> ## Documentation Index
> Fetch the complete documentation index at: https://docs.blink15.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Delete cancel all



## OpenAPI

````yaml /openapi.json delete /cancel-all
openapi: 3.0.3
info:
  title: Blink Markets API
  description: Trading API for Blink Prediction Markets
  contact:
    name: Blink
    url: https://blink15.com
  license:
    name: Proprietary
    url: https://blink15.com/terms
  version: 1.0.0
servers:
  - url: https://api.blink15.com
    description: Production (Base Sepolia Testnet)
  - url: http://localhost:3001
    description: Local Development
security: []
tags:
  - name: health
    description: Health check endpoints
  - name: markets
    description: Market discovery and information
  - name: market-data
    description: Orderbook, price, and spread data
  - name: trading
    description: Order placement, cancellation, and trade history
  - name: account
    description: Wallet status, balances, and allowances
  - name: auth
    description: API key creation and derivation (L1 EIP-712)
  - name: orders
    description: Order management
  - name: trades
    description: Trade history and fills
  - name: users
    description: User account management
  - name: faucet
    description: Testnet faucet and gasless relay endpoints
  - name: admin
    description: Administrative endpoints (requires API key)
  - name: compat
    description: Polymarket-compatible endpoints
paths:
  /cancel-all:
    delete:
      tags:
        - trading
      operationId: cancel_all
      responses:
        '200':
          description: Cancel result with canceled/not_canceled arrays
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/CancelAllResponse'
        '401':
          description: HMAC authentication failed
      security:
        - hmac_signature: []
components:
  schemas:
    CancelAllResponse:
      type: object
      description: Cancel all orders - DELETE /cancel-all
      required:
        - canceled
        - not_canceled
      properties:
        canceled:
          type: array
          items:
            type: string
        not_canceled:
          type: array
          items:
            type: string
  securitySchemes:
    hmac_signature:
      type: apiKey
      in: header
      name: BLINK-SIGNATURE

````