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POST
Build a TWAP close transaction (exposure unwound in slices over time)

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
delegate
string

Optional pre-authorized delegate. When set, the call is wrapped in delegatedAction(trader, …) and from becomes this address — the delegate signs the transaction and pays gas. Register one via /v2/delegate/set.

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

An unsigned EVM transaction. Sign it with the from key and broadcast it yourself, or submit the signed bytes via POST /v2/relay.