Get a checkout session by ID

Example response

{
  "session": {
    "customer_id": "cus_7n42DGM5Tflk9n8mt7Fhc7",
    "id": "che_7n42DGM5Tflk9n8mt7Fhc7",
    "payment_methods_config": {
      "account_id": "ba_7n42DGM5Tflk9n8mt7Fhc7"
    },
    "plan_version_id": "plv_7n42DGM5Tflk9n8mt7Fhc7",
    "subscription_id": "sub_7n42DGM5Tflk9n8mt7Fhc7"
  }
}