## Delete a Message Batch

`DeletedMessageBatch messages().batches().delete(BatchDeleteParamsparams = BatchDeleteParams.none(), RequestOptionsrequestOptions = RequestOptions.none())`

**delete** `/v1/messages/batches/{message_batch_id}`

Delete a Message Batch.

Message Batches can only be deleted once they've finished processing. If you'd like to delete an in-progress batch, you must first cancel it.

Learn more about the Message Batches API in our [user guide](https://docs.claude.com/en/docs/build-with-claude/batch-processing)

### Parameters

- `BatchDeleteParams params`

  - `Optional<String> messageBatchId`

    ID of the Message Batch.

### Returns

- `class DeletedMessageBatch:`

  - `String id`

    ID of the Message Batch.

  - `JsonValue; type "message_batch_deleted"constant`

    Deleted object type.

    For Message Batches, this is always `"message_batch_deleted"`.

    - `MESSAGE_BATCH_DELETED("message_batch_deleted")`

### Example

```java
package com.anthropic.example;

import com.anthropic.client.AnthropicClient;
import com.anthropic.client.okhttp.AnthropicOkHttpClient;
import com.anthropic.models.messages.batches.BatchDeleteParams;
import com.anthropic.models.messages.batches.DeletedMessageBatch;

public final class Main {
    private Main() {}

    public static void main(String[] args) {
        AnthropicClient client = AnthropicOkHttpClient.fromEnv();

        DeletedMessageBatch deletedMessageBatch = client.messages().batches().delete("message_batch_id");
    }
}
```

#### Response

```json
{
  "id": "msgbatch_013Zva2CMHLNnXjNJJKqJ2EF",
  "type": "message_batch_deleted"
}
```