curl --request POST \
  --url https://us.api.flexprice.io/v1/webhook-events/subscription.created

{
  "subscription": {
    "active_pause_id": "<string>",
    "auto_invoice_threshold": "<string>",
    "billing_anchor": "2023-11-07T05:31:56Z",
    "billing_period_count": 123,
    "cancel_at": "2023-11-07T05:31:56Z",
    "cancel_at_period_end": true,
    "cancelled_at": "2023-11-07T05:31:56Z",
    "collection_method": "<string>",
    "commitment_amount": "<string>",
    "coupon_associations": [
      {
        "coupon": {
          "amount_off": "<string>",
          "created_at": "2023-11-07T05:31:56Z",
          "created_by": "<string>",
          "currency": "<string>",
          "duration_in_periods": 123,
          "environment_id": "<string>",
          "id": "<string>",
          "max_redemptions": 123,
          "metadata": {},
          "name": "<string>",
          "percentage_off": "<string>",
          "redeem_after": "<string>",
          "redeem_before": "<string>",
          "rules": {},
          "tenant_id": "<string>",
          "total_redemptions": 123,
          "updated_at": "2023-11-07T05:31:56Z",
          "updated_by": "<string>"
        },
        "coupon_id": "<string>",
        "created_at": "2023-11-07T05:31:56Z",
        "created_by": "<string>",
        "end_date": "2023-11-07T05:31:56Z",
        "environment_id": "<string>",
        "id": "<string>",
        "metadata": {},
        "start_date": "2023-11-07T05:31:56Z",
        "subscription_id": "<string>",
        "subscription_line_item_id": "<string>",
        "subscription_phase_id": "<string>",
        "tenant_id": "<string>",
        "updated_at": "2023-11-07T05:31:56Z",
        "updated_by": "<string>"
      }
    ],
    "created_at": "2023-11-07T05:31:56Z",
    "created_by": "<string>",
    "credit_grants": [
      {
        "conversion_rate": "<string>",
        "created_at": "2023-11-07T05:31:56Z",
        "created_by": "<string>",
        "credit_grant_anchor": "2023-11-07T05:31:56Z",
        "credits": "<string>",
        "end_date": "2023-11-07T05:31:56Z",
        "environment_id": "<string>",
        "expiration_duration": 123,
        "id": "<string>",
        "metadata": {},
        "name": "<string>",
        "period_count": 123,
        "plan_id": "<string>",
        "priority": 123,
        "start_date": "2023-11-07T05:31:56Z",
        "subscription_id": "<string>",
        "tenant_id": "<string>",
        "topup_conversion_rate": "<string>",
        "updated_at": "2023-11-07T05:31:56Z",
        "updated_by": "<string>"
      }
    ],
    "currency": "<string>",
    "current_period_end": "2023-11-07T05:31:56Z",
    "current_period_start": "2023-11-07T05:31:56Z",
    "customer": {
      "address_city": "<string>",
      "address_country": "<string>",
      "address_line1": "<string>",
      "address_line2": "<string>",
      "address_postal_code": "<string>",
      "address_state": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "created_by": "<string>",
      "email": "<string>",
      "environment_id": "<string>",
      "external_id": "<string>",
      "id": "<string>",
      "integrations": [
        {
          "created_at": "2023-11-07T05:31:56Z",
          "created_by": "<string>",
          "entity_id": "<string>",
          "environment_id": "<string>",
          "id": "<string>",
          "provider_entity_id": "<string>",
          "provider_type": "<string>",
          "tenant_id": "<string>",
          "updated_at": "2023-11-07T05:31:56Z",
          "updated_by": "<string>"
        }
      ],
      "metadata": {},
      "name": "<string>",
      "tenant_id": "<string>",
      "updated_at": "2023-11-07T05:31:56Z",
      "updated_by": "<string>"
    },
    "customer_id": "<string>",
    "customer_timezone": "<string>",
    "enable_true_up": true,
    "end_date": "2023-11-07T05:31:56Z",
    "environment_id": "<string>",
    "gateway_payment_method_id": "<string>",
    "id": "<string>",
    "invoicing_customer_id": "<string>",
    "latest_invoice": {
      "adjustment_amount": "<string>",
      "amount_due": "<string>",
      "amount_paid": "<string>",
      "amount_remaining": "<string>",
      "billing_period": "<string>",
      "billing_reason": "<string>",
      "billing_sequence": 123,
      "coupon_applications": [
        {
          "applied_at": "2023-11-07T05:31:56Z",
          "coupon_association_id": "<string>",
          "coupon_id": "<string>",
          "coupon_snapshot": {},
