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OpenAPI Specification
openapi: 3.2.0
info:
title: Kalshi Trade API Manual Endpoints account Live Data 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:
- name: live-data
description: Live data endpoints
paths:
/live_data/milestone/{milestone_id}:
get:
operationId: GetLiveDataByMilestone
summary: Get Live Data
description: Get live data for a specific milestone.
tags:
- live-data
parameters:
- name: milestone_id
in: path
required: true
description: Milestone ID
schema:
type: string
- name: include_player_stats
in: query
required: false
description: When true, includes player-level statistics in the live data response. Supported for Pro Football, Pro Basketball, and College Men's Basketball milestones that have player ID mappings configured. Has no effect for other sports or milestones without player mappings.
schema:
type: boolean
default: false
responses:
'200':
description: Live data retrieved successfully
content:
application/json:
schema:
$ref: '#/components/schemas/GetLiveDataResponse'
'404':
description: Live data not found
'500':
description: Internal server error
/live_data/{type}/milestone/{milestone_id}:
get:
operationId: GetLiveData
summary: Get Live Data (with type)
description: Get live data for a specific milestone. This is the legacy endpoint that requires a type path parameter. Prefer using `/live_data/milestone/{milestone_id}` instead.
tags:
- live-data
parameters:
- name: type
in: path
required: true
description: Type of live data
schema:
type: string
- name: milestone_id
in: path
required: true
description: Milestone ID
schema:
type: string
- name: include_player_stats
in: query
required: false
description: When true, includes player-level statistics in the live data response. Supported for Pro Football, Pro Basketball, and College Men's Basketball milestones that have player ID mappings configured. Has no effect for other sports or milestones without player mappings.
schema:
type: boolean
default: false
responses:
'200':
description: Live data retrieved successfully
content:
application/json:
schema:
$ref: '#/components/schemas/GetLiveDataResponse'
'404':
description: Live data not found
'500':
description: Internal server error
/live_data/batch:
get:
operationId: GetLiveDatas
summary: Get Multiple Live Data
description: Get live data for multiple milestones
tags:
- live-data
parameters:
- name: milestone_ids
in: query
required: true
description: Array of milestone IDs
schema:
type: array
items:
type: string
maxItems: 100
style: form
explode: true
- name: include_player_stats
in: query
required: false
description: When true, includes player-level statistics in the live data response. Supported for Pro Football, Pro Basketball, and College Men's Basketball milestones that have player ID mappings configured. Has no effect for other sports or milestones without player mappings.
schema:
type: boolean
default: false
responses:
'200':
description: Live data retrieved successfully
content:
application/json:
schema:
$ref: '#/components/schemas/GetLiveDatasResponse'
'500':
description: Internal server error
/live_data/milestone/{milestone_id}/game_stats:
get:
operationId: GetGameStats
summary: Get Game Stats
description: 'Get play-by-play game statistics for a specific milestone. Supported sports: Pro Football, College Football, Pro Basketball, College Men''s Basketball, College Women''s Basketball, WNBA, Soccer, Pro Hockey, and Pro Baseball. Returns null for unsupported milestone types or milestones without a Sportradar ID.'
tags:
- live-data
parameters:
- name: milestone_id
in: path
required: true
description: Milestone ID
schema:
type: string
responses:
'200':
description: Game stats retrieved successfully
content:
application/json:
schema:
$ref: '#/components/schemas/GetGameStatsResponse'
'404':
description: Game stats not found
'500':
description: Internal server error
components:
schemas:
LiveData:
type: object
required:
- type
- details
- milestone_id
properties:
type:
type: string
description: Type of live data
details:
type: object
additionalProperties: true
description: Live data details as a flexible object
milestone_id:
type: string
description: Milestone ID
GetLiveDataResponse:
type: object
required:
- live_data
properties:
live_data:
$ref: '#/components/schemas/LiveData'
GetLiveDatasResponse:
type: object
required:
- live_datas
properties:
live_datas:
type: array
items:
$ref: '#/components/schemas/LiveData'
PlayByPlay:
type: object
description: Play-by-play data organized by period.
properties:
periods:
type: array
items:
type: object
properties:
events:
type: array
items:
type: object
additionalProperties: true
GetGameStatsResponse:
type: object
properties:
pbp:
$ref: '#/components/schemas/PlayByPlay'
securitySchemes:
kalshiAccessKey:
type: apiKey
in: header
name: KALSHI-ACCESS-KEY
description: Your API key ID
kalshiAccessSignature:
type: apiKey
in: header
name: KALSHI-ACCESS-SIGNATURE
description: RSA-PSS signature of the request
kalshiAccessTimestamp:
type: apiKey
in: header
name: KALSHI-ACCESS-TIMESTAMP
description: Request timestamp in milliseconds