Skip to main content
POST
/
api
/
v1
/
orders
Place order (legacy EIP-712 flow)
curl --request POST \
  --url https://api.vatic.trading/api/v1/orders \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "walletId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "tokenId": "<string>",
  "side": "BUY",
  "price": 0.5,
  "size": 2
}
'
{
  "ok": true,
  "orderId": "0xabc...",
  "status": "matched",
  "safeAddress": "0x...",
  "order": {
    "tokenId": "...",
    "side": "BUY",
    "price": 0.5,
    "size": 10,
    "makerAmount": "10000000",
    "takerAmount": "20000000"
  }
}

Authorizations

x-api-key
string
header
required

Required for order endpoints. Obtain your API key from the Vatic dashboard.

Body

application/json
walletId
string<uuid>
required
tokenId
string
required

Polymarket outcome token ID.

side
enum<string>
required
Available options:
BUY,
SELL
price
number
required

Limit price (0.01–0.99).

Required range: 0.01 <= x <= 0.99
size
number
required

Order size in USDC (min 1).

Required range: x >= 1

Response

Order submitted