          "created_at": "2023-11-07T05:31:56Z",
          "created_by": "<string>",
          "currency": "<string>",
          "discount_percentage": "<string>",
          "discounted_amount": "<string>",
          "environment_id": "<string>",
          "final_price": "<string>",
          "id": "<string>",
          "invoice_id": "<string>",
          "invoice_line_item_id": "<string>",
          "metadata": {},
          "original_price": "<string>",
          "subscription_id": "<string>",
          "tenant_id": "<string>",
          "updated_at": "2023-11-07T05:31:56Z",
          "updated_by": "<string>"
        }
      ],
      "created_at": "2023-11-07T05:31:56Z",
      "created_by": "<string>",
      "currency": "<string>",
      "customer": {
        "address_city": "<string>",
        "address_country": "<string>",
        "address_line1": "<string>",
        "address_line2": "<string>",
        "address_postal_code": "<string>",
        "address_state": "<string>",
        "created_at": "2023-11-07T05:31:56Z",
        "created_by": "<string>",
        "email": "<string>",
        "environment_id": "<string>",
        "external_id": "<string>",
        "id": "<string>",
        "integrations": [
          {
            "created_at": "2023-11-07T05:31:56Z",
            "created_by": "<string>",
            "entity_id": "<string>",
            "environment_id": "<string>",
            "id": "<string>",
            "provider_entity_id": "<string>",
            "provider_type": "<string>",
            "tenant_id": "<string>",
            "updated_at": "2023-11-07T05:31:56Z",
            "updated_by": "<string>"
          }
        ],
        "metadata": {},
        "name": "<string>",
        "tenant_id": "<string>",
        "updated_at": "2023-11-07T05:31:56Z",
        "updated_by": "<string>"
      },
      "customer_id": "<string>",
      "description": "<string>",
      "due_date": "2023-11-07T05:31:56Z",
      "environment_id": "<string>",
      "finalized_at": "2023-11-07T05:31:56Z",
      "id": "<string>",
      "idempotency_key": "<string>",
      "invoice_number": "<string>",
      "invoice_pdf_url": "<string>",
      "last_computed_at": "2023-11-07T05:31:56Z",
      "line_items": [
        {
          "amount": "<string>",
          "commitment_info": {
            "amount": "<string>",
            "computed_commitment_utilized_amount": "<string>",
            "computed_overage_amount": "<string>",
            "computed_true_up_amount": "<string>",
            "is_windowed": true,
            "overage_factor": "<string>",
            "quantity": "<string>",
            "true_up_enabled": true
          },
          "created_at": "2023-11-07T05:31:56Z",
          "created_by": "<string>",
          "currency": "<string>",
          "customer_id": "<string>",
          "display_name": "<string>",
          "entity_id": "<string>",
          "entity_type": "<string>",
          "environment_id": "<string>",
          "id": "<string>",
          "invoice_id": "<string>",
          "invoice_level_discount": "<string>",
          "line_item_discount": "<string>",
          "metadata": {},
          "meter_display_name": "<string>",
          "meter_id": "<string>",
          "period_end": "2023-11-07T05:31:56Z",
          "period_start": "2023-11-07T05:31:56Z",
          "plan_display_name": "<string>",
          "prepaid_credits_applied": "<string>",
          "price_id": "<string>",
          "price_type": "<string>",
          "price_unit": "<string>",
          "price_unit_amount": "<string>",
          "price_unit_id": "<string>",
          "quantity": "<string>",
          "subscription_id": "<string>",
          "tenant_id": "<string>",
          "updated_at": "2023-11-07T05:31:56Z",
          "updated_by": "<string>",
          "usage_analytics": [
            {
              "cost": "<string>",
              "event_count": 123,
              "percentage": "<string>",
              "source": "<string>",
              "usage": "<string>"
            }
          ],
          "usage_breakdown": [
            {
              "cost": "<string>",
              "event_count": 123,
              "grouped_by": {},
              "percentage": "<string>",
              "usage": "<string>"
            }
          ]
        }
      ],
      "metadata": {},
      "overpaid_amount": "<string>",
      "paid_at": "2023-11-07T05:31:56Z",
      "period_end": "2023-11-07T05:31:56Z",
