curl --request POST \
  --url https://{cluster}.voucherify.io/v1/validations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-App-Id: <api-key>' \
  --header 'X-App-Token: <api-key>' \
  --data '{
  "redeemables": [
    {
      "object": "voucher",
      "id": "BLCKFRDY"
    }
  ],
  "order": {
    "amount": 5500
  }
}'

{
  "id": "valid_101740aa2869354c6d",
  "valid": false,
  "redeemables": [
    {
      "status": "INAPPLICABLE",
      "id": "eee33463",
      "object": "voucher",
      "result": {
        "error": {
          "code": 404,
          "key": "not_found",
          "message": "Resource not found",
          "details": "Cannot find voucher with id eee33463",
          "request_id": "v-0c6c6e20dc42940f0b",
          "resource_id": "eee33463",
          "resource_type": "voucher"
        }
      }
    },
    {
      "status": "SKIPPED",
      "id": "promo_Mwy9XpA0TLctSGriM5kum0qp",
      "object": "promotion_tier",
      "result": {}
    }
  ],
  "tracking_id": "track_VAVW6qltuo1/z+G2GI2LPw==",
  "stacking_rules": {
    "redeemables_limit": 30,
    "applicable_redeemables_limit": 30,
    "applicable_exclusive_redeemables_limit": 5,
    "applicable_redeemables_per_category_limit": 30,
    "applicable_redeemables_category_limits": {},
    "exclusive_categories": [
      "cat_0e1d0ba106c17fa350"
    ],
    "joint_categories": [
      "cat_0e1d0ba99c2fff2b51"
    ],
    "redeemables_application_mode": "PARTIAL",
    "redeemables_sorting_rule": "REQUESTED_ORDER",
    "redeemables_no_effect_rule": "REDEEM_ANYWAY",
    "no_effect_skip_categories": [
      "cat_0e156dab8f2e43873a"
    ],
    "no_effect_redeem_anyway_categories": [
      "cat_0e1d0ba106c17fa350"
    ],
    "redeemables_products_application_mode": "STACK",
    "redeemables_rollback_order_mode": "WITHOUT_ORDER",
    "grouped_redeemables_sorting_rule": "JOINT_ALWAYS_LAST"
  }
}