Postman collection

const expiry = pm.environment.get("tokenExpiry");
if (!expiry || Date.now() > parseInt(expiry) - 60000) {
  pm.sendRequest({
    url: pm.environment.get("baseUrl") + "/auth/refresh",
    method: "POST",
    header: { "Content-Type": "application/json" },
    body: { mode: "raw", raw: JSON.stringify({ refreshToken: pm.environment.get("refreshToken") }) }
  }, (err, res) => {
    if (!err && res.code === 200) {
      const { accessToken, expiresIn } = res.json().data;
      pm.environment.set("accessToken", accessToken);
      pm.environment.set("tokenExpiry", String(Date.now() + expiresIn * 1000));
    }
  });
}