Delete a Message Batch changedapi/messages/batches/delete
Nearest release: v2.1.245, published an hour after this site recorded the change. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Recorded here
Lines+9added
Lines−14removed
From line
1
where the diff opens
First seen
14 Aug 2026
this site's first read of the page
Recorded edits6to this page, all time
# Delete a Message Batch ## Path parameters ## Returns ## Example ### Response (200) ## Delete a Message Batch ### Path Parameters ### Returns ### Example #### Response
The whole hunk
from line 1, old and new numbered
/
from line 1
1---
2title: Delete a Message Batch
3url: https://platform.claude.com/docs/en/api/messages/batches/delete
4---
1# Delete a Message Batch
52
6## Delete a Message Batch
3**DELETE** `/v1/messages/batches/{message_batch_id}`
74
8**delete** `/v1/messages/batches/{message_batch_id}`
9
105Delete a Message Batch.
116
127Message 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.
from line 8
138
149Learn more about the Message Batches API in our [user guide](https://platform.claude.com/docs/en/build-with-claude/batch-processing)
1510
16### Path Parameters
11## Path parameters
1712
1813- `message_batch_id: string`
1914
2015 ID of the Message Batch.
2116
22### Returns
17## Returns
2318
24- `DeletedMessageBatch object { id, type }`
19- `DeletedMessageBatch object`
2520
2621 - `id: string`
2722
from line 28
3328
3429 For Message Batches, this is always `"message_batch_deleted"`.
3530
36 - `"message_batch_deleted"`
31 default: message_batch_deleted
3732
38### Example
33## Example
3934
40```http
35```bash
4136curl https://api.anthropic.com/v1/messages/batches/$MESSAGE_BATCH_ID \
4237 -X DELETE \
4338 -H 'anthropic-version: 2023-06-01' \
from line 39
4439 -H "X-Api-Key: $ANTHROPIC_API_KEY"
4540```
4641
47#### Response
42### Response (200)
4843
4944```json
5045{
No line in this hunk matches that.