
Data API4.0Editorial

Retrieve recorded book ladders, sports mappings and aligned price bars for research and replay.

  • Access API · MCP
Dune official dashboard creation and widget guide
Dune
Analytics4.0Editorial

Query blockchain activity with SQL and publish dashboards for volumes, wallets, fills and custom research.

  • Access Web · API
FRED Economic Data public homepage with data search, tags and chart access.
FRED Economic Data
Research tool4.0Editorial

Economic-data search and history for checking the precise measure behind a macro contract.

  • Access Web
GDELT official public project homepage with data and research navigation.
GDELT
Dataset4.0Editorial

Structured news events and knowledge-graph data for reproducible research and media monitoring.

  • Access Web · Datasets · BigQuery
Goldsky on-chain data platform and delivery destinations
Goldsky
Data API4.0Editorial

Replicate fills, positions and balances for custom analytics, applications and alerts.

  • Access API · CLI
Kalshi public market board, price chart and upcoming events
Kalshi
Platform4.0Editorial

Trade defined event outcomes, inspect order-book depth and resolution rules, and connect through web, mobile or the exchange API.

  • Access Web · API · Mobile app
Live Tennis API public presentation showing a provider-supplied response example
Live Tennis API
Data API4.0Editorial

Research tennis with scores, fixtures, history and odds; advanced delivery and model fields depend on the plan.

  • Access REST API · WebSocket · MCP
Lumify sports-intelligence API overview and structured response example
Lumify
Research tool4.0Editorial

Bring sports schedules, odds and supported fair-price analysis into an application or research agent.

  • Access API · MCP
Marketlens SDK example and research modules
Marketlens
Data API4.0Editorial

Export Polymarket history and replay Python strategies with stated latency, queue and fill assumptions.

  • Access API