      "period_start": "2023-11-07T05:31:56Z",
      "recalculated_invoice_id": "<string>",
      "refunded_amount": "<string>",
      "subscription": "<unknown>",
      "subscription_customer_id": "<string>",
      "subscription_id": "<string>",
      "subtotal": "<string>",
      "taxes": [
        {
          "applied_at": "2023-11-07T05:31:56Z",
          "created_at": "2023-11-07T05:31:56Z",
          "created_by": "<string>",
          "currency": "<string>",
          "entity_id": "<string>",
          "environment_id": "<string>",
          "id": "<string>",
          "idempotency_key": "<string>",
          "metadata": {},
          "tax_amount": "<string>",
          "tax_association_id": "<string>",
          "tax_rate": {
            "code": "<string>",
            "created_at": "2023-11-07T05:31:56Z",
            "created_by": "<string>",
            "description": "<string>",
            "environment_id": "<string>",
            "fixed_value": "<string>",
            "id": "<string>",
            "metadata": {},
            "name": "<string>",
            "percentage_value": "<string>",
            "tenant_id": "<string>",
            "updated_at": "2023-11-07T05:31:56Z",
            "updated_by": "<string>"
          },
          "tax_rate_id": "<string>",
          "taxable_amount": "<string>",
          "tenant_id": "<string>",
          "updated_at": "2023-11-07T05:31:56Z",
          "updated_by": "<string>"
        }
      ],
      "tenant_id": "<string>",
      "total": "<string>",
      "total_discount": "<string>",
      "total_prepaid_credits_applied": "<string>",
      "total_tax": "<string>",
      "updated_at": "2023-11-07T05:31:56Z",
      "updated_by": "<string>",
      "version": 123,
      "voided_at": "2023-11-07T05:31:56Z"
    },
    "line_items": [
      {
        "addon_association_id": "<string>",
        "billing_period_count": 123,
        "commitment_amount": "<string>",
        "commitment_overage_factor": "<string>",
        "commitment_quantity": "<string>",
        "commitment_true_up_enabled": true,
        "commitment_windowed": true,
        "created_at": "2023-11-07T05:31:56Z",
        "created_by": "<string>",
        "currency": "<string>",
        "customer_id": "<string>",
        "display_name": "<string>",
        "end_date": "2023-11-07T05:31:56Z",
        "entity_id": "<string>",
        "environment_id": "<string>",
        "id": "<string>",
        "metadata": {},
        "meter_display_name": "<string>",
        "meter_id": "<string>",
        "plan_display_name": "<string>",
        "price": {
          "amount": "<string>",
          "billing_period_count": 123,
          "conversion_rate": "<string>",
          "created_at": "2023-11-07T05:31:56Z",
          "created_by": "<string>",
          "currency": "<string>",
          "description": "<string>",
          "display_amount": "<string>",
          "display_name": "<string>",
          "display_price_unit_amount": "<string>",
          "end_date": "2023-11-07T05:31:56Z",
          "entity_id": "<string>",
          "environment_id": "<string>",
          "group_id": "<string>",
          "id": "<string>",
          "lookup_key": "<string>",
          "metadata": {},
          "meter_id": "<string>",
          "min_quantity": "<string>",
          "parent_price_id": "<string>",
          "price_unit": "<string>",
          "price_unit_amount": "<string>",
          "price_unit_id": "<string>",
          "price_unit_tiers": [
            {
              "flat_amount": "<string>",
              "unit_amount": "<string>",
              "up_to": 123
            }
          ],
          "start_date": "2023-11-07T05:31:56Z",
          "tenant_id": "<string>",
          "tiers": [
            {
              "flat_amount": "<string>",
              "unit_amount": "<string>",
              "up_to": 123
            }
          ],
          "transform_quantity": {
            "divide_by": 123
          },
          "trial_period_days": 123,
          "updated_at": "2023-11-07T05:31:56Z",
          "updated_by": "<string>"
        },
        "price_id": "<string>",
        "price_unit": "<string>",
        "price_unit_id": "<string>",
        "quantity": "<string>",
        "start_date": "2023-11-07T05:31:56Z",
        "subscription_id": "<string>",
        "subscription_phase_id": "<string>",
        "tenant_id": "<string>",
        "updated_at": "2023-11-07T05:31:56Z",
        "updated_by": "<string>"
      }
    ],
