---
title: "Delete a checkpoint"
method: POST
path: "/v1/tools/delete_checkpoint"
---

# Delete a checkpoint

`POST /v1/tools/delete_checkpoint`

## Request

- Base URL: `https://api.ploti.ai`
- URL: `https://api.ploti.ai/v1/tools/delete_checkpoint`
- Auth: HTTP bearer

Delete a checkpoint this session created, such as one saved by mistake or superseded by a corrected copy. Only this session's checkpoints can be deleted, and not while a saved filter in this session uses it. Deletion cannot be undone; confirm with the user first unless you are removing your own mistake.

## Request body

- object
  - `sessionId` string, required: The id start_session returned. Lost it? get_session without an id lists this workspace's open sessions.
  - `checkpointId` string, required: The checkpoint to delete, by the id its create call returned or list_outputs shows.

## Response `200`

What the tool returned: its text, any images, and structured data.

- object
  - `text` string, required
  - `images` object[], required
    - `mimeType` string
    - `data` string, byte
  - `data` unknown

## Other responses

- `400`: invalid_input: the arguments do not fit the tool's input schema.
- `403`: insufficient_scope: the credential may not use this tool.
- `404`: not_found: there is no such tool.
- `413`: payload_too_large: the body is over 256 KB (2 MB for /v1/tools).
- `415`: unsupported_media_type: a body was sent without Content-Type: application/json.
- `422`: tool_error: the tool refused or failed; error.message says why.
- `429`: rate_limited: this credential is over its rate. Retry after the Retry-After header's seconds.
- `500`: internal: Ploti failed. Retry; if it keeps happening, contact support.

---

[API](https://skmtc.dev/ploti/apis/ploti-api.md) · [All operations](https://skmtc.dev/ploti/apis/ploti-api/llms.txt) · [OpenAPI document](https://skmtc.dev/ploti/apis/ploti-api/revisions/8c2c91c72d52?raw)