Setting on spring boot: private ResponseCookie makeResponseCookie(String refreshToken,Long refreshTokenValidationTime){ return ResponseCookie.from(“refreshToken”,refreshToken) .httpOnly(false)// for access on javascript .secure(true)// only on https .path(“/”) .maxAge(refreshTokenValidationTime) .sameSite(“None”) // for access on different domain .build(); } On React code : const reissueToken = async () => { const url = apiAddress + “/api/v1/auth/reissue”; const refreshToken = Cookie.get(“refreshToken”); console.log(“Refresh Token:”, refreshToken); […]