---
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

- **2025-12-24** `e0dd7ef9404f` — 1 info
  - added the media type `application/json` for the response with the status `400`
- **2025-10-20** `e89c2cf83cdb` — 1 info
  - added the new optional `query` request parameter `market`

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

---

[API](https://skmtc.dev/tradeparadex/apis/paradex-rest-api.md) · [All operations](https://skmtc.dev/tradeparadex/apis/paradex-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/tradeparadex/paradex-rest-api/revisions/26dce0f96ab2/schema)