---
title: "Changes to Create a listing"
method: POST
path: "/api/v2/orders/{chain}/{protocol}/listings"
---

# Changes to Create a listing

`POST /api/v2/orders/{chain}/{protocol}/listings`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `2c7935d84f90`: 6 breaking, 1 warning, 10 info

## Changes

- **2026-11-03** `2c7935d84f90`: 6 breaking, 1 warning, 10 info
  - removed the enum value `b3` from the `path` request parameter `chain`
  - removed the enum value `blast` from the `path` request parameter `chain`
  - the response property `allOf[subschema #2]/order_created_at` became nullable for the status `200`
  - the response property `allOf[subschema #2]/protocol_data/signature` became nullable for the status `200`
  - the `allOf[subschema #2]/asset` response's property type changed from `object` to no type for status `200`
  - removed the required property `allOf[subschema #2]/asset/contract` from the response with the `200` status
  - removed the optional property `allOf[subschema #2]/asset/identifier` from the response with the `200` status
  - added the new enum value `stablechain` to the `path` request parameter `chain`
  - added the media type `*/*` for the response with the status `400`
  - added the optional property `allOf[subschema #2]/price_per_item` to the response with the `200` status
  - added the optional property `allOf[subschema #2]/protocol` to the response with the `200` status
  - added the optional property `allOf[subschema #2]/svm_order` to the response with the `200` status
  - added the optional property `code` to the response with the `401` status
  - added the optional property `code` to the response with the `403` status
  - added the optional property `code` to the response with the `404` status
  - added the optional property `code` to the response with the `409` status
  - added `#/components/schemas/OrderAsset, subschema #2` to the `allOf[subschema #2]/asset` response property `anyOf` list for the response status `200`

---

[Operation](https://skmtc.dev/opensea/apis/opensea-api/docs/api/v2/orders/:chain/:protocol/listings/post.md) - [API](https://skmtc.dev/opensea/apis/opensea-api.md) - [Page](https://skmtc.dev/opensea/apis/opensea-api/changes/api/v2/orders/:chain/:protocol/listings/post)