Dear BitMart API Users, 

We are thrilled to announce following upgrade for API infrastructure: 

[New] /contract/private/cancel-all-after Applicable for canceling all contract orders timed(SIGNED)

• • Feature：Support canceling open orders timed
  • API Documentation: https://developer-pro.bitmart.com/en/futuresv2/#timed-cancel-all-orders-signed

The BitMart Team