    "lookup_key": "<string>",
    "metadata": {},
    "overage_factor": "<string>",
    "parent_subscription_id": "<string>",
    "pauses": [
      {
        "created_at": "2023-11-07T05:31:56Z",
        "created_by": "<string>",
        "environment_id": "<string>",
        "id": "<string>",
        "metadata": {},
        "original_period_end": "2023-11-07T05:31:56Z",
        "original_period_start": "2023-11-07T05:31:56Z",
        "pause_end": "2023-11-07T05:31:56Z",
        "pause_start": "2023-11-07T05:31:56Z",
        "reason": "<string>",
        "resumed_at": "2023-11-07T05:31:56Z",
        "subscription_id": "<string>",
        "tenant_id": "<string>",
        "updated_at": "2023-11-07T05:31:56Z",
        "updated_by": "<string>"
      }
    ],
    "payment_behavior": "<string>",
    "phases": [
      {
        "created_at": "2023-11-07T05:31:56Z",
        "created_by": "<string>",
        "end_date": "2023-11-07T05:31:56Z",
        "environment_id": "<string>",
        "id": "<string>",
        "metadata": {},
        "start_date": "2023-11-07T05:31:56Z",
        "subscription_id": "<string>",
        "tenant_id": "<string>",
        "updated_at": "2023-11-07T05:31:56Z",
        "updated_by": "<string>"
      }
    ],
    "plan": {
      "created_at": "2023-11-07T05:31:56Z",
      "created_by": "<string>",
      "credit_grants": [
        {
          "conversion_rate": "<string>",
          "created_at": "2023-11-07T05:31:56Z",
          "created_by": "<string>",
          "credit_grant_anchor": "2023-11-07T05:31:56Z",
          "credits": "<string>",
          "end_date": "2023-11-07T05:31:56Z",
          "environment_id": "<string>",
          "expiration_duration": 123,
          "id": "<string>",
          "metadata": {},
          "name": "<string>",
          "period_count": 123,
          "plan_id": "<string>",
          "priority": 123,
          "start_date": "2023-11-07T05:31:56Z",
          "subscription_id": "<string>",
          "tenant_id": "<string>",
          "topup_conversion_rate": "<string>",
          "updated_at": "2023-11-07T05:31:56Z",
          "updated_by": "<string>"
        }
      ],
      "description": "<string>",
      "display_order": 123,
      "entitlements": [
        {
          "addon": {
            "created_at": "2023-11-07T05:31:56Z",
            "created_by": "<string>",
            "description": "<string>",
            "entitlements": "<array>",
            "environment_id": "<string>",
            "id": "<string>",
            "lookup_key": "<string>",
            "metadata": {},
            "name": "<string>",
            "prices": [
              {
                "addon": "<unknown>",
                "amount": "<string>",
                "billing_period_count": 123,
                "conversion_rate": "<string>",
                "created_at": "2023-11-07T05:31:56Z",
                "created_by": "<string>",
                "currency": "<string>",
                "description": "<string>",
                "display_amount": "<string>",
                "display_name": "<string>",
                "display_price_unit_amount": "<string>",
                "end_date": "2023-11-07T05:31:56Z",
                "entity_id": "<string>",
                "environment_id": "<string>",
                "group": {
                  "created_at": "2023-11-07T05:31:56Z",
                  "entity_ids": [
                    "<string>"
                  ],
                  "entity_type": "<string>",
                  "id": "<string>",
                  "lookup_key": "<string>",
                  "metadata": {},
                  "name": "<string>",
                  "status": "<string>",
                  "updated_at": "2023-11-07T05:31:56Z"
                },
                "group_id": "<string>",
                "id": "<string>",
                "lookup_key": "<string>",
                "metadata": {},
                "meter": {
                  "aggregation": {
                    "expression": "<string>",
                    "field": "<string>",
                    "group_by": "<string>",
                    "multiplier": "<string>"
                  },
                  "created_at": "2024-03-20T15:04:05Z",
                  "event_name": "api_request",
                  "filters": [
                    {
                      "key": "<string>",
                      "values": [
                        "<string>"
                      ]
                    }
