Kalshi

Kalshi Orders API

Order management endpoints

GitHub OpenAPI

Operations 16

GET /portfolio/orders Get Orders #
POST /portfolio/orders Create Order #
GET /portfolio/orders/{order_id} Get Order #
DELETE /portfolio/orders/{order_id} Cancel Order #
POST /portfolio/orders/batched Batch Create Orders #
DELETE /portfolio/orders/batched Batch Cancel Orders #
POST /portfolio/orders/{order_id}/amend Amend Order #
POST /portfolio/orders/{order_id}/decrease Decrease Order #
GET /portfolio/orders/queue_positions Get Queue Positions for Orders #
GET /portfolio/orders/{order_id}/queue_position Get Order Queue Position #
POST /portfolio/events/orders Create Order (V2) #
POST /portfolio/events/orders/batched Batch Create Orders (V2) #
DELETE /portfolio/events/orders/batched Batch Cancel Orders (V2) #
DELETE /portfolio/events/orders/{order_id} Cancel Order (V2) #
POST /portfolio/events/orders/{order_id}/amend Amend Order (V2) #
POST /portfolio/events/orders/{order_id}/decrease Decrease Order (V2) #

Documentation

📖
Documentation
https://docs.kalshi.com/api-reference

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/kalshi/refs/heads/main/openapi/kalshi-orders-api-openapi.yml

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OpenAPI Specification

kalshi-orders-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Kalshi Trade API Manual Endpoints Orders API
  version: 3.19.0
  description: Manually defined OpenAPI spec for endpoints being migrated to spec-first approach
servers:
- url: https://external-api.kalshi.com/trade-api/v2
  description: Production Trade API server
- url: https://api.elections.kalshi.com/trade-api/v2
  description: Production shared API server, also supported
- url: https://external-api.demo.kalshi.co/trade-api/v2
  description: Demo Trade API server
- url: https://demo-api.kalshi.co/trade-api/v2
  description: Demo shared API server, also supported
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/kalshi/refs/heads/main/openapi/kalshi-orders-api-openapi.yml