v2

latestOpenAPI 3.1.0Proprietary2026-08-054985119.4 KB
orders

Edit Order

Edit (amend) a resting simple limit order.

Only qty and price are editable. qty is the new TOTAL quantity (not remaining). The order must be RESTING, a simple order (no iceberg/peg parent), a single-instrument LIMIT order. Returns 202 Accepted; final status is delivered via the orders WS.

patch/v1/orders/{order_id}

Path parameters

order_idstring uuid required

Request body

qtynumber nullable

New total order quantity

pricenumber nullable

New limit price (between 0 and 1)

Response

Successful Response

river_order_idstring uuid required

Unique order identifier

statusstring required

Always PENDING_AMEND. Final status (RESTING on success, REJECTED on failure) is delivered via the orders WS.