                  ],
                  "id": "550e8400-e29b-41d4-a716-446655440000",
                  "name": "API Usage Meter",
                  "status": "published",
                  "tenant_id": "tenant123",
                  "updated_at": "2024-03-20T15:04:05Z"
                },
                "meter_id": "<string>",
                "min_quantity": "<string>",
                "parent_price_id": "<string>",
                "plan": "<unknown>",
                "price_unit": "<string>",
                "price_unit_amount": "<string>",
                "price_unit_id": "<string>",
                "price_unit_tiers": [
                  {
                    "flat_amount": "<string>",
                    "unit_amount": "<string>",
                    "up_to": 123
                  }
                ],
                "pricing_unit": {
                  "base_currency": "<string>",
                  "code": "<string>",
                  "conversion_rate": "<string>",
                  "created_at": "2023-11-07T05:31:56Z",
                  "created_by": "<string>",
                  "environment_id": "<string>",
                  "id": "<string>",
                  "metadata": {},
                  "name": "<string>",
                  "symbol": "<string>",
                  "tenant_id": "<string>",
                  "updated_at": "2023-11-07T05:31:56Z",
                  "updated_by": "<string>"
                },
                "start_date": "2023-11-07T05:31:56Z",
                "tenant_id": "<string>",
                "tiers": [
                  {
                    "flat_amount": "<string>",
                    "unit_amount": "<string>",
                    "up_to": 123
                  }
                ],
                "transform_quantity": {
                  "divide_by": 123
                },
                "trial_period_days": 123,
                "updated_at": "2023-11-07T05:31:56Z",
                "updated_by": "<string>"
              }
            ],
            "tenant_id": "<string>",
            "updated_at": "2023-11-07T05:31:56Z",
            "updated_by": "<string>"
          },
          "created_at": "2023-11-07T05:31:56Z",
          "created_by": "<string>",
          "display_order": 123,
          "end_date": "2023-11-07T05:31:56Z",
          "entity_id": "<string>",
          "environment_id": "<string>",
          "feature": {
            "alert_settings": {
              "alert_enabled": true,
              "critical": {
                "threshold": 123
              },
              "info": {
                "threshold": 123
              },
              "warning": {
                "threshold": 123
              }
            },
            "created_at": "2023-11-07T05:31:56Z",
            "created_by": "<string>",
            "description": "<string>",
            "environment_id": "<string>",
            "group": {
              "created_at": "2023-11-07T05:31:56Z",
              "entity_ids": [
                "<string>"
              ],
              "entity_type": "<string>",
              "id": "<string>",
              "lookup_key": "<string>",
              "metadata": {},
              "name": "<string>",
              "status": "<string>",
              "updated_at": "2023-11-07T05:31:56Z"
            },
            "group_id": "<string>",
            "id": "<string>",
            "lookup_key": "<string>",
            "metadata": {},
            "meter": {
              "aggregation": {
                "expression": "<string>",
                "field": "<string>",
                "group_by": "<string>",
                "multiplier": "<string>"
              },
              "created_at": "2024-03-20T15:04:05Z",
              "event_name": "api_request",
              "filters": [
                {
                  "key": "<string>",
                  "values": [
                    "<string>"
                  ]
                }
              ],
              "id": "550e8400-e29b-41d4-a716-446655440000",
              "name": "API Usage Meter",
              "status": "published",
              "tenant_id": "tenant123",
              "updated_at": "2024-03-20T15:04:05Z"
            },
            "meter_id": "<string>",
            "name": "<string>",
            "reporting_unit": {
              "conversion_rate": 123,
              "unit_plural": "<string>",
              "unit_singular": "<string>"
            },
            "tenant_id": "<string>",
