---
title: "Delete Registration"
method: DELETE
path: "/v3/portals/{portalId}/applications/{applicationId}/registrations/{registrationId}"
tags: ["Application Registrations"]
---

# Delete Registration

`DELETE /v3/portals/{portalId}/applications/{applicationId}/registrations/{registrationId}`

## Request

- Base URL: `https://global.api.konghq.com`
- URL: `https://global.api.konghq.com/v3/portals/{portalId}/applications/{applicationId}/registrations/{registrationId}`
- Auth: one of:
  - HTTP bearer
  - HTTP bearer
  - HTTP bearer
  - HTTP bearer

Deletes an application registration, which if currently approved will immediately block API traffic to the API.
Note: Developers can request a new application registration for the given API as long as they have RBAC access to consume.

## Response `204`

No Content

## Other responses

- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found

## Changes

- **2026-09-25** `68d43091b84d`: 2 warning
  - added the new `403.00` enum value to the `status` response property for the response status `403`
  - added the new `404.00` enum value to the `status` response property for the response status `404`
- **2026-09-18** `f324fb7610e4`: 2 breaking, 17 info
  - the response's body type changed from no type to `object` for status `403`
  - the response's body type changed from no type to `object` for status `404`
  - removed `#/components/schemas/BaseError, subschema #2` from the response body `allOf` list for the response status `401`
  - removed `#/components/schemas/BaseError, subschema #2` from the response body `allOf` list for the response status `403`
  - …15 more
- **2025-08-22** `3c0154b2053a`: 4 breaking
  - the response property `detail` became nullable for the status `401`
  - the response property `instance` became nullable for the status `401`
  - the response property `status` became nullable for the status `401`
  - the response property `title` became nullable for the status `401`
- **2025-07-01** `9a3d26a00088`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/kong/apis/konnect-api-go-sdk/changes/v3/portals/:portalId/applications/:applicationId/registrations/:registrationId/delete.md)

---

[API](https://skmtc.dev/kong/apis/konnect-api-go-sdk.md) · [All operations](https://skmtc.dev/kong/apis/konnect-api-go-sdk/llms.txt) · [OpenAPI document](https://skmtc.dev/kong/apis/konnect-api-go-sdk/revisions/7aab863a6daa?raw)