Orderbook
Get real-time orderbook depth for any market
Get Orderbook
GETRetrieve the current orderbook with bid/ask depth for a market.
GET /api/v1/markets/{id}/orderbookPath Parameters
| Parameter | Type | Description |
|---|---|---|
id | string | Market UUID |
Query Parameters
| Parameter | Type | Default | Description |
|---|---|---|---|
depth | number | 10 | Number of price levels (max 50) |
Example
curl -H "Authorization: Bearer or_live_xxx" \
"https://api.tessradar.com/api/v1/markets/{id}/orderbook?depth=5"Response
{
"data": {
"marketId": "e4ec57b5-94d1-4159-87c0-5bb6827928f7",
"question": "Will Bitcoin reach $100k by end of 2026?",
"exchange": "POLYMARKET",
"timestamp": "2026-01-11T12:00:00.000Z",
"outcome": "Yes",
"bids": [
{ "price": 0.65, "size": 15000 },
{ "price": 0.64, "size": 22000 },
{ "price": 0.63, "size": 18500 },
{ "price": 0.62, "size": 31000 },
{ "price": 0.61, "size": 45000 }
],
"asks": [
{ "price": 0.67, "size": 12000 },
{ "price": 0.68, "size": 19000 },
{ "price": 0.69, "size": 25000 },
{ "price": 0.70, "size": 28000 },
{ "price": 0.71, "size": 35000 }
],
"spread": 0.02,
"midPrice": 0.66
}
}Response Fields
| Field | Type | Description |
|---|---|---|
bids | array | Buy orders (highest first) |
asks | array | Sell orders (lowest first) |
spread | number | Difference between best ask and bid |
midPrice | number | Middle price between best bid/ask |
Order Level Fields
| Field | Type | Description |
|---|---|---|
price | number | Price level (0-1) |
size | number | Total size at this price (USD) |
Cost: 1 credit per request
Orderbook data is fetched in real-time from Polymarket CLOB and Kalshi APIs.