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Documentation Index

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Cancel all active limit orders for the authenticated user in one call. You can scope the cancellation to a specific event or market — useful when you want to retire a single ladder or quickly unwind your exposure on one outcome without touching the rest of your book.

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Endpoint

POST https://api.futuur.com/orders/cancel-all/

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Authentication

This endpoint requires HMAC authentication. Include the Key, Timestamp, and HMAC headers on every request. See the authentication guide for signing instructions.

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Request

The request body is optional. If you submit an empty body, every active order on your account is canceled.
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event
integer
Limit the cancellation to orders on a specific event (question) ID.
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market
integer
Limit the cancellation to orders on a specific market (outcome) ID. Can be combined with event to scope further.

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Response

Returns 200 OK with two arrays of order IDs.
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canceled_order_ids
integer[]
required
IDs of orders that were successfully canceled.
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processing_order_ids
integer[]
required
IDs of orders that could not be canceled immediately because they were already being processed (for example, mid-fill). Retry these IDs with Batch cancel after a short delay if you need them removed.

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Example

curl --request POST \
  --url "https://api.futuur.com/orders/cancel-all/" \
  --header "Key: YOUR_PUBLIC_KEY" \
  --header "Timestamp: 1712500000" \
  --header "HMAC: YOUR_HMAC_SIGNATURE" \
  --header "Content-Type: application/json" \
  --data '{}'
Sample response (200 OK)
{
  "canceled_order_ids": [100, 101],
  "processing_order_ids": [102]
}