> For the complete documentation index, see [llms.txt](https://docs.strixlab.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.strixlab.io/developers/api-overview.md).

# API Overview

Strix Lab exposes a public REST + WebSocket API for market makers, trading bots, and data consumers. Orders match on a central-limit order book (CLOB) and settle on-chain in USDC.

### Base URLs

<table><thead><tr><th width="200">Interface</th><th>URL</th></tr></thead><tbody><tr><td>REST</td><td><code>https://api.strixlab.io/api</code></td></tr><tr><td>WebSocket</td><td><code>wss://api.strixlab.io/ws</code></td></tr></tbody></table>

### Key facts

<table><thead><tr><th width="220"></th><th></th></tr></thead><tbody><tr><td><strong>Collateral</strong></td><td>USDC (6 decimals)</td></tr><tr><td><strong>Auth</strong></td><td>HMAC-SHA256 API keys (recommended for bots) <em>or</em> Privy Bearer token</td></tr><tr><td><strong>Price range</strong></td><td><code>tickSize</code> to <code>1 − tickSize</code> (e.g. 0.01–0.99)</td></tr><tr><td><strong>Tick size</strong></td><td><code>0.01</code> or <code>0.001</code>, per market (from <code>/api/events</code>)</td></tr><tr><td><strong>Min order value</strong></td><td><code>price × quantity ≥ 1.0</code> ($1.00)</td></tr><tr><td><strong>Fees</strong></td><td>Taker-only, category-based. Makers free. See <a href="/pages/aP0SP0REFim16kgDsS8t">Fees</a>.</td></tr></tbody></table>

### The core concept: `tokenId`

Every outcome (YES / NO / each leg of a multi-outcome event) has a unique **`tokenId`**. It's the identifier you use for **everything** — placing orders, querying the order book, and subscribing over WebSocket. Fetch tokenIds from [`GET /api/events`](/developers/rest-api.md#markets).

### Getting started

{% stepper %}
{% step %}

### Sign up & fund a wallet

Register at [strixlab.io](https://strixlab.io) like any user — Privy creates your embedded wallet. Fund it with USDC.
{% endstep %}

{% step %}

### Generate API keys

Go to **Settings → API Keys → Generate Keys**. You'll receive an `apiKey`, `apiSecret`, and `apiPassphrase`. The secret and passphrase are shown **once** — store them securely.
{% endstep %}

{% step %}

### Authenticate & trade

Sign requests with HMAC ([Authentication](/developers/authentication.md)), place orders over [REST](/developers/rest-api.md), and stream fills over [WebSocket](/developers/websocket-api.md).
{% endstep %}
{% endstepper %}

{% hint style="danger" %}
**Risk management:** the single most important endpoint for a bot is bulk cancel — `DELETE /api/orders`. On any connectivity issue or model failure, fire it immediately to pull all your quotes.
{% endhint %}

### Where to go next

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>Authentication</strong></td><td>HMAC signing, headers, examples.</td><td><a href="/pages/VyNw4DjDWNrTN0lrd1aU">/pages/VyNw4DjDWNrTN0lrd1aU</a></td></tr><tr><td><strong>REST API</strong></td><td>Markets, order book, orders, portfolio.</td><td><a href="/pages/urgAejIJURgxBBTMSKE7">/pages/urgAejIJURgxBBTMSKE7</a></td></tr><tr><td><strong>WebSocket API</strong></td><td>Live order book, trades, and user fills.</td><td><a href="/pages/O9ntdqTKwwrLIHHiibpf">/pages/O9ntdqTKwwrLIHHiibpf</a></td></tr></tbody></table>


---

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