communications

Cancel Block Trade Proposal

Changed on Nov 5, 2026

Endpoint for cancelling a pending block trade proposal. Only the proposer can cancel it.

delete/communications/block-trade-proposals/{block_trade_proposal_id}

Request

Base URL
https://external-api.kalshi.com/trade-api/v2
Auth
API key in header KALSHI-ACCESS-KEY and API key in header KALSHI-ACCESS-SIGNATURE and API key in header KALSHI-ACCESS-TIMESTAMP
TypeScript
https://skmtc.dev/kalshi/apis/kalshi-trade-api-manual-endpoints/docs/communications/block-trade-proposals/:block_trade_proposal_id/delete.ts
A function with typed inputs. Its response is checked against the schema.

Path parameters

block_trade_proposal_idstring required

Block trade proposal ID

Response

Block trade proposal cancelled successfully

Changes

Nov 5, 20263dfc9a41c6f7 Revision changes
- info
  endpoint added

Operation history