Tokens

Prediction Market Orders

Returns the limit order book for a prediction market. Orders can be filtered by status and outcome.

GET

/api/v1/tokens/{address}/orders

Get prediction market order book.

Auth: API Key required

Query Parameters

Param	Type	Description
status	string	`ACTIVE`, `FILLED`, or `CANCELLED`
outcomeId	number	Filter by outcome index
page	number	Page number (default: 1)
limit	number	Items per page (default: 20, max: 100)

Response

{
  "data": [
    {
      "id": "clx...",
      "orderId": 7,
      "seller": "0x...",
      "outcomeId": 0,
      "amount": "1000000000000000000",
      "pricePerShare": "500000",
      "status": "ACTIVE",
      "createdAt": "2026-03-13T12:00:00.000Z"
    }
  ],
  "pagination": {
    "total": 45,
    "page": 1,
    "limit": 20,
    "hasMore": true
  }
}

Example Code

// Get prediction market order book
const res = await fetch(
  "https://launchonbasis.com/api/v1/tokens/0xMarketAddress/orders?status=ACTIVE&outcomeId=0&page=1&limit=20",
  { headers: { "X-API-Key": "bsk_your_key" } }
);
const { data, pagination } = await res.json();