---
title: "Cancel open order by client order id"
method: DELETE
path: "/orders/by_client_id/{client_id}"
tags: ["Orders"]
---

# Cancel open order by client order id

`DELETE /orders/by_client_id/{client_id}`

## Path parameters

- `client_id` string, required

## Query parameters

- `market` string

## Response `204`

No Content

## Other responses

- `400` — Bad Request

## Changes

- **2026-07-17** `f1370c46e9e8` — 3 warning
  - added the new `BLOCK_TRADE_REPLAYED_SIGNATURE` enum value to the `error/allOf[#/components/schemas/responses.ErrorCode]/` response property for the response status `400`
  - added the new `EVM_VAULT_OPERATORS_DISABLED` enum value to the `error/allOf[#/components/schemas/responses.ErrorCode]/` response property for the response status `400`
  - added the new `VAULT_DATA_PRIVATE` enum value to the `error/allOf[#/components/schemas/responses.ErrorCode]/` response property for the response status `400`
- **2026-06-09** `43b81de9b079` — 3 info
  - removed the `INVALID_RHINOFI_QUOTE` enum value from the `error/allOf[#/components/schemas/responses.ErrorCode]/` response property for the response status `400`
  - removed the `INVALID_RHINOFI_QUOTE_COMMIT` enum value from the `error/allOf[#/components/schemas/responses.ErrorCode]/` response property for the response status `400`
  - removed the `INVALID_RHINOFI_REQUEST` enum value from the `error/allOf[#/components/schemas/responses.ErrorCode]/` response property for the response status `400`
- **2026-05-21** `7861dbd35cf5` — 2 warning
  - added the new `IP_NOT_ALLOWED` enum value to the `error/allOf[#/components/schemas/responses.ErrorCode]/` response property for the response status `400`
  - added the new `MARKET_NOT_SETTLED` enum value to the `error/allOf[#/components/schemas/responses.ErrorCode]/` response property for the response status `400`
- …earlier changes not shown

[Full history](https://skmtc.dev/tradeparadex/apis/paradex-rest-api-2/changes/orders/by_client_id/:client_id/delete.md)

---

[API](https://skmtc.dev/tradeparadex/apis/paradex-rest-api-2.md) · [All operations](https://skmtc.dev/tradeparadex/apis/paradex-rest-api-2/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/tradeparadex/paradex-rest-api-2/revisions/a73698fdee53/schema)