Google Sign-In

Authenticate a user via Google Sign-In by providing a Google access token.

Parameter	Type	Required	Description
`access_token`	string	Yes	Valid Google OAuth2 access token.
`email`	string	Yes	User’s email address associated with the token.
`name`	string	Yes	User’s full name.
`external_id`	string	Yes	User’s unique Google ID.

Parameter	Type	Description
`access_token`	string	Short-lived JWT access token for API access.
`refresh_token`	string	Long-lived JWT refresh token.
`expires_at`	integer	Timestamp (ms) when the access token expires.

{
  "access_token": "ya29.a0...",
  "email": "jane@example.com",
  "name": "Jane Doe",
  "external_id": "1234567890"
}

​POST /auth/google/signin