            "unit_plural": "<string>",
            "unit_singular": "<string>",
            "updated_at": "2023-11-07T05:31:56Z",
            "updated_by": "<string>"
          },
          "feature_id": "<string>",
          "id": "<string>",
          "is_enabled": true,
          "is_soft_limit": true,
          "parent_entitlement_id": "<string>",
          "plan": "<unknown>",
          "plan_id": "<string>",
          "start_date": "2023-11-07T05:31:56Z",
          "static_value": "<string>",
          "tenant_id": "<string>",
          "updated_at": "2023-11-07T05:31:56Z",
          "updated_by": "<string>",
          "usage_limit": 123
        }
      ],
      "environment_id": "<string>",
      "id": "<string>",
      "lookup_key": "<string>",
      "metadata": {},
      "name": "<string>",
      "prices": [
        {
          "addon": "<unknown>",
          "amount": "<string>",
          "billing_period_count": 123,
          "conversion_rate": "<string>",
          "created_at": "2023-11-07T05:31:56Z",
          "created_by": "<string>",
          "currency": "<string>",
          "description": "<string>",
          "display_amount": "<string>",
          "display_name": "<string>",
          "display_price_unit_amount": "<string>",
          "end_date": "2023-11-07T05:31:56Z",
          "entity_id": "<string>",
          "environment_id": "<string>",
          "group": {
            "created_at": "2023-11-07T05:31:56Z",
            "entity_ids": [
              "<string>"
            ],
            "entity_type": "<string>",
            "id": "<string>",
            "lookup_key": "<string>",
            "metadata": {},
            "name": "<string>",
            "status": "<string>",
            "updated_at": "2023-11-07T05:31:56Z"
          },
          "group_id": "<string>",
          "id": "<string>",
          "lookup_key": "<string>",
          "metadata": {},
          "meter": {
            "aggregation": {
              "expression": "<string>",
              "field": "<string>",
              "group_by": "<string>",
              "multiplier": "<string>"
            },
            "created_at": "2024-03-20T15:04:05Z",
            "event_name": "api_request",
            "filters": [
              {
                "key": "<string>",
                "values": [
                  "<string>"
                ]
              }
            ],
            "id": "550e8400-e29b-41d4-a716-446655440000",
            "name": "API Usage Meter",
            "status": "published",
            "tenant_id": "tenant123",
            "updated_at": "2024-03-20T15:04:05Z"
          },
          "meter_id": "<string>",
          "min_quantity": "<string>",
          "parent_price_id": "<string>",
          "plan": "<unknown>",
          "price_unit": "<string>",
          "price_unit_amount": "<string>",
          "price_unit_id": "<string>",
          "price_unit_tiers": [
            {
              "flat_amount": "<string>",
              "unit_amount": "<string>",
              "up_to": 123
            }
          ],
          "pricing_unit": {
            "base_currency": "<string>",
            "code": "<string>",
            "conversion_rate": "<string>",
            "created_at": "2023-11-07T05:31:56Z",
            "created_by": "<string>",
            "environment_id": "<string>",
            "id": "<string>",
            "metadata": {},
            "name": "<string>",
            "symbol": "<string>",
            "tenant_id": "<string>",
            "updated_at": "2023-11-07T05:31:56Z",
            "updated_by": "<string>"
          },
          "start_date": "2023-11-07T05:31:56Z",
          "tenant_id": "<string>",
          "tiers": [
            {
              "flat_amount": "<string>",
              "unit_amount": "<string>",
              "up_to": 123
            }
          ],
          "transform_quantity": {
            "divide_by": 123
          },
          "trial_period_days": 123,
          "updated_at": "2023-11-07T05:31:56Z",
          "updated_by": "<string>"
        }
      ],
      "tenant_id": "<string>",
      "updated_at": "2023-11-07T05:31:56Z",
      "updated_by": "<string>"
    },
    "plan_id": "<string>",
    "start_date": "2023-11-07T05:31:56Z",
    "tenant_id": "<string>",
    "trial_end": "2023-11-07T05:31:56Z",
    "trial_start": "2023-11-07T05:31:56Z",
    "updated_at": "2023-11-07T05:31:56Z",
    "updated_by": "<string>",
    "version": 123
  }
}