---
title: "Changes to Retain memories"
method: POST
path: "/v1/default/banks/{bank_id}/memories"
---

# Changes to Retain memories

`POST /v1/default/banks/{bank_id}/memories`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 4 revisions.

- **2026-10-04** `4fda98b75f63`: 1 warning, 6 info
- **2026-05-15** `0d08f271b9db`: 4 info

## Changes

- **2026-10-04** `4fda98b75f63`: 1 warning, 6 info
  - removed the optional property `detail/items/url` from the response with the `422` status
  - added the new optional request property `items/items/resolve_entities`
  - added the new optional request property `operation_id`
  - added the new `shared` enum value to the request property `items/items/observation_scopes/anyOf[subschema #1]/`
  - request property `items/items/content` list-of-types was widened by adding types `array` to media type `application/json`
  - added the optional property `usage/anyOf[subschema #1: TokenUsage]/cached_tokens` to the response with the `200` status
  - added the optional property `usage/anyOf[subschema #1: TokenUsage]/thoughts_tokens` to the response with the `200` status
- **2026-05-15** `0d08f271b9db`: 4 info
  - added the new optional request property `items/items/update_mode`
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
  - added the optional property `detail/items/url` to the response with the `422` status

---

[Operation](https://skmtc.dev/vectorize/apis/hindsight-http-api/docs/v1/default/banks/:bank_id/memories/post.md) - [API](https://skmtc.dev/vectorize/apis/hindsight-http-api.md) - [Page](https://skmtc.dev/vectorize/apis/hindsight-http-api/changes/v1/default/banks/:bank_id/memories/post)