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OpenAPI Specification
openapi: 3.2.0
info:
title: Kalshi Trade API Manual Endpoints account API Keys 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: api-keys
description: API key management endpoints
paths:
/api_keys:
get:
operationId: GetApiKeys
summary: Get API Keys
description: ' Endpoint for retrieving all API keys associated with the authenticated user. API keys allow programmatic access to the platform without requiring username/password authentication. Each key has a unique identifier and name.'
tags:
- api-keys
security:
- kalshiAccessKey: []
kalshiAccessSignature: []
kalshiAccessTimestamp: []
responses:
'200':
description: List of API keys retrieved successfully
content:
application/json:
schema:
$ref: '#/components/schemas/GetApiKeysResponse'
'401':
description: Unauthorized
'500':
description: Internal server error
post:
operationId: CreateApiKey
summary: Create API Key
description: ' Endpoint for creating a new API key with a user-provided public key. This endpoint allows users with Premier or Market Maker API usage levels to create API keys by providing their own RSA public key. The platform will use this public key to verify signatures on API requests.'
tags:
- api-keys
security:
- kalshiAccessKey: []
kalshiAccessSignature: []
kalshiAccessTimestamp: []
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/CreateApiKeyRequest'
responses:
'201':
description: API key created successfully
content:
application/json:
schema:
$ref: '#/components/schemas/CreateApiKeyResponse'
'400':
description: Bad request - invalid input
'401':
description: Unauthorized
'403':
description: Forbidden - insufficient API usage level
'500':
description: Internal server error
/api_keys/generate:
post:
operationId: GenerateApiKey
summary: Generate API Key
description: ' Endpoint for generating a new API key with an automatically created key pair. This endpoint generates both a public and private RSA key pair. The public key is stored on the platform, while the private key is returned to the user and must be stored securely. The private key cannot be retrieved again.'
tags:
- api-keys
security:
- kalshiAccessKey: []
kalshiAccessSignature: []
kalshiAccessTimestamp: []
requestBody:
required: true
content:
application/json:
schema:
$ref: '#/components/schemas/GenerateApiKeyRequest'
responses:
'201':
description: API key generated successfully
content:
application/json:
schema:
$ref: '#/components/schemas/GenerateApiKeyResponse'
'400':
description: Bad request - invalid input
'401':
description: Unauthorized
'500':
description: Internal server error
/api_keys/{api_key}:
delete:
operationId: DeleteApiKey
summary: Delete API Key
description: ' Endpoint for deleting an existing API key. This endpoint permanently deletes an API key. Once deleted, the key can no longer be used for authentication. This action cannot be undone.'
tags:
- api-keys
security:
- kalshiAccessKey: []
kalshiAccessSignature: []
kalshiAccessTimestamp: []
parameters:
- name: api_key
in: path
required: true
description: API key ID to delete
schema:
type: string
responses:
'204':
description: API key successfully deleted
'400':
description: Bad request - invalid API key ID
'401':
description: Unauthorized
'404':
description: API key not found
'500':
description: Internal server error
components:
schemas:
GenerateApiKeyResponse:
type: object
required:
- api_key_id
- private_key
properties:
api_key_id:
type: string
description: Unique identifier for the newly generated API key
private_key:
type: string
description: RSA private key in PEM format. This must be stored securely and cannot be retrieved again after this response
CreateApiKeyResponse:
type: object
required:
- api_key_id
properties:
api_key_id:
type: string
description: Unique identifier for the newly created API key
ApiKey:
type: object
required:
- api_key_id
- name
- scopes
properties:
api_key_id:
type: string
description: Unique identifier for the API key
name:
type: string
description: User-provided name for the API key
scopes:
type: array
description: List of scopes granted to this API key. Valid values are 'read' and 'write'.
items:
type: string
GetApiKeysResponse:
type: object
required:
- api_keys
properties:
api_keys:
type: array
description: List of all API keys associated with the user
items:
$ref: '#/components/schemas/ApiKey'
GenerateApiKeyRequest:
type: object
required:
- name
properties:
name:
type: string
description: Name for the API key. This helps identify the key's purpose
scopes:
type: array
description: List of scopes to grant to the API key. Valid values are 'read' and 'write'. If 'write' is included, 'read' must also be included. Defaults to full access (['read', 'write']) if not provided.
items:
type: string
CreateApiKeyRequest:
type: object
required:
- name
- public_key
properties:
name:
type: string
description: Name for the API key. This helps identify the key's purpose
public_key:
type: string
description: RSA public key in PEM format. This will be used to verify signatures on API requests
scopes:
type: array
description: List of scopes to grant to the API key. Valid values are 'read' and 'write'. If 'write' is included, 'read' must also be included. Defaults to full access (['read', 'write']) if not provided.
items:
type: string
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