17 June 2026

  • Updated

⚠️Expected downtime: 15 - 30 minutes

Client impact: The system will be down for around 15 - 30 minutes. Client systems will not be able to communicate with Deribit during this time.

This release is part of our ongoing preparation for Starbase, Deribit's upcoming high-performance trading infrastructure.

API Changes

Fees in get_margins

The response of private/get_margins now includes fee fields

Underlying Type in Instrument Endpoints

The underlying_type field is now returned in public/get_instrument and public/get_instruments

FIX

The UnderlyingSecurityType field (tag 310) is now included in the Security List (Y) response for all instruments.