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GET
/
v1
/
info
/
book
Get Book
curl --request GET \
  --url https://api.perpetuals.polymarket.com/v1/info/book
{
  "instrument_id": 123,
  "bids": [
    [
      "100.00",
      "10.00"
    ]
  ],
  "asks": [
    [
      "100.00",
      "10.00"
    ]
  ],
  "timestamp": 1767225600000,
  "sequence": 1234567890
}
Request Weight:
Depth 10: 2
Depth 100: 5
Depth 500: 10
Depth 1000: 20

Query Parameters

​
instrument_id
integer
required

Instrument ID

​
depth
enum<integer>
default:100

Number of book levels to return

Available options:
10,
100,
500,
1000

Response

Book response.

​
instrument_id
integer
required

Instrument ID

​
bids
string[][]
required

Bid levels

  • "100.00" - Price
  • "10.00" - Quantity
Maximum array length: 2
Example:
["100.00", "10.00"]
​
asks
string[][]
required

Ask levels

  • "100.00" - Price
  • "10.00" - Quantity
Maximum array length: 2
Example:
["100.00", "10.00"]
​
timestamp
integer
required

Timestamp in milliseconds

Example:

1767225600000

​
sequence
integer
required

Sequence number

Example:

1234567890