> ## Documentation Index
> Fetch the complete documentation index at: https://docs.orbscan.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Orbscan: Polymarket Explorer & Analytics API

> Welcome to Orbscan — the REST API and on-chain explorer for Polymarket prediction markets. Query trader activity, transfers, and transactions in seconds.

Orbscan gives you programmatic access to on-chain Polymarket data through a clean REST API. Look up any wallet's full trading history, inspect USDC deposits and withdrawals, or decode any transaction hash into a human-readable summary — without parsing raw blockchain data yourself.

<CardGroup cols={2}>
  <Card title="Quickstart" icon="bolt" href="/quickstart">
    Make your first API call in under five minutes.
  </Card>

  <Card title="Authentication" icon="key" href="/authentication">
    Get your API key and authenticate every request.
  </Card>

  <Card title="API Reference" icon="code" href="/api-reference/overview">
    Full endpoint reference with request and response examples.
  </Card>

  <Card title="Guides" icon="map" href="/guides/fetch-trader-profile">
    Step-by-step walkthroughs for common use cases.
  </Card>
</CardGroup>

## What You Can Build

Orbscan indexes every wallet, trade, and market on Polymarket and surfaces that data through three focused endpoints:

<CardGroup cols={3}>
  <Card title="Trader Activity" icon="chart-line" href="/api-reference/endpoints/get-trader-activity">
    Pull every buy, sell, and redeem for any wallet — paginated, filterable, newest-first.
  </Card>

  <Card title="Deposits & Withdrawals" icon="money-bill-transfer" href="/api-reference/endpoints/get-deposits-withdrawals">
    Inspect the complete USDC transfer history for any Polymarket wallet.
  </Card>

  <Card title="Transaction Decoder" icon="magnifying-glass" href="/api-reference/endpoints/get-transaction">
    Turn any transaction hash into a plain-English summary and individual fills.
  </Card>
</CardGroup>

## Get Started in Three Steps

<Steps>
  <Step title="Create an account">
    Sign up at [orbscan.com](https://orbscan.com) and verify your email to activate your free account.
  </Step>

  <Step title="Generate an API key">
    Go to **Settings → API Keys**, click **Generate New Key**, and copy your key immediately — it is shown only once.
  </Step>

  <Step title="Make your first request">
    Pass your key as a Bearer token and call any endpoint. See the [Quickstart](/quickstart) for a complete walkthrough.

    ```bash theme={null}
    curl "https://orbscan.com/open-api/v1/trader/0x6a72f61820b26b1fe4d956e17b6dc2a1ea3033ee/activity?limit=5" \
      -H "Authorization: Bearer YOUR_API_KEY"
    ```
  </Step>
</Steps>

<Note>
  All Orbscan data reflects on-chain state, typically within seconds of a new trade settling on Polymarket.
</Note>