generated: '2026-07-11'
method: derived
source: openapi/turnkey-openapi.yml
summary:
  types:
  - apiKey
  api_key_in:
  - header
schemes:
- name: apiStamp
  type: apiKey
  in: header
  parameter: X-Stamp
  description: Base64URL-encoded JSON stamp `{publicKey, signature, scheme}` where `signature`
    is a DER-encoded, hex-encoded signature over the exact JSON POST body produced by the registered
    API key. `scheme` is one of SIGNATURE_SCHEME_TK_API_P256, SIGNATURE_SCHEME_TK_API_SECP256K1,
    SIGNATURE_SCHEME_TK_API_ED25519, or SIGNATURE_SCHEME_TK_API_SECP256K1_EIP191. Passkey-stamped
    requests use the alternate `X-Stamp-
  sources:
  - openapi/turnkey-openapi.yml
- name: webauthnStamp
  type: apiKey
  in: header
  parameter: X-Stamp-Webauthn
  description: Plain-JSON WebAuthn assertion stamp for passkey-authenticated requests.
  sources:
  - openapi/turnkey-openapi.yml