---
title: "Remove a project competitor"
method: DELETE
path: "/projects/{project_id}/competitors/{competitor_id}"
tags: ["competitors"]
---

# Remove a project competitor

`DELETE /projects/{project_id}/competitors/{competitor_id}`

## Request

- Base URL: `https://eu.bisibility.com/api/v1`
- URL: `https://eu.bisibility.com/api/v1/projects/{project_id}/competitors/{competitor_id}`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer
  - OAuth 2 (authorization code, authorization URL `/api/auth/oauth2/authorize`, token URL `/api/auth/oauth2/token`, scopes: `api:write`)

## Path parameters

- `project_id` string, required: Public project ID; membership and token scope are enforced.

## Headers

- `Bisibility-API-Version` 'v1'
- `X-Bisibility-Source` 'sdk' | 'cli' | 'mcp'

## Response `200`

JSON response

- Competitor
  - `domain` string, required
  - `id` string, required
  - `label` string, nullable

## Other responses

- `400`: Bad request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not found
- `409`: Unsupported API version
- `429`: Rate limited

## Changes

- **2026-10-19** `a6e1ec0dec82`: 1 breaking, 6 info
  - added the new path request parameter `project_id`
  - the endpoint scheme security `AppOAuth` was added to the API
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `400`
  - media type `application/json` was changed to a more specific media type `application/problem+json` for the response status `401`
  - …3 more

[Operation history](https://skmtc.dev/bisibility/apis/bisibility-public-api/changes/projects/:project_id/competitors/:competitor_id/delete.md)

---

[API](https://skmtc.dev/bisibility/apis/bisibility-public-api.md) · [All operations](https://skmtc.dev/bisibility/apis/bisibility-public-api/llms.txt) · [OpenAPI document](https://skmtc.dev/bisibility/apis/bisibility-public-api/revisions/a6e1ec0dec82?raw)