---
title: "Get Activity Checkpoint"
method: GET
path: "/memories/activity/checkpoints/{checkpoint_id}"
tags: ["Memories"]
---

# Get Activity Checkpoint

`GET /memories/activity/checkpoints/{checkpoint_id}`

## Request

- Base URL: `https://api.hyperspell.com`
- URL: `https://api.hyperspell.com/memories/activity/checkpoints/{checkpoint_id}`
- Auth: HTTP bearer

Read part of a private capture with explicit continuation.

This is the summary recorded at capture time, not a conversation transcript
or verification of the agent's claims. Source links retain their own permissions.

## Path parameters

- `checkpoint_id` string, uuid, required

## Query parameters

- `offset` integer
- `limit` integer

## Headers

- `X-As-User` string, nullable: Optionally set this header to act as a specific user when using an API Key, equivalent to first exchanging the API Key for a User Token

## Response `200`

Successful Response

- ActivityCheckpointText
  - `checkpoint_id` string, uuid, required
  - `resource_id` string, required
  - `revision` integer, required
  - `title` string, nullable, required: Title preview, at most 500 characters.
  - `captured_at` string, date-time, required
  - `document_date` string, date-time, nullable, required
  - `baseline` boolean, required
  - `content_hash` string, required
  - `agent` string, nullable, required
  - `workstream` string, nullable, required
  - `text` string, required
  - `offset` integer, required
  - `next_offset` integer, nullable, required
  - `total_characters` integer, required
  - `history_type` string
  - `visibility` string

## Other responses

- `422`: Validation Error

## Changes

> 43 revisions in range; 2 not diffed.

- **2026-10-21** `8bfe4e0b0ee1`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/hyperspell/apis/hyperspell-api/changes/memories/activity/checkpoints/:checkpoint_id/get.md)

---

[API](https://skmtc.dev/hyperspell/apis/hyperspell-api.md) - [All operations](https://skmtc.dev/hyperspell/apis/hyperspell-api/llms.txt) - [OpenAPI document](https://skmtc.dev/hyperspell/apis/hyperspell-api/revisions/9bafd1215a0f?raw)