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Consume a passkey assertion and issue an opaque session

POST 

/api/v1/auth/passkeys/authentication/finish

Requires same-origin JSON and consumes the one-use server-side ceremony before verification. Success atomically advances the stored credential state and issues a host-only HttpOnly SameSite=Strict session cookie.

Request​

Responses​

Passkey session issued

Response Headers
    Cache-Control

    Always no-store

    Set-Cookie

    Opaque host-only HttpOnly SameSite=Strict Jiandu session cookie

    X-Request-Id

    Opaque request correlation identifier. ProblemDetails.requestId carries the same value on JSON failures.