Kalshi · Authentication Profile

Kalshi Authentication

Authentication

Kalshi secures its APIs with apiKey across 3 declared security schemes, as derived from its OpenAPI definitions.

Prediction MarketsEvent ContractsExchangeCFTCTradingMarkets
Methods: apiKey Schemes: 3 OAuth flows: API key in: header

Security Schemes

kalshiAccessKey apiKey
· in: header (KALSHI-ACCESS-KEY)
kalshiAccessSignature apiKey
· in: header (KALSHI-ACCESS-SIGNATURE)
kalshiAccessTimestamp apiKey
· in: header (KALSHI-ACCESS-TIMESTAMP)

Source

Authentication Profile

Raw ↑ 
generated: '2026-07-11'
method: derived
source: openapi/kalshi-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
schemes:
- name: kalshiAccessKey
  type: apiKey
  in: header
  parameter: KALSHI-ACCESS-KEY
  description: Your API key ID
  sources:
  - openapi/kalshi-openapi.yml
- name: kalshiAccessSignature
  type: apiKey
  in: header
  parameter: KALSHI-ACCESS-SIGNATURE
  description: RSA-PSS signature of the request
  sources:
  - openapi/kalshi-openapi.yml
- name: kalshiAccessTimestamp
  type: apiKey
  in: header
  parameter: KALSHI-ACCESS-TIMESTAMP
  description: Request timestamp in milliseconds
  sources:
  - openapi/kalshi-openapi.yml