POST
/
v1
/
perps
/
aster
/
orders
Place Order
curl --request POST \
  --url https://api.example.com/v1/perps/aster/orders \
  --header 'Content-Type: application/json' \
  --data '
{
  "symbol": "<string>",
  "side": "<string>",
  "type": "<string>",
  "size": "<string>",
  "price": "<string>",
  "triggerPrice": "<string>",
  "reduceOnly": true,
  "wallet": "<string>",
  "signature": "<string>",
  "nonce": 123
}
'

​
Upstream Mapping

Maps to Aster’s POST /fapi/v1/order with EIP-712 signed request. The Provider API normalizes Aster’s Binance-compatible order format.

​
Request

The request body is identical to the Hyperliquid place order endpoint. The Provider API handles the format conversion internally.

​
Body Parameters

​
symbol
string
required
Market symbol (e.g., BTC)
​
side
string
required
buy or sell
​
type
string
required
market, limit, stop_market, stop_limit, trailing_stop
​
size
string
required
Order size in base asset
​
price
string
Limit price (required for limit types)
​
triggerPrice
string
Trigger price (required for stop types)
​
reduceOnly
boolean
Reduce-only flag
​
wallet
string
required
Wallet address
​
signature
string
required
EIP-712 signature
​
nonce
number
required
Timestamp nonce

​
Example

curl -X POST -H "X-API-Key: $API_KEY" \
  -H "Content-Type: application/json" \
  https://api.perps.studio/v1/perps/aster/orders \
  -d '{
    "symbol": "BTC",
    "side": "buy",
    "type": "limit",
    "size": "0.01",
    "price": "67000.00",
    "wallet": "0x1234...",
    "signature": "0xabcdef...",
    "nonce": 1712000000000
  }'
Aster supports trailing_stop orders, which Hyperliquid does not. This order type is only available on the Aster provider.