---
url: "https://predictiontoolkit.com/polymarket-developer-tools/page/6/"
publisher: "PredictionToolkit"
---

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Explore a workflow

# Polymarket APIs, data and developer tools | Page 6

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.

[Polymarket APIs and Data Providers](<https://predictiontoolkit.com/polymarket-api/>) 

Compare data and action interfaces.

[Polymarket SDKs and Developer Libraries](<https://predictiontoolkit.com/polymarket-sdks/>) 

Choose libraries for your codebase.

[Polymarket Historical Data and Archives](<https://predictiontoolkit.com/polymarket-historical-data/>) 

Find reusable historical records.

[Polymarket Streaming APIs and WebSockets](<https://predictiontoolkit.com/polymarket-streaming-data/>) 

Inspect ongoing delivery.

[Polymarket MCP Servers](<https://predictiontoolkit.com/polymarket-mcp-servers/>) 

Compare assistant-facing servers.

[Polymarket Command-line Tools](<https://predictiontoolkit.com/polymarket-cli-tools/>) 

Explore command-line tools.

[Polymarket Indexers and On-chain Data Tools](<https://predictiontoolkit.com/polymarket-onchain-data-tools/>) 

Build indexed datasets.

[Polymarket Starter Projects and Builder Resources](<https://predictiontoolkit.com/polymarket-builder-resources/>) 

Find builder-oriented resources.

[Polymarket Wallets, Funding and Infrastructure](<https://predictiontoolkit.com/polymarket-wallets-and-infrastructure/>) 

Review supporting infrastructure.

[All categories](<https://predictiontoolkit.com/categories/>) [Data APIs88](<https://predictiontoolkit.com/polymarket-api/>) [SDKs & libraries25](<https://predictiontoolkit.com/polymarket-sdks/>) [Historical data38](<https://predictiontoolkit.com/polymarket-historical-data/>) [MCP servers29](<https://predictiontoolkit.com/polymarket-mcp-servers/>) [Official developer tools10](<https://predictiontoolkit.com/polymarket-official-tools/>) [Streaming data19](<https://predictiontoolkit.com/polymarket-streaming-data/>) [CLI tools10](<https://predictiontoolkit.com/polymarket-cli-tools/>) [On-chain data6](<https://predictiontoolkit.com/polymarket-onchain-data-tools/>) [Starter projects & resources13](<https://predictiontoolkit.com/polymarket-builder-resources/>) 

**135** tools · 61–72 shown

Sort

![METAR.ws WebSocket METAR API introduction and connection example](<https://predictiontoolkit.com/assets/cover-metar-ws-53d6bf66909e-400.webp>)

![METAR.ws logo](<https://predictiontoolkit.com/assets/logo-metar-ws-09a338a2174f.webp>)[METAR.ws](<https://predictiontoolkit.com/tools/metar-ws/>) 

Data feed**3.5**Editorial

Stream airport reports and station-level model signals for weather research without building a GRIB parsing pipeline.

-   Access API

![Myriad prediction-market cards with probabilities and category navigation](<https://predictiontoolkit.com/assets/cover-myriad-ab2beaec00325e03-400.webp>)

![Myriad logo](<https://predictiontoolkit.com/assets/logo-myriad-4bb7eacb1415.webp>)[Myriad](<https://predictiontoolkit.com/tools/myriad/>) 

Platform**3.5**Editorial

Trade outcome shares after distinguishing the market model, order behavior and applicable fee schedule.

-   Access Web · API · CLI

![Numinous Tools agent-skill overview and installation paths](<https://predictiontoolkit.com/assets/cover-numinous-tools-db9403cef40f0013-400.webp>)

[Numinous Tools](<https://predictiontoolkit.com/tools/numinous-tools/>) 

SDK**3.5**Editorial

Request forecasts and market evidence from an agent while tracking separately metered API usage.

-   Language Python

![Octagon product overview.](<https://predictiontoolkit.com/assets/cover-octagon-ai-388374c0df42-400.webp>)

![Octagon logo](<https://predictiontoolkit.com/assets/logo-octagon-ai-af245bc11056.webp>)[Octagon](<https://predictiontoolkit.com/tools/octagon-ai/>) 

Research tool**3.5**Editorial

Source-linked event reports, model-price comparisons and developer access through API, MCP and CLI.

