---
title: "Changes to Get block dates"
method: GET
path: "/when"
---

# Changes to Get block dates

`GET /when`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 7 of 69 revisions.

- **2025-07-23** `63aba50a45cb`: 1 breaking
- **2024-12-17** `2428f6f19a07`: 1 breaking, 1 info
- **2024-05-03** `bd3425654b91`: 1 breaking
- **2024-04-30** `b2da4e150982`: 1 breaking, 1 info
- **2024-04-03** `4371a04f8cde`: 13 breaking, 1 warning, 2 info
- **2024-02-26** `f8bc36a1f3de`: 4 info
- **2023-12-19** `755229aaa564`: 1 warning

## Changes

- **2025-07-23** `63aba50a45cb`: 1 breaking
  - for the `query` request parameter `deep`, the type changed from `boolean` to `number`, and format from no format to `uint64`
- **2024-12-17** `2428f6f19a07`: 1 breaking, 1 info
  - added `#/components/schemas/count` to the `data/items/` response property `oneOf` list for the response status `200`
  - removed `#/components/schemas/timestampCount` from the `data/items/` response property `oneOf` list for the response status `200`
- **2024-05-03** `bd3425654b91`: 1 breaking
  - the `data/items/oneOf[#/components/schemas/message]/num` response's property type changed from `string` to `number`, and format from `int` to `int64` for status `200`
- **2024-04-30** `b2da4e150982`: 1 breaking, 1 info
  - added `#/components/schemas/message` to the `data/items/` response property `oneOf` list for the response status `200`
  - removed `#/components/schemas/block` from the `data/items/` response property `oneOf` list for the response status `200`
- **2024-04-03** `4371a04f8cde`: 13 breaking, 1 warning, 2 info
  - the `data/items/oneOf[#/components/schemas/block]/gasLimit` response's property type changed from `string` to `number` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/articulatedTx/items/inputs/items/indexed` response's property format changed from no format to `boolean` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/articulatedTx/items/outputs/items/indexed` response's property format changed from no format to `boolean` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/gas` response's property type changed from `string` to `number` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/gasPrice` response's property type changed from `string` to `number` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/hasToken` response's property format changed from no format to `boolean` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/isError` response's property format changed from no format to `boolean` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/receipt/items/gasUsed` response's property type changed from `string` to `number` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/receipt/items/isError` response's property format changed from no format to `boolean` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/receipt/items/logs/items/articulatedLog/items/inputs/items/indexed` response's property format changed from no format to `boolean` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/receipt/items/logs/items/articulatedLog/items/outputs/items/indexed` response's property format changed from no format to `boolean` for status `200`
  - the `data/items/oneOf[#/components/schemas/block]/transactions/items/statements/items/reconciled` response's property format changed from no format to `boolean` for status `200`
  - the `data/items/oneOf[#/components/schemas/timestamp]/diff` response's property type changed from `int64` to `number`, and format from no format to `int64` for status `200`
  - deleted the `query` request parameter `noheader`
  - added the new optional `query` request parameter `noHeader`
  - added the new optional `query` request parameter `update`
- **2024-02-26** `f8bc36a1f3de`: 4 info
  - added the new optional `query` request parameter `chain`
  - added the new optional `query` request parameter `decache`
  - added the new optional `query` request parameter `fmt`
  - added the new optional `query` request parameter `noheader`
- **2023-12-19** `755229aaa564`: 1 warning
  - removed the optional property `data/items/oneOf[#/components/schemas/block]/transactions/items/statements/items/prevAppBlk` from the response with the `200` status

---

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