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POST
Build a signable TWAP close intent

Body

application/json
trader
string
required

The trader (position owner). USDC collateral is pulled from and paid out to this address.

tradeIndex
integer
required

Position slot index for this trader + pair (0-based; a trader can hold several positions on the same pair). Read it from GET /v2/positions → trades[].trade.index.

Required range: x >= 0
coinExposureToClose
required

Exposure to close, in base-asset units (e.g. 0.5 = 0.5 ETH on ETH/USD).

runTimeSeconds
integer
required

Execution window in seconds; the order is filled in slices spread across this duration.

Required range: x > 0
pairIndex
integer

Pair index (alternative to pair).

Required range: x >= 0
pair
string

Pair symbol, e.g. ETH/USD (separators /, -, _ accepted; case-insensitive).

Minimum string length: 1
nonce

Replay-protection nonce (uint256; unordered Permit2-style bitmap, not sequential). A random one is generated when omitted — only pass a value to pre-reserve or deterministically retry an intent. Check availability via GET /v2/nonce.

deadlineMs

Intent expiry as a unix timestamp in MILLISECONDS (not seconds). Defaults to now + the service value shown in /v2/meta → defaults.intentDeadlineMs.

Response

Success envelope: ok is true and data carries the payload documented below.

ok
enum<boolean>
required

Always true on success.

Available options:
true
data
object
required

A ready-to-sign EIP-712 payload. Sign {domain, types, primaryType, message} with signTypedData (trader or a registered delegate, per signerRule) and hand the 65-byte r||s||v signature to the Avantis service that executes this intent kind.