spotSend payload - Spot Asset Transfers
Decode Hyperliquid `spotSend` payloads for spot asset transfers, returned through Dwellir's read-only L1 gRPC API.
Read-only action reference
Dwellir's Hyperliquid gRPC API returns this decoded action payload through
StreamBlocks and
GetBlock. It does not submit or execute this action.
Submit supported user write actions through Hyperliquid's native
POST /exchange
endpoint.
The decoded spotSend payload records a spot-token transfer between Hyperliquid addresses.
Sample Data
{
"signature": {
"r": "0x3054da3f8b58c8eb22dbb4da6c010bd6eeda1681122fca4230e8853ea0836119",
"s": "0x638265740adb334844d7825bb267a1fec5d0e45ba27ae73b09197b5f49b5148",
"v": 27
},
"action": {
"type": "spotSend",
"signatureChainId": "0x66eee",
"hyperliquidChain": "Mainnet",
"destination": "0xE2a0cC663aCFE5D7A9Cb82A743383297597A8fF3",
"token": "USDC:0x6d1e7cde53ba9467b783cb7c530ce054",
"amount": "98.43",
"time": 1768146929220
},
"nonce": 1768146929220
}View this transaction on Hypurrscan
Field Reference
Action Fields
| Field | Type | Description |
|---|---|---|
type | string | Always "spotSend" |
signatureChainId | string | Chain ID for EIP-712 signing |
hyperliquidChain | string | Target chain: "Mainnet" or "Testnet" |
destination | string | Recipient's Ethereum address |
token | string | Token identifier (symbol:contract format) |
amount | string | Amount to transfer (human-readable decimals) |
time | number | Transaction timestamp |
Token Identifier Format
Tokens are identified using the format SYMBOL:CONTRACT_HASH:
HYPE:0x0d01dc56dcaaca66ad901c959b4011ec- HYPE token- Other spot tokens follow the same pattern
Use Cases
Token Flow Analysis
Track spot token movements across the network:
def process_spotSend_action(action):
destination = action.get('destination')
token = action.get('token')
amount = action.get('amount')
token_symbol = token.split(':')[0]
print(f"Spot transfer: {amount} {token_symbol} to {destination[:10]}...")Whale Tracking
Monitor large token transfers to identify significant market participants.
Exchange Flow Monitoring
Track token deposits and withdrawals from exchange-related addresses.
Related Action Payloads
- usdSend - USD transfers between accounts
- sendAsset - Generic asset transfer
- subAccountSpotTransfer - Sub-account spot transfers