# POST /orders Creates a new order. `POST https://api.aevo.xyz/orders` > **Authentication required.** Include your `AEVO-KEY` and `AEVO-SECRET` headers. See [Authentication](/api-reference/urls/authentication.md). ## Body Parameters | Field | Type | Required | Description | | ----------------------- | ------- | -------- | ---------------------------------------------------------------------------------------------------------------------------------------------------- | | `instrument` | integer | Yes | Instrument ID number. Example: `12` | | `maker` | string | Yes | Account's Ethereum address. Example: `0xE9b3a48d15BE316A8e34FAd53fFDFDddf0C3D24b` | | `is_buy` | boolean | Yes | True for long order, false for short order. Example: `True` | | `amount` | string | Yes | Number of contracts. In 6 decimals fixed number. Example: `1000000` | | `limit_price` | string | Yes | Order limit price. In 6 decimals fixed number. Example: `1000000` | | `salt` | string | Yes | A randomly generated number to guarantee transaction uniqueness. In 6 decimals fixed number. Example: `12345678` | | `signature` | string | Yes | Hash of order payload signature signed by the account. Example: `0x4c55895aa6f2dfc2da8189a71a054348ce63abbc1ae27267977e0d9cc6848e91` | | `timestamp` | string | Yes | Timestamp used in order signing in UNIX timestamp in seconds. Example: `1680249600` | | `post_only` | boolean | No | True for post-only maker orders, false for standard orders. Example: `False` | | `reduce_only` | boolean | No | True for reduce-only orders, false for standard orders. Example: `False` | | `time_in_force` | string | No | Can be set to GTC or IOC (GTC is set by default) | | `mmp` | boolean | No | Flag to include order into MMP. Example: `False` | | `stop` | string | No | Type of stop order. | | `trigger` | string | No | The price to trigger the stop order at. `stop` is required when `trigger` is specified. Example: `1836.74` | | `close_position` | boolean | No | Is order a close position TPSL order. Example: `True` | | `partial_position` | boolean | No | Is order a partial position TPSL order. Example: `False` | | `parent_order_id` | string | No | Order ID of the order which when cancelled, cancels this order as well Example: `0x4c43e0ab72a4edb72dfe4b129148899815d816837b9a7e22d964b884834639f8` | | `perps_plus` | boolean | No | Whether this options order is part of a perps plus position Example: `False` | | `self_trade_prevention` | string | No | Can be set to EXPIRE\_NONE, EXPIRE\_MAKER OR EXPIRE\_TAKER (EXPIRE\_NONE is set by default) | ## Example Request ```bash curl --request POST \ --url https://api.aevo.xyz/orders \ --header 'accept: application/json' \ --header 'AEVO-KEY: ' \ --header 'AEVO-SECRET: ' \ --header 'content-type: application/json' \ --data '{ ... }' ``` ## Responses **`200`** — Order created. | Field | Type | Required | Description | | ----------------------- | ------- | -------- | ---------------------------------------------------------------------------------------------------------------------------------------------------- | | `order_id` | string | Yes | Order ID is the hash of the order payload Example: `0x4c43e0ab72a4edb72dfe4b129148899815d816837b9a7e22d964b884834639f8` | | `account` | string | Yes | Account's Ethereum address. Example: `0xE9b3a48d15BE316A8e34FAd53fFDFDddf0C3D24b` | | `instrument_id` | string | Yes | Instrument ID number. Example: `12` | | `instrument_name` | string | Yes | Instrument name. Example: `ETH-30JUN23-1600-C` | | `instrument_type` | string | Yes | Type of instrument. Example: `OPTION` | | `order_type` | string | Yes | Order type. Example: `limit` | | `side` | string | Yes | Trade side. Example: `buy` | | `amount` | string | Yes | Number of contracts. In 6 decimals fixed number. Example: `1000000` | | `price` | string | Yes | Limit price for the order. Example: `12.34` | | `avg_price` | string | Yes | Average entry price of the position. Example: `12.23` | | `filled` | string | Yes | Amount filled. Example: `12.23` | | `order_status` | string | Yes | Order status. Example: `filled` | | `post_only` | boolean | No | True for post-only maker orders, false for standard orders. Example: `false` Example: `False` | | `reduce_only` | boolean | No | True for reduce-only orders, false for standard orders. Example: `false` Example: `False` | | `initial_margin` | string | No | Margin required to keep an open order. Example: `12.23` | | `option_type` | string | No | Type of option contract. Example: `call` | | `iv` | string | No | Option's implied volatility. Example: `0.23` | | `expiry` | string | No | Option expiry in UNIX timestamp in nanoseconds. Example: `1680249600000000000` | | `strike` | string | No | Option strike price. Example: `2500` | | `created_timestamp` | string | No | Created timestamp in UNIX timestamp in nanoseconds. Example: `1680249600000000000` | | `timestamp` | string | Yes | Timestamp in UNIX in nanoseconds. Example: `1680249600000000000` | | `system_type` | string | Yes | Can be set to API or WEB (API is set by default) Example: `API` | | `time_in_force` | string | No | Can be set to GTC or IOC (GTC is set by default) Example: `GTC` | | `stop` | string | No | Type of stop order. Example: `STOP_LOSS` | | `trigger` | string | No | The price to trigger the stop order at. `stop` is required when `trigger` is specified. Example: `1836.74` | | `close_position` | boolean | No | Is order a close position TPSL order. Example: `true` Example: `True` | | `partial_position` | boolean | No | Is order a partial position TPSL order. Example: `false` Example: `False` | | `isolated_margin` | string | No | The change in isolated margin assigned to a position. In 6 decimals fixed number. Negative allowed. Example: `10000000` | | `parent_order_id` | string | No | Order ID of the order which when cancelled, cancels this order as well Example: `0x4c43e0ab72a4edb72dfe4b129148899815d816837b9a7e22d964b884834639f8` | | `self_trade_prevention` | string | No | Can be set to EXPIRE\_NONE, EXPIRE\_MAKER OR EXPIRE\_TAKER (EXPIRE\_NONE is set by default) Example: `EXPIRE_NONE` | | `is_twap` | boolean | No | True if this is a TWAP order Example: `true` Example: `True` | | `twap_total_amount` | string | No | Total amount to execute for TWAP order (6 decimals) Example: `10000000` | | `twap_executed` | string | No | Amount executed so far for TWAP order (6 decimals) Example: `5000000` | | `twap_remaining` | string | No | Remaining amount to execute for TWAP order (6 decimals) Example: `5000000` | | `twap_slices_total` | string | No | Total number of slices for TWAP order Example: `10` | | `twap_slices_executed` | string | No | Number of slices executed for TWAP order Example: `5` | | `twap_duration_seconds` | string | No | Total duration of TWAP order in seconds Example: `3600` | | `twap_interval_seconds` | string | No | Interval between slices in seconds Example: `36` | | `twap_avg_price` | string | No | Volume-weighted average price of executed slices Example: `3500000000` | **`400`** — Bad request. | Field | Type | Required | Description | | ------- | ------ | -------- | ----------------------------------------------- | | `error` | string | Yes | Error message. Example: `ERR_MALFORMED_REQUEST` | **`401`** — Unauthorized. | Field | Type | Required | Description | | ------- | ------ | -------- | -------------------------------------- | | `error` | string | Yes | Error message. Example: `UNAUTHORIZED` | **`429`** — Rate limit exceeded. | Field | Type | Required | Description | | ------- | ------ | -------- | --------------------------------------------- | | `error` | string | Yes | Error message. Example: `RATE_LIMIT_EXCEEDED` | **`500`** — Internal server error. | Field | Type | Required | Description | | ------- | ------ | -------- | ---------------------------------------- | | `error` | string | Yes | Error message. Example: `INTERNAL_ERROR` | --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.aevo.xyz/api-reference/urls/private-api/postorders.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.