This endpoint cancels orders by market or across all markets.
Bearer authentication header of the form Bearer <token>, where <token> is your auth token.
Market name. Example value: ETH-USD. To get all supported markets, call /api/v1/markets endpoint. To cancel orders across all markets, use the value all.
Client-generated UUID for correlation. Example value: 0835bf3e-4a20-41f0-908d-8213f2b7a285. If not provided, a random UUID will be generated.
A message describing the result of the cancel orders operation.