Polar Checkout not working

export default defineEventHandler(async (event) => {
  const slug = getRouterParam(event, 'slug')!

  console.log(slug)

  try {
    const data = await auth.api.polarCheckout({
      query: {
        productId: 'aee96d58-7509-4fd6-a429-f74e5461c145'
      },
      params: { slug },
      headers: event.headers
    })

    console.log(data)

    return data
  } catch (error) {
    console.log('error', error)

    throw createError({
      statusCode: 500,
      statusText: 'Internal Server Error'
    })
  }
})