---
title: "Changes to Create Order (V2)"
method: POST
path: "/portfolio/events/orders"
---

# Changes to Create Order (V2)

`POST /portfolio/events/orders`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 5 of 69 revisions.

- **2026-09-15** `75098a17c536`: 2 info
- **2026-08-20** `f2e3ba6d8ce6`: 1 info
- **2026-07-31** `a07481be8bf9`: 5 warning, 1 info
- **2026-06-17** `5dacc8874900`: 1 info
- **2026-05-18** `7e31fc4590e0`: 1 info

## Changes

- **2026-09-15** `75098a17c536`: 2 info
  - added the non-success response with the status `403`
  - added the non-success response with the status `503`
- **2026-08-20** `f2e3ba6d8ce6`: 1 info
  - the `exchange_index` request property default value `0` was removed
- **2026-07-31** `a07481be8bf9`: 5 warning, 1 info
  - removed the optional property `service` from the response with the `400` status
  - removed the optional property `service` from the response with the `401` status
  - removed the optional property `service` from the response with the `409` status
  - removed the optional property `service` from the response with the `429` status
  - removed the optional property `service` from the response with the `500` status
  - the `subaccount` request property default value `0` was removed
- **2026-06-17** `5dacc8874900`: 1 info
  - the request property `client_order_id` became optional
- **2026-05-18** `7e31fc4590e0`: 1 info
  - endpoint added

---

[Operation](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints/docs/portfolio/events/orders/post.md) - [API](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints.md) - [Page](https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints/changes/portfolio/events/orders/post)