Transaction by Hash

Endpoint

POST /info

Request Body

Parameter	Type	Description
type*	string	Must be "transactionByHash"
hash*	string	Transaction hash (0x-prefixed), e.g., "0xabc123..."

Response

{
  "transactionId": "0xabc123...",
  "type": "OrderPlaced",
  "timestamp": 1701234567890,
  "blockNumber": 12345,
  "txIndex": 0,
  "orderId": "0xdef456...",
  "data": {
    "userAddress": "0x742d...",
    "asset": "BTC",
    "side": "buy",
    "limitPx": "50000.00",
    "sz": "0.1"
  }
}

Response Fields

Field	Type	Description
transactionId	string	Transaction hash
type	string	Transaction type
timestamp	number	Transaction timestamp (ms)
blockNumber	number	Block containing transaction
txIndex	number	Position within block
orderId	string	Related order ID (optional)
data	object	Full transaction data

Example Request

curl -X POST https://api.notional.xyz/info \
  -H "Content-Type: application/json" \
  -d '{
    "type": "transactionByHash",
    "hash": "0xabc123..."
  }'

Error Responses

{
  "error": "Transaction 0xabc123... not found"
}

HTTP Status: 400 Bad Request

Notes

• Transaction hashes are deterministic and unique
• The data field contains type-specific information