---
title: "Update alerts by chain"
method: PUT
path: "/v4/subscription/batch"
tags: ["Subscriptions"]
---

# Update alerts by chain

`PUT /v4/subscription/batch`

## Request

- Base URL: `https://api.tatum.io`
- URL: `https://api.tatum.io/v4/subscription/batch`
- Auth: API key in header `x-api-key`

/v4/subscription/batch

Update all alerts for specified chain.

## Query parameters

- `chain` string, required
- `url` string
- `finality` 'confirmed' | 'final'

## 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.dev/tatum/apis/blockchain-notifications.md) - [All operations](https://skmtc.dev/tatum/apis/blockchain-notifications/llms.txt) - [OpenAPI document](https://skmtc.dev/tatum/apis/blockchain-notifications/revisions/925883906ce5?raw)
