---
title: "Changes to List types visible to the caller"
method: GET
path: "/api/preview/types"
---

# Changes to List types visible to the caller

`GET /api/preview/types`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 2 of 12 revisions.

- **2026-10-27** `3a2c4ebeab51`: 9 info
- **2026-10-09** `c7729725d527`: 3 info

## Changes

- **2026-10-27** `3a2c4ebeab51`: 9 info
  - added the new optional `query` request parameter `guidance_updated_after`
  - added the new optional `query` request parameter `guidance_updated_before`
  - added the new optional `query` request parameter `guidance_updated_period`
  - added the new optional `query` request parameter `guidance_updated_within`
  - added the new optional `query` request parameter `tz`
  - added the new optional `query` request parameter `updated_after`
  - added the new optional `query` request parameter `updated_before`
  - added the new optional `query` request parameter `updated_period`
  - added the new optional `query` request parameter `updated_within`
- **2026-10-09** `c7729725d527`: 3 info
  - added the new optional `query` request parameter `detail`
  - added the new optional `query` request parameter `projectId`
  - added the new optional `query` request parameter `ws`

---

[Operation](https://skmtc.dev/symbol/apis/symbol-api/docs/api/preview/types/get.md) - [API](https://skmtc.dev/symbol/apis/symbol-api.md) - [Page](https://skmtc.dev/symbol/apis/symbol-api/changes/api/preview/types/get)