-   Access Web · API · CLI · MCP

![OddsPipe cross-venue market and spread API overview](<https://predictiontoolkit.com/assets/cover-oddspipe-6bb365ac9ee68c38-400.webp>)

![OddsPipe logo](<https://predictiontoolkit.com/assets/logo-tool-oddspipe-3968bb05045f.svg>)[OddsPipe](<https://predictiontoolkit.com/tools/oddspipe/>) 

Data API**3.5**Editorial

Find paired contracts, filter match confidence and investigate cross-venue price differences through REST or Python.

-   Access API

![OPINION product overview](<https://predictiontoolkit.com/assets/cover-opinion-cc4a7403c36d-400.webp>)

![OPINION logo](<https://predictiontoolkit.com/assets/logo-opinion-778967c22d80.svg>)[OPINION](<https://predictiontoolkit.com/tools/opinion/>) 

Platform**3.5**Editorial

An outcome order-book venue where matched-fill fees and minimum charges matter alongside headline rates.

-   Access Web · API

![OrcaLayer wallet leaderboard and filtering controls.](<https://predictiontoolkit.com/assets/cover-orcalayer-f5c9a1bf5636-400.webp>)

![OrcaLayer logo](<https://predictiontoolkit.com/assets/icon-logo-orcalayer-502279ca1209-180-c81322f791d56bdb.webp>)[OrcaLayer](<https://predictiontoolkit.com/tools/orcalayer/>) 

Analytics**3.5**Editorial

Read-only Polymarket wallet research with farming filters, monitoring and licensed data access.

-   Access Web · Telegram · API

![PaperPoly paper-market browser with current probabilities and topic filters](<https://predictiontoolkit.com/assets/cover-paperpoly-279e2e325109-400.webp>)

![PaperPoly logo](<https://predictiontoolkit.com/assets/logo-paperpoly-53282442c803.webp>)[PaperPoly](<https://predictiontoolkit.com/tools/paperpoly/>) 

Platform**3.5**Editorial

Practice market selection and position accounting with virtual funds, a journal and optional assistant-driven paper orders.

-   Trading mode Paper
-   Access Web · MCP

![Public archive index showing PMXT V1 and V2 capture windows](<https://predictiontoolkit.com/assets/cover-pmxt-archive-3819316fa056756b-400.webp>)

![pmxt archive logo](<https://predictiontoolkit.com/assets/logo-tool-pmxt-archive-61fbcfe4f2b1.webp>)[pmxt archive](<https://predictiontoolkit.com/tools/pmxt-archive/>) 

Dataset**3.5**Editorial

Download earlier Polymarket book captures from the public mirror and inspect the coverage of each era.

![PMXT API entry page with an SDK example](<https://predictiontoolkit.com/assets/cover-pmxt-hosted-api-2a9a2b739dc54d1b-400.webp>)

![PMXT hosted API logo](<https://predictiontoolkit.com/assets/icon-logo-tool-pmxt-hosted-api-636853a0dc32-192-56c21c79cd0be1a3.webp>)[PMXT hosted API](<https://predictiontoolkit.com/tools/pmxt-hosted-api/>) 

Data API**3.5**Editorial

Search and match markets across venues, retrieve history and use supported trading methods with one hosted key.

-   Access API

![PMXT repository overview and supported venue families](<https://predictiontoolkit.com/assets/cover-pmxt-open-source-sdk-8aa7f178a5c5e15f-400.webp>)

![PMXT open-source SDK logo](<https://predictiontoolkit.com/assets/icon-logo-tool-pmxt-hosted-api-636853a0dc32-192-56c21c79cd0be1a3.webp>)[PMXT open-source SDK](<https://predictiontoolkit.com/tools/pmxt-open-source-sdk/>) 

SDK**3.5**Editorial

Use one Python or TypeScript interface across supported prediction venues, with an explicit hosted or local backend choice.

-   Language Python · TypeScript

![PolyBackTest historical Up/Down research with a provider backtest example](<https://predictiontoolkit.com/assets/cover-polybacktest-d3142f81347795ea-400.webp>)

[PolyBackTest](<https://predictiontoolkit.com/tools/polybacktest/>) 

Dataset**3.5**Editorial

Replay short crypto rounds against recorded liquidity and keep Data API and AI-backtest entitlements separate.

-   Access Web · API

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