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

# trdrs Engine API

> One API for market data, trading, accounts, and partner operations — for brokers, prop firms, and venue operators building on trdrs.

One API for running a trading product: market data, order entry, exits, account state, and the
partner operations behind them, on a single base URL. Choose a starting point.

<CardGroup cols={2}>
  <Card title="Get a sandbox key" icon="key" href="https://sandbox.trdrs.co/developer">
    Sign in with your email and create a free key for the isolated instrument-catalog preview.
  </Card>

  <Card title="Make your first request" icon="terminal" href="/sandbox">
    Follow the sandbox walkthrough, run the catalog request, and confirm it succeeded.
  </Card>

  <Card title="What is the engine" icon="server" href="/partner-platform/overview/surface">
    The surface in one page: what the API covers, who calls it, and how the contract is held to the wire.
  </Card>

  <Card title="Quick Start" icon="rocket" href="/partner-platform/quick-start">
    Set up a production integration and place a first order with the required production credentials.
  </Card>

  <Card title="Keys and access" icon="key" href="/partner-platform/overview/keys">
    Sandbox and production credentials, their permissions, and which routes each one reaches.
  </Card>

  <Card title="Explore the API" icon="book-open" href="/api-reference/market-data/get-market-data-limits">
    Every route with a worked example and ready-to-paste TypeScript and curl.
  </Card>

  <Card title="Bring your platform" icon="chart-line" href="/chart-integration">
    Feed the Quick Charts library from this API, or wire your own front end over the same seams.
  </Card>

  <Card title="What your traders get" icon="users" href="/what-your-traders-get">
    The workspace your traders sign into — charts, alerts, backtesting, journaling — none of which you build.
  </Card>
</CardGroup>

## Who are you?

<CardGroup cols={3}>
  <Card title="Prop firm" icon="building" href="/guides/prop-firms-overview">
    Pick this if you sell evaluations: issue accounts, set risk controls, halt, and pay out over the Partner API.
  </Card>

  <Card title="Broker" icon="building-columns" href="/guides/brokers-overview">
    Pick this if your traders hold venue accounts: register them in Connect and they arrive pre-filled.
  </Card>

  <Card title="Building a front end" icon="code" href="/guides/build-a-front-end">
    Pick this if you write the screens: what to assemble, in what order, and what is already built for you.
  </Card>
</CardGroup>