--- title: "Changes to Place orders on the exchange." method: POST path: "/v3/orders/" --- # Changes to Place orders on the exchange. `POST /v3/orders/` > Every recorded change to this operation, newest first. > 21 revisions in range; 1 not diffed. ## Timeline Changed in 3 of 21 revisions. - **2026-10-19** `430895d2b842`: 1 warning - **2022-10-22** `a17ca5bb986a`: 1 warning - **2022-02-06** `032833ac8ca3`: 298 breaking, 31 warning, 289 info ## Changes - **2026-10-19** `430895d2b842`: 1 warning - added the new `ORDER_REJECTED_POST_ONLY_CROSSED` enum value to the `error_type` response property for the response status `400` - **2022-10-22** `a17ca5bb986a`: 1 warning - added the new `ACTION_BLOCKED` enum value to the `error_type` response property for the response status `403` - **2022-02-06** `032833ac8ca3`: 298 breaking, 31 warning, 289 info - removed the enum value `1.00` of the request property `price` - removed the enum value `10.00` of the request property `price` - removed the enum value `100.00` of the request property `price` - removed the enum value `1000.00` of the request property `price` - removed the enum value `1020.00` of the request property `price` - removed the enum value `1042.00` of the request property `price` - removed the enum value `105.00` of the request property `price` - removed the enum value `1064.00` of the request property `price` - removed the enum value `1087.00` of the request property `price` - removed the enum value `111.00` of the request property `price` - removed the enum value `1111.00` of the request property `price` - removed the enum value `1136.00` of the request property `price` - removed the enum value `1163.00` of the request property `price` - removed the enum value `118.00` of the request property `price` - removed the enum value `1190.00` of the request property `price` - removed the enum value `1220.00` of the request property `price` - removed the enum value `125.00` of the request property `price` - removed the enum value `1250.00` of the request property `price` - removed the enum value `1282.00` of the request property `price` - removed the enum value `1316.00` of the request property `price` - removed the enum value `133.00` of the request property `price` - removed the enum value `1351.00` of the request property `price` - removed the enum value `1389.00` of the request property `price` - removed the enum value `1429.00` of the request property `price` - removed the enum value `143.00` of the request property `price` - removed the enum value `1471.00` of the request property `price` - removed the enum value `1515.00` of the request property `price` - removed the enum value `154.00` of the request property `price` - removed the enum value `1562.00` of the request property `price` - removed the enum value `1613.00` of the request property `price` - removed the enum value `1667.00` of the request property `price` - removed the enum value `167.00` of the request property `price` - removed the enum value `1695.00` of the request property `price` - removed the enum value `1724.00` of the request property `price` - removed the enum value `1754.00` of the request property `price` - removed the enum value `1786.00` of the request property `price` - removed the enum value `1818.00` of the request property `price` - removed the enum value `182.00` of the request property `price` - removed the enum value `1852.00` of the request property `price` - removed the enum value `1887.00` of the request property `price` - …578 more --- [Operation](https://skmtc.dev/smarkets/apis/smarkets-http-api/docs/v3/orders/post.md) - [API](https://skmtc.dev/smarkets/apis/smarkets-http-api.md) - [Page](https://skmtc.dev/smarkets/apis/smarkets-http-api/changes/v3/orders/post)