---
title: "Cancel existing alert"
method: DELETE
path: "/v4/subscription/{id}"
tags: ["Subscriptions"]
---

# Cancel existing alert

`DELETE /v4/subscription/{id}`

> This endpoint is compatible with our deprecated v3 Notifications product. To use it with v3, simply replace 'v4' with 'v3' in the request URL.

<p style="display: none">/v4/subscription/{id}</p>
<p>Cancel existing alert.</p>

## Path parameters

- `id` string, required

## Response `204`

OK

## Other responses

- `400` — Bad Request
- `401` — Unauthorized. Not valid or inactive subscription key present in the HTTP Header.
- `500` — Internal server error. There was an error on the server during the processing of the request.

---

[API](https://skmtc.net/tatum/apis/blockchain-data.md) · [All operations](https://skmtc.net/tatum/apis/blockchain-data/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/tatum/blockchain-data/versions/8622ee4b8fae/schema)