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v2

OpenAPI 3.0.02026-07-311824171.4 MB
Market Data
Public

Retrieves the contract size (also known as contract multiplier) for a given instrument. The contract size determines how many units of the underlying asset one contract represents.

This value is essential for calculating position values, margin requirements, and P&L calculations. Different instruments may have different contract sizes.

Try in API console

get/public/get_contract_size

Query parameters

instrument_namestring required

Unique instrument identifier

Example:BTC-PERPETUAL

Instrument name

Response

Success response

jsonrpc'2.0' required

The JSON-RPC version (2.0)

idinteger

The id that was sent in the request

Example response

{
  "result": {
    "contract_size": 10
  }
}