---
title: "Changes to Submit Position Instructions"
method: POST
path: "/v1/accounts/{account_id}/positions/instructions"
---

# Changes to Submit Position Instructions

`POST /v1/accounts/{account_id}/positions/instructions`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 4 of 62 revisions.

- **2026-10-16** `1bd9eddeffc8`: 6 breaking, 1 warning, 19 info
- **2026-06-10** `99644beba9d7`: 6 info
- **2026-06-03** `d04f18f143cc`: 6 breaking, 3 warning, 4 info
- **2026-05-18** `5eb49008c06f`: 1 warning, 2 info

## Changes

- **2026-10-16** `1bd9eddeffc8`: 6 breaking, 1 warning, 19 info
  - removed the required property `allOf[subschema #2]/data/items/instruction_id` from the response with the `200` status
  - removed the required property `allOf[subschema #2]/data/items/instruction_id` from the response with the `207` status
  - removed the required property `allOf[subschema #2]/data/items/instruction_id` from the response with the `400` status
  - removed the required property `allOf[subschema #2]/data/items/instruction_id` from the response with the `409` status
  - removed the required property `allOf[subschema #2]/data/items/instruction_id` from the response with the `500` status
  - removed the required property `allOf[subschema #2]/data/items/instruction_id` from the response with the `503` status
  - removed the request property `items/instruction_id`
  - added the new optional request property `items/client_instruction_id`
  - added the optional property `allOf[subschema #2]/data/items/rejection` to the response with the `200` status
  - added the optional property `allOf[subschema #2]/data/items/rejection` to the response with the `207` status
  - added the optional property `allOf[subschema #2]/data/items/rejection` to the response with the `400` status
  - added the optional property `allOf[subschema #2]/data/items/rejection` to the response with the `409` status
  - added the optional property `allOf[subschema #2]/data/items/rejection` to the response with the `500` status
  - added the optional property `allOf[subschema #2]/data/items/rejection` to the response with the `503` status
  - added the optional property `allOf[subschema #2]/data/items/underlying_instrument_id` to the response with the `200` status
  - added the optional property `allOf[subschema #2]/data/items/underlying_instrument_id` to the response with the `207` status
  - added the optional property `allOf[subschema #2]/data/items/underlying_instrument_id` to the response with the `400` status
  - added the optional property `allOf[subschema #2]/data/items/underlying_instrument_id` to the response with the `409` status
  - added the optional property `allOf[subschema #2]/data/items/underlying_instrument_id` to the response with the `500` status
  - added the optional property `allOf[subschema #2]/data/items/underlying_instrument_id` to the response with the `503` status
  - added the required property `allOf[subschema #2]/data/items/client_instruction_id` to the response with the `200` status
  - added the required property `allOf[subschema #2]/data/items/client_instruction_id` to the response with the `207` status
  - added the required property `allOf[subschema #2]/data/items/client_instruction_id` to the response with the `400` status
  - added the required property `allOf[subschema #2]/data/items/client_instruction_id` to the response with the `409` status
  - added the required property `allOf[subschema #2]/data/items/client_instruction_id` to the response with the `500` status
  - added the required property `allOf[subschema #2]/data/items/client_instruction_id` to the response with the `503` status
- **2026-06-10** `99644beba9d7`: 6 info
  - removed the `ENGINE_REJECTED` enum value from the `allOf[subschema #2]/data/items/status` response property for the response status `200`
  - removed the `ENGINE_REJECTED` enum value from the `allOf[subschema #2]/data/items/status` response property for the response status `207`
  - removed the `ENGINE_REJECTED` enum value from the `allOf[subschema #2]/data/items/status` response property for the response status `400`
  - removed the `ENGINE_REJECTED` enum value from the `allOf[subschema #2]/data/items/status` response property for the response status `409`
  - removed the `ENGINE_REJECTED` enum value from the `allOf[subschema #2]/data/items/status` response property for the response status `500`
  - removed the `ENGINE_REJECTED` enum value from the `allOf[subschema #2]/data/items/status` response property for the response status `503`
- **2026-06-03** `d04f18f143cc`: 6 breaking, 3 warning, 4 info
  - removed the required property `code` from the response with the `400` status
  - removed the required property `code` from the response with the `409` status
  - removed the required property `code` from the response with the `503` status
  - removed the required property `message` from the response with the `400` status
  - removed the required property `message` from the response with the `409` status
  - removed the required property `message` from the response with the `503` status
  - removed the optional property `details` from the response with the `400` status
  - removed the optional property `details` from the response with the `409` status
  - removed the optional property `details` from the response with the `503` status
  - added `#/components/schemas/BaseResponse, subschema #2` to the response body `allOf` list for the response status `400`
  - added `#/components/schemas/BaseResponse, subschema #2` to the response body `allOf` list for the response status `409`
  - added `#/components/schemas/BaseResponse, subschema #2` to the response body `allOf` list for the response status `503`
  - added the non-success response with the status `500`
- **2026-05-18** `5eb49008c06f`: 1 warning, 2 info
  - removed the optional property `allOf[subschema #2]/data/items/error` from the response with the `200` status
  - added the non-success response with the status `409`
  - added the success response with the status `207`

---

[Operation](https://skmtc.dev/clear-street/apis/clear-street-trading-api/docs/v1/accounts/:account_id/positions/instructions/post.md) - [API](https://skmtc.dev/clear-street/apis/clear-street-trading-api.md) - [Page](https://skmtc.dev/clear-street/apis/clear-street-trading-api/changes/v1/accounts/:account_id/positions/instructions/post)