---
title: "Changes to Query Security Master Last"
method: POST
path: "/v0/security_master.get_last"
---

# Changes to Query Security Master Last

`POST /v0/security_master.get_last`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 14 revisions.

- **2026-09-30** `cb32228622ed`: 2 info
- **2026-08-05** `08ef3d01f5b8`: 1 info

## Changes

- **2026-09-30** `cb32228622ed`: 2 info
  - the endpoint scheme security `HTTPBearer` was added to the API
  - the endpoint scheme security `HTTPBasic` was removed from the API
- **2026-08-05** `08ef3d01f5b8`: 1 info
  - added the new optional request property `allocate_isins`

---

[Operation](https://skmtc.dev/databento/apis/databento-openapi-specification/docs/v0/security_master.get_last/post.md) - [API](https://skmtc.dev/databento/apis/databento-openapi-specification.md) - [Page](https://skmtc.dev/databento/apis/databento-openapi-specification/changes/v0/security_master.